/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-ext/26_stack_cas-race.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-dev-db9108f-m [2023-12-07 12:59:47,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-07 12:59:47,383 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-07 12:59:47,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-07 12:59:47,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-07 12:59:47,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-07 12:59:47,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-07 12:59:47,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-07 12:59:47,425 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-07 12:59:47,427 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-07 12:59:47,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-07 12:59:47,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-07 12:59:47,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-07 12:59:47,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-07 12:59:47,429 INFO L153 SettingsManager]: * Use SBE=true [2023-12-07 12:59:47,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-07 12:59:47,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-07 12:59:47,430 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-07 12:59:47,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-07 12:59:47,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-07 12:59:47,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-07 12:59:47,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-07 12:59:47,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-07 12:59:47,431 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-07 12:59:47,431 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-07 12:59:47,436 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-07 12:59:47,436 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-07 12:59:47,437 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-07 12:59:47,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-07 12:59:47,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-07 12:59:47,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-07 12:59:47,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-07 12:59:47,439 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-07 12:59:47,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-07 12:59:47,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-07 12:59:47,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-07 12:59:47,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-07 12:59:47,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-07 12:59:47,439 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-07 12:59:47,439 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-07 12:59:47,439 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-07 12:59:47,440 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-07 12:59:47,440 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-07 12:59:47,441 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-07 12:59:47,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-07 12:59:47,441 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-07 12:59:47,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-07 12:59:47,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-07 12:59:47,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-07 12:59:47,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-07 12:59:47,797 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-07 12:59:47,797 INFO L274 PluginConnector]: CDTParser initialized [2023-12-07 12:59:47,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/26_stack_cas-race.i [2023-12-07 12:59:49,386 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-07 12:59:49,677 INFO L384 CDTParser]: Found 1 translation units. [2023-12-07 12:59:49,677 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas-race.i [2023-12-07 12:59:49,687 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e89462bba/c026b3fe7b634ffcb5ddfb01b84fe335/FLAGd80d2427d [2023-12-07 12:59:49,699 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e89462bba/c026b3fe7b634ffcb5ddfb01b84fe335 [2023-12-07 12:59:49,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-07 12:59:49,701 INFO L133 ToolchainWalker]: Walking toolchain with 3 elements. [2023-12-07 12:59:49,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-07 12:59:49,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-07 12:59:49,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-07 12:59:49,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:49" (1/1) ... [2023-12-07 12:59:49,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c9a5e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:49, skipping insertion in model container [2023-12-07 12:59:49,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:59:49" (1/1) ... [2023-12-07 12:59:49,755 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-07 12:59:50,177 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-ext/26_stack_cas-race.i[31152,31165] [2023-12-07 12:59:50,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 12:59:50,199 INFO L202 MainTranslator]: Completed pre-run [2023-12-07 12:59:50,271 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-ext/26_stack_cas-race.i[31152,31165] [2023-12-07 12:59:50,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 12:59:50,316 INFO L206 MainTranslator]: Completed translation [2023-12-07 12:59:50,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:50 WrapperNode [2023-12-07 12:59:50,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-07 12:59:50,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-07 12:59:50,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-07 12:59:50,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-07 12:59:50,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:50" (1/1) ... [2023-12-07 12:59:50,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:50" (1/1) ... [2023-12-07 12:59:50,405 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 185 [2023-12-07 12:59:50,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-07 12:59:50,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-07 12:59:50,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-07 12:59:50,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-07 12:59:50,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:50" (1/1) ... [2023-12-07 12:59:50,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:50" (1/1) ... [2023-12-07 12:59:50,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:50" (1/1) ... [2023-12-07 12:59:50,430 INFO L175 MemorySlicer]: Split 25 memory accesses to 5 slices as follows [2, 6, 1, 4, 12]. 48 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 1, 0, 1, 2]. The 10 writes are split as follows [0, 2, 1, 2, 5]. [2023-12-07 12:59:50,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:50" (1/1) ... [2023-12-07 12:59:50,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:50" (1/1) ... [2023-12-07 12:59:50,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:50" (1/1) ... [2023-12-07 12:59:50,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:50" (1/1) ... [2023-12-07 12:59:50,451 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:50" (1/1) ... [2023-12-07 12:59:50,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:59:50" (1/1) ... [2023-12-07 12:59:50,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-07 12:59:50,457 INFO L158 Benchmark]: Toolchain (without parser) took 755.55ms. Allocated memory is still 60.9MB. Free memory was 30.7MB in the beginning and 30.3MB in the end (delta: 350.4kB). Peak memory consumption was 350.4kB. Max. memory is 3.9GB. [2023-12-07 12:59:50,458 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.9MB. Free memory was 32.8MB in the beginning and 32.7MB in the end (delta: 39.0kB). Peak memory consumption was 39.0kB. Max. memory is 3.9GB. [2023-12-07 12:59:50,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 614.61ms. Allocated memory is still 60.9MB. Free memory was 30.4MB in the beginning and 22.1MB in the end (delta: 8.3MB). Peak memory consumption was 9.4MB. Max. memory is 3.9GB. [2023-12-07 12:59:50,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.84ms. Allocated memory is still 60.9MB. Free memory was 21.9MB in the beginning and 34.4MB in the end (delta: -12.5MB). Peak memory consumption was 2.5MB. Max. memory is 3.9GB. [2023-12-07 12:59:50,459 INFO L158 Benchmark]: Boogie Preprocessor took 49.92ms. Allocated memory is still 60.9MB. Free memory was 34.4MB in the beginning and 30.6MB in the end (delta: 3.8MB). Peak memory consumption was 3.8MB. Max. memory is 3.9GB. [2023-12-07 12:59:50,461 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 0.21ms. Allocated memory is still 60.9MB. Free memory was 32.8MB in the beginning and 32.7MB in the end (delta: 39.0kB). Peak memory consumption was 39.0kB. Max. memory is 3.9GB. * CACSL2BoogieTranslator took 614.61ms. Allocated memory is still 60.9MB. Free memory was 30.4MB in the beginning and 22.1MB in the end (delta: 8.3MB). Peak memory consumption was 9.4MB. Max. memory is 3.9GB. * Boogie Procedure Inliner took 87.84ms. Allocated memory is still 60.9MB. Free memory was 21.9MB in the beginning and 34.4MB in the end (delta: -12.5MB). Peak memory consumption was 2.5MB. Max. memory is 3.9GB. * Boogie Preprocessor took 49.92ms. Allocated memory is still 60.9MB. Free memory was 34.4MB in the beginning and 30.6MB in the end (delta: 3.8MB). Peak memory consumption was 3.8MB. Max. memory is 3.9GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...