/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-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-dev-11640d2-m [2023-12-06 21:15:49,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-06 21:15:49,451 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-06 21:15:49,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-06 21:15:49,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-06 21:15:49,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-06 21:15:49,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-06 21:15:49,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-06 21:15:49,495 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-06 21:15:49,495 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-06 21:15:49,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-06 21:15:49,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-06 21:15:49,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-06 21:15:49,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-06 21:15:49,497 INFO L153 SettingsManager]: * Use SBE=true [2023-12-06 21:15:49,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-06 21:15:49,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-06 21:15:49,498 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-06 21:15:49,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-06 21:15:49,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-06 21:15:49,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-06 21:15:49,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-06 21:15:49,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-06 21:15:49,507 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-06 21:15:49,507 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-06 21:15:49,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-06 21:15:49,507 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-06 21:15:49,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-06 21:15:49,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-06 21:15:49,508 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-06 21:15:49,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-06 21:15:49,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-06 21:15:49,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-06 21:15:49,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-06 21:15:49,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-06 21:15:49,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-06 21:15:49,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-06 21:15:49,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-06 21:15:49,515 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-06 21:15:49,515 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-06 21:15:49,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-06 21:15:49,536 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-06 21:15:49,537 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-06 21:15:49,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-06 21:15:49,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-06 21:15:49,537 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-06 21:15:49,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-06 21:15:49,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-06 21:15:49,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-06 21:15:49,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-06 21:15:49,831 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-06 21:15:49,848 INFO L274 PluginConnector]: CDTParser initialized [2023-12-06 21:15:49,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-12-06 21:15:52,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-06 21:15:52,875 INFO L384 CDTParser]: Found 1 translation units. [2023-12-06 21:15:52,876 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2023-12-06 21:15:52,926 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c69104211/1fc4ab4addb749f5aa23c60479e9dd94/FLAG231dd1f74 [2023-12-06 21:15:52,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c69104211/1fc4ab4addb749f5aa23c60479e9dd94 [2023-12-06 21:15:52,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-06 21:15:52,944 INFO L133 ToolchainWalker]: Walking toolchain with 3 elements. [2023-12-06 21:15:52,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-06 21:15:52,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-06 21:15:52,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-06 21:15:52,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:15:52" (1/1) ... [2023-12-06 21:15:52,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a6169f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:15:52, skipping insertion in model container [2023-12-06 21:15:52,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:15:52" (1/1) ... [2023-12-06 21:15:53,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-06 21:15:53,605 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2023-12-06 21:15:57,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-06 21:15:57,218 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-06 21:15:57,387 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-06 21:15:57,407 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2023-12-06 21:15:57,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-06 21:15:57,947 INFO L202 MainTranslator]: Completed pre-run [2023-12-06 21:15:57,962 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2023-12-06 21:15:58,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-12-06 21:15:58,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-12-06 21:15:58,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-12-06 21:15:58,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-12-06 21:15:58,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-12-06 21:15:58,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-06 21:15:59,000 ERROR L324 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2023-12-06 21:15:59,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65f3d0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:15:59, skipping insertion in model container [2023-12-06 21:15:59,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-06 21:15:59,001 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-06 21:15:59,003 INFO L158 Benchmark]: Toolchain (without parser) took 6058.05ms. Allocated memory was 60.9MB in the beginning and 77.9MB in the end (delta: 17.1MB). Free memory was 27.6MB in the beginning and 13.2MB in the end (delta: 14.3MB). Peak memory consumption was 43.2MB. Max. memory is 3.9GB. [2023-12-06 21:15:59,003 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.9MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 3.9GB. [2023-12-06 21:15:59,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6055.83ms. Allocated memory was 60.9MB in the beginning and 77.9MB in the end (delta: 17.1MB). Free memory was 27.4MB in the beginning and 13.2MB in the end (delta: 14.2MB). Peak memory consumption was 43.0MB. Max. memory is 3.9GB. [2023-12-06 21:15:59,005 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 33.7MB. There was no memory consumed. Max. memory is 3.9GB. * CACSL2BoogieTranslator took 6055.83ms. Allocated memory was 60.9MB in the beginning and 77.9MB in the end (delta: 17.1MB). Free memory was 27.4MB in the beginning and 13.2MB in the end (delta: 14.2MB). Peak memory consumption was 43.0MB. Max. memory is 3.9GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...