/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/seq-mthreaded/rekh_nxt.1.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-dev-db9108f-m [2023-12-07 12:53:31,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-07 12:53:31,673 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 12:53:31,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-07 12:53:31,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-07 12:53:31,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-07 12:53:31,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-07 12:53:31,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-07 12:53:31,748 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-07 12:53:31,749 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-07 12:53:31,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-07 12:53:31,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-07 12:53:31,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-07 12:53:31,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-07 12:53:31,751 INFO L153 SettingsManager]: * Use SBE=true [2023-12-07 12:53:31,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-07 12:53:31,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-07 12:53:31,752 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-07 12:53:31,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-07 12:53:31,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-07 12:53:31,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-07 12:53:31,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-07 12:53:31,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-07 12:53:31,758 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-07 12:53:31,758 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-07 12:53:31,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-07 12:53:31,759 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-07 12:53:31,760 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-07 12:53:31,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-07 12:53:31,760 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-07 12:53:31,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-07 12:53:31,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-07 12:53:31,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-07 12:53:31,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-07 12:53:31,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-07 12:53:31,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-07 12:53:31,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-07 12:53:31,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-07 12:53:31,764 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-07 12:53:31,764 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-07 12:53:31,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-07 12:53:31,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-07 12:53:31,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-07 12:53:31,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-07 12:53:31,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-07 12:53:31,771 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-07 12:53:31,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-07 12:53:32,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-07 12:53:32,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-07 12:53:32,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-07 12:53:32,098 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-07 12:53:32,107 INFO L274 PluginConnector]: CDTParser initialized [2023-12-07 12:53:32,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-1.c [2023-12-07 12:53:34,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-07 12:53:35,456 INFO L384 CDTParser]: Found 1 translation units. [2023-12-07 12:53:35,457 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-1.c [2023-12-07 12:53:35,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccc3b75bc/6c1df747f542456cad5730224289bef7/FLAG61eb9b551 [2023-12-07 12:53:35,509 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccc3b75bc/6c1df747f542456cad5730224289bef7 [2023-12-07 12:53:35,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-07 12:53:35,536 INFO L133 ToolchainWalker]: Walking toolchain with 3 elements. [2023-12-07 12:53:35,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-07 12:53:35,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-07 12:53:35,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-07 12:53:35,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:53:35" (1/1) ... [2023-12-07 12:53:35,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463b651e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:35, skipping insertion in model container [2023-12-07 12:53:35,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:53:35" (1/1) ... [2023-12-07 12:53:35,662 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-07 12:53:35,916 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-1.c[1510,1523] [2023-12-07 12:53:36,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 12:53:36,761 INFO L202 MainTranslator]: Completed pre-run [2023-12-07 12:53:36,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [38] [2023-12-07 12:53:36,790 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-1.c[1510,1523] [2023-12-07 12:53:37,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 12:53:37,437 INFO L206 MainTranslator]: Completed translation [2023-12-07 12:53:37,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:37 WrapperNode [2023-12-07 12:53:37,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-07 12:53:37,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-07 12:53:37,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-07 12:53:37,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-07 12:53:37,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:37" (1/1) ... [2023-12-07 12:53:37,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:37" (1/1) ... [2023-12-07 12:53:38,159 INFO L138 Inliner]: procedures = 58, calls = 2033, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 4648 [2023-12-07 12:53:38,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-07 12:53:38,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-07 12:53:38,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-07 12:53:38,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-07 12:53:38,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:37" (1/1) ... [2023-12-07 12:53:38,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:37" (1/1) ... [2023-12-07 12:53:38,286 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:37" (1/1) ... [2023-12-07 12:53:38,616 INFO L175 MemorySlicer]: Split 1380 memory accesses to 15 slices as follows [2, 2, 251, 259, 87, 87, 8, 155, 177, 154, 177, 7, 4, 8, 2]. 19 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0]. The 237 writes are split as follows [0, 1, 28, 28, 28, 28, 4, 29, 27, 29, 27, 3, 0, 4, 1]. [2023-12-07 12:53:38,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:37" (1/1) ... [2023-12-07 12:53:38,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:37" (1/1) ... [2023-12-07 12:53:38,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:37" (1/1) ... [2023-12-07 12:53:38,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:37" (1/1) ... [2023-12-07 12:53:38,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:37" (1/1) ... [2023-12-07 12:53:38,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:37" (1/1) ... [2023-12-07 12:53:39,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-07 12:53:39,057 INFO L158 Benchmark]: Toolchain (without parser) took 3535.55ms. Allocated memory was 60.9MB in the beginning and 91.2MB in the end (delta: 30.3MB). Free memory was 32.7MB in the beginning and 34.5MB in the end (delta: -1.8MB). Peak memory consumption was 42.7MB. Max. memory is 3.9GB. [2023-12-07 12:53:39,063 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 60.9MB. Free memory was 27.0MB in the beginning and 27.0MB in the end (delta: 42.7kB). Peak memory consumption was 42.7kB. Max. memory is 3.9GB. [2023-12-07 12:53:39,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1907.97ms. Allocated memory is still 60.9MB. Free memory was 32.1MB in the beginning and 21.1MB in the end (delta: 11.0MB). Peak memory consumption was 19.6MB. Max. memory is 3.9GB. [2023-12-07 12:53:39,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 713.32ms. Allocated memory is still 60.9MB. Free memory was 21.1MB in the beginning and 8.6MB in the end (delta: 12.5MB). Peak memory consumption was 17.1MB. Max. memory is 3.9GB. [2023-12-07 12:53:39,068 INFO L158 Benchmark]: Boogie Preprocessor took 885.91ms. Allocated memory was 60.9MB in the beginning and 91.2MB in the end (delta: 30.3MB). Free memory was 8.6MB in the beginning and 34.5MB in the end (delta: -25.9MB). Peak memory consumption was 18.6MB. Max. memory is 3.9GB. [2023-12-07 12:53:39,071 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 0.30ms. Allocated memory is still 60.9MB. Free memory was 27.0MB in the beginning and 27.0MB in the end (delta: 42.7kB). Peak memory consumption was 42.7kB. Max. memory is 3.9GB. * CACSL2BoogieTranslator took 1907.97ms. Allocated memory is still 60.9MB. Free memory was 32.1MB in the beginning and 21.1MB in the end (delta: 11.0MB). Peak memory consumption was 19.6MB. Max. memory is 3.9GB. * Boogie Procedure Inliner took 713.32ms. Allocated memory is still 60.9MB. Free memory was 21.1MB in the beginning and 8.6MB in the end (delta: 12.5MB). Peak memory consumption was 17.1MB. Max. memory is 3.9GB. * Boogie Preprocessor took 885.91ms. Allocated memory was 60.9MB in the beginning and 91.2MB in the end (delta: 30.3MB). Free memory was 8.6MB in the beginning and 34.5MB in the end (delta: -25.9MB). Peak memory consumption was 18.6MB. Max. memory is 3.9GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 38]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [38] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...