/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.M4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-dev-11640d2-m [2023-12-06 21:07:01,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-06 21:07:02,059 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 21:07:02,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-06 21:07:02,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-06 21:07:02,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-06 21:07:02,148 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-06 21:07:02,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-06 21:07:02,149 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-06 21:07:02,149 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-06 21:07:02,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-06 21:07:02,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-06 21:07:02,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-06 21:07:02,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-06 21:07:02,150 INFO L153 SettingsManager]: * Use SBE=true [2023-12-06 21:07:02,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-06 21:07:02,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-06 21:07:02,151 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-06 21:07:02,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-06 21:07:02,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-06 21:07:02,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-06 21:07:02,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-06 21:07:02,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-06 21:07:02,156 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-06 21:07:02,157 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-06 21:07:02,157 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-06 21:07:02,157 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-06 21:07:02,158 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-06 21:07:02,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-06 21:07:02,159 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-06 21:07:02,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-06 21:07:02,160 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-06 21:07:02,160 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-06 21:07:02,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-06 21:07:02,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-06 21:07:02,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-06 21:07:02,163 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-06 21:07:02,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-06 21:07:02,163 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-06 21:07:02,164 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-06 21:07:02,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-06 21:07:02,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-06 21:07:02,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-06 21:07:02,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-06 21:07:02,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-06 21:07:02,177 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-06 21:07:02,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-06 21:07:02,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-06 21:07:02,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-06 21:07:02,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-06 21:07:02,575 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-06 21:07:02,598 INFO L274 PluginConnector]: CDTParser initialized [2023-12-06 21:07:02,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M4-1.c [2023-12-06 21:07:05,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-06 21:07:06,561 INFO L384 CDTParser]: Found 1 translation units. [2023-12-06 21:07:06,562 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M4-1.c [2023-12-06 21:07:06,617 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d0b9a9b5/9b4932c8deb741bba0e17216dd6bbc5a/FLAGf300e5317 [2023-12-06 21:07:06,645 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d0b9a9b5/9b4932c8deb741bba0e17216dd6bbc5a [2023-12-06 21:07:06,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-06 21:07:06,650 INFO L133 ToolchainWalker]: Walking toolchain with 3 elements. [2023-12-06 21:07:06,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-06 21:07:06,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-06 21:07:06,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-06 21:07:06,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:07:06" (1/1) ... [2023-12-06 21:07:06,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8a16ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:06, skipping insertion in model container [2023-12-06 21:07:06,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:07:06" (1/1) ... [2023-12-06 21:07:06,865 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-06 21:07:07,088 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.M4-1.c[1510,1523] [2023-12-06 21:07:07,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-06 21:07:07,889 INFO L202 MainTranslator]: Completed pre-run [2023-12-06 21:07:07,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.bug1.i","-S") [38] [2023-12-06 21:07:07,904 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.M4-1.c[1510,1523] [2023-12-06 21:07:08,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-06 21:07:08,497 INFO L206 MainTranslator]: Completed translation [2023-12-06 21:07:08,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:08 WrapperNode [2023-12-06 21:07:08,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-06 21:07:08,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-06 21:07:08,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-06 21:07:08,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-06 21:07:08,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:08" (1/1) ... [2023-12-06 21:07:08,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:08" (1/1) ... [2023-12-06 21:07:09,304 INFO L138 Inliner]: procedures = 58, calls = 2046, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 4670 [2023-12-06 21:07:09,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-06 21:07:09,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-06 21:07:09,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-06 21:07:09,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-06 21:07:09,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:08" (1/1) ... [2023-12-06 21:07:09,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:08" (1/1) ... [2023-12-06 21:07:09,443 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:08" (1/1) ... [2023-12-06 21:07:09,565 INFO L175 MemorySlicer]: Split 1392 memory accesses to 15 slices as follows [2, 2, 251, 259, 87, 87, 161, 177, 4, 160, 177, 8, 2, 7, 8]. 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, 0, 0, 2, 0]. The 243 writes are split as follows [0, 1, 28, 28, 28, 28, 32, 27, 0, 32, 27, 4, 1, 3, 4]. [2023-12-06 21:07:09,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:08" (1/1) ... [2023-12-06 21:07:09,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:08" (1/1) ... [2023-12-06 21:07:10,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:08" (1/1) ... [2023-12-06 21:07:10,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:08" (1/1) ... [2023-12-06 21:07:10,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:08" (1/1) ... [2023-12-06 21:07:10,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:07:08" (1/1) ... [2023-12-06 21:07:10,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-06 21:07:10,195 INFO L158 Benchmark]: Toolchain (without parser) took 3543.55ms. Allocated memory was 60.9MB in the beginning and 95.3MB in the end (delta: 34.4MB). Free memory was 24.9MB in the beginning and 46.7MB in the end (delta: -21.8MB). Peak memory consumption was 37.4MB. Max. memory is 3.9GB. [2023-12-06 21:07:10,195 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.9MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 3.9GB. [2023-12-06 21:07:10,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1839.65ms. Allocated memory is still 60.9MB. Free memory was 24.6MB in the beginning and 14.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.6MB. Max. memory is 3.9GB. [2023-12-06 21:07:10,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 802.10ms. Allocated memory is still 60.9MB. Free memory was 14.5MB in the beginning and 15.4MB in the end (delta: -884.3kB). Peak memory consumption was 12.9MB. Max. memory is 3.9GB. [2023-12-06 21:07:10,197 INFO L158 Benchmark]: Boogie Preprocessor took 886.68ms. Allocated memory was 60.9MB in the beginning and 95.3MB in the end (delta: 34.4MB). Free memory was 15.1MB in the beginning and 46.7MB in the end (delta: -31.6MB). Peak memory consumption was 27.5MB. Max. memory is 3.9GB. [2023-12-06 21:07:10,199 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 0.32ms. Allocated memory is still 60.9MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 3.9GB. * CACSL2BoogieTranslator took 1839.65ms. Allocated memory is still 60.9MB. Free memory was 24.6MB in the beginning and 14.5MB in the end (delta: 10.1MB). Peak memory consumption was 10.6MB. Max. memory is 3.9GB. * Boogie Procedure Inliner took 802.10ms. Allocated memory is still 60.9MB. Free memory was 14.5MB in the beginning and 15.4MB in the end (delta: -884.3kB). Peak memory consumption was 12.9MB. Max. memory is 3.9GB. * Boogie Preprocessor took 886.68ms. Allocated memory was 60.9MB in the beginning and 95.3MB in the end (delta: 34.4MB). Free memory was 15.1MB in the beginning and 46.7MB in the end (delta: -31.6MB). Peak memory consumption was 27.5MB. 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...