/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/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-dev-db9108f-m [2023-12-07 12:18:48,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-07 12:18:48,486 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 12:18:48,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-07 12:18:48,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-07 12:18:48,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-07 12:18:48,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-07 12:18:48,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-07 12:18:48,542 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-07 12:18:48,543 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-07 12:18:48,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-07 12:18:48,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-07 12:18:48,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-07 12:18:48,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-07 12:18:48,545 INFO L153 SettingsManager]: * Use SBE=true [2023-12-07 12:18:48,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-07 12:18:48,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-07 12:18:48,546 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-07 12:18:48,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-07 12:18:48,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-07 12:18:48,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-07 12:18:48,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-07 12:18:48,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-07 12:18:48,563 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-07 12:18:48,564 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-07 12:18:48,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-07 12:18:48,564 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-07 12:18:48,565 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-07 12:18:48,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-07 12:18:48,565 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-07 12:18:48,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-07 12:18:48,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-07 12:18:48,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-07 12:18:48,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-07 12:18:48,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-07 12:18:48,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-07 12:18:48,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-07 12:18:48,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-07 12:18:48,568 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-07 12:18:48,569 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-07 12:18:48,569 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-07 12:18:48,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-07 12:18:48,584 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-07 12:18:48,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-07 12:18:48,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-07 12:18:48,585 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-07 12:18:48,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-07 12:18:49,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-07 12:18:49,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-07 12:18:49,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-07 12:18:49,162 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-07 12:18:49,187 INFO L274 PluginConnector]: CDTParser initialized [2023-12-07 12:18:49,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2023-12-07 12:18:52,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-07 12:18:52,771 INFO L384 CDTParser]: Found 1 translation units. [2023-12-07 12:18:52,771 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c [2023-12-07 12:18:52,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b4fb753/248ade2f7a2f4866bd5604061f5de8a0/FLAG75e7a3289 [2023-12-07 12:18:52,801 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b4fb753/248ade2f7a2f4866bd5604061f5de8a0 [2023-12-07 12:18:52,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-07 12:18:52,805 INFO L133 ToolchainWalker]: Walking toolchain with 3 elements. [2023-12-07 12:18:52,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-07 12:18:52,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-07 12:18:52,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-07 12:18:52,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:18:52" (1/1) ... [2023-12-07 12:18:52,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4b9167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:52, skipping insertion in model container [2023-12-07 12:18:52,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:18:52" (1/1) ... [2023-12-07 12:18:52,972 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-07 12:18:53,207 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1270,1283] [2023-12-07 12:18:53,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 12:18:53,598 INFO L202 MainTranslator]: Completed pre-run [2023-12-07 12:18:53,608 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-array/btor2c-lazyMod.unsafe_arbitrated_fifos_n2d8w8.c[1270,1283] [2023-12-07 12:18:53,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 12:18:53,911 INFO L206 MainTranslator]: Completed translation [2023-12-07 12:18:53,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:53 WrapperNode [2023-12-07 12:18:53,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-07 12:18:53,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-07 12:18:53,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-07 12:18:53,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-07 12:18:53,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:53" (1/1) ... [2023-12-07 12:18:53,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:53" (1/1) ... [2023-12-07 12:18:54,198 INFO L138 Inliner]: procedures = 18, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 955 [2023-12-07 12:18:54,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-07 12:18:54,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-07 12:18:54,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-07 12:18:54,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-07 12:18:54,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:53" (1/1) ... [2023-12-07 12:18:54,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:53" (1/1) ... [2023-12-07 12:18:54,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:53" (1/1) ... [2023-12-07 12:18:54,284 INFO L175 MemorySlicer]: Split 20 memory accesses to 3 slices as follows [2, 9, 9]. 45 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 4, 4]. [2023-12-07 12:18:54,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:53" (1/1) ... [2023-12-07 12:18:54,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:53" (1/1) ... [2023-12-07 12:18:54,368 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:53" (1/1) ... [2023-12-07 12:18:54,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:53" (1/1) ... [2023-12-07 12:18:54,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:53" (1/1) ... [2023-12-07 12:18:54,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:18:53" (1/1) ... [2023-12-07 12:18:54,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-07 12:18:54,435 INFO L158 Benchmark]: Toolchain (without parser) took 1629.79ms. Allocated memory is still 60.9MB. Free memory was 23.2MB in the beginning and 16.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.4MB. Max. memory is 3.9GB. [2023-12-07 12:18:54,436 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.9MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 3.9GB. [2023-12-07 12:18:54,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1105.39ms. Allocated memory is still 60.9MB. Free memory was 22.9MB in the beginning and 24.6MB in the end (delta: -1.7MB). Peak memory consumption was 6.5MB. Max. memory is 3.9GB. [2023-12-07 12:18:54,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 285.95ms. Allocated memory is still 60.9MB. Free memory was 24.6MB in the beginning and 27.0MB in the end (delta: -2.4MB). Peak memory consumption was 11.8MB. Max. memory is 3.9GB. [2023-12-07 12:18:54,438 INFO L158 Benchmark]: Boogie Preprocessor took 229.38ms. Allocated memory is still 60.9MB. Free memory was 27.0MB in the beginning and 16.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.2MB. Max. memory is 3.9GB. [2023-12-07 12:18:54,449 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 0.19ms. Allocated memory is still 60.9MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 3.9GB. * CACSL2BoogieTranslator took 1105.39ms. Allocated memory is still 60.9MB. Free memory was 22.9MB in the beginning and 24.6MB in the end (delta: -1.7MB). Peak memory consumption was 6.5MB. Max. memory is 3.9GB. * Boogie Procedure Inliner took 285.95ms. Allocated memory is still 60.9MB. Free memory was 24.6MB in the beginning and 27.0MB in the end (delta: -2.4MB). Peak memory consumption was 11.8MB. Max. memory is 3.9GB. * Boogie Preprocessor took 229.38ms. Allocated memory is still 60.9MB. Free memory was 27.0MB in the beginning and 16.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.2MB. Max. memory is 3.9GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...