/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-bv/btor2c-lazyMod.pgm_protocol.7.prop1-back-serstep.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-dev-db9108f-m [2023-12-07 12:29:56,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-07 12:29:56,417 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 12:29:56,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-07 12:29:56,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-07 12:29:56,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-07 12:29:56,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-07 12:29:56,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-07 12:29:56,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-07 12:29:56,498 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-07 12:29:56,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-07 12:29:56,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-07 12:29:56,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-07 12:29:56,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-07 12:29:56,501 INFO L153 SettingsManager]: * Use SBE=true [2023-12-07 12:29:56,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-07 12:29:56,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-07 12:29:56,502 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-07 12:29:56,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-07 12:29:56,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-07 12:29:56,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-07 12:29:56,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-07 12:29:56,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-07 12:29:56,512 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-07 12:29:56,513 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-07 12:29:56,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-07 12:29:56,513 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-07 12:29:56,513 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-07 12:29:56,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-07 12:29:56,514 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-07 12:29:56,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-07 12:29:56,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-07 12:29:56,515 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-07 12:29:56,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-07 12:29:56,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-07 12:29:56,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-07 12:29:56,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-07 12:29:56,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-07 12:29:56,517 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-07 12:29:56,517 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-07 12:29:56,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-07 12:29:56,551 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-07 12:29:56,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-07 12:29:56,552 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-07 12:29:56,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-07 12:29:56,552 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-07 12:29:56,552 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-07 12:29:56,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-07 12:29:56,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-07 12:29:57,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-07 12:29:57,001 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-07 12:29:57,018 INFO L274 PluginConnector]: CDTParser initialized [2023-12-07 12:29:57,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.7.prop1-back-serstep.c [2023-12-07 12:30:00,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-07 12:30:02,181 INFO L384 CDTParser]: Found 1 translation units. [2023-12-07 12:30:02,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.7.prop1-back-serstep.c [2023-12-07 12:30:02,452 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ef16bd5/e4cd2be2b01b4f69893fe707a96f7e1e/FLAG391a17f33 [2023-12-07 12:30:02,462 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8ef16bd5/e4cd2be2b01b4f69893fe707a96f7e1e [2023-12-07 12:30:02,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-07 12:30:02,464 INFO L133 ToolchainWalker]: Walking toolchain with 3 elements. [2023-12-07 12:30:02,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-07 12:30:02,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-07 12:30:02,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-07 12:30:02,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:30:02" (1/1) ... [2023-12-07 12:30:02,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e67677f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:02, skipping insertion in model container [2023-12-07 12:30:02,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:30:02" (1/1) ... [2023-12-07 12:30:03,855 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-07 12:30:04,672 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-bv/btor2c-lazyMod.pgm_protocol.7.prop1-back-serstep.c[1180,1193] [2023-12-07 12:30:08,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 12:30:08,781 INFO L202 MainTranslator]: Completed pre-run [2023-12-07 12:30:08,795 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-bv/btor2c-lazyMod.pgm_protocol.7.prop1-back-serstep.c[1180,1193] [2023-12-07 12:30:11,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 12:30:11,584 INFO L206 MainTranslator]: Completed translation [2023-12-07 12:30:11,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:11 WrapperNode [2023-12-07 12:30:11,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-07 12:30:11,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-07 12:30:11,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-07 12:30:11,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-07 12:30:11,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:11" (1/1) ... [2023-12-07 12:30:12,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:11" (1/1) ... [2023-12-07 12:30:13,410 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16176 [2023-12-07 12:30:13,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-07 12:30:13,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-07 12:30:13,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-07 12:30:13,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-07 12:30:13,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:11" (1/1) ... [2023-12-07 12:30:13,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:11" (1/1) ... [2023-12-07 12:30:13,737 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:11" (1/1) ... [2023-12-07 12:30:14,030 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-07 12:30:14,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:11" (1/1) ... [2023-12-07 12:30:14,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:11" (1/1) ... [2023-12-07 12:30:14,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:11" (1/1) ... [2023-12-07 12:30:14,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:11" (1/1) ... [2023-12-07 12:30:14,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:11" (1/1) ... [2023-12-07 12:30:15,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:30:11" (1/1) ... [2023-12-07 12:30:15,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-07 12:30:15,180 INFO L158 Benchmark]: Toolchain (without parser) took 12715.12ms. Allocated memory was 60.9MB in the beginning and 327.8MB in the end (delta: 266.9MB). Free memory was 16.9MB in the beginning and 158.3MB in the end (delta: -141.4MB). Peak memory consumption was 157.6MB. Max. memory is 3.9GB. [2023-12-07 12:30:15,181 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 60.9MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 3.9GB. [2023-12-07 12:30:15,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9120.24ms. Allocated memory was 60.9MB in the beginning and 162.0MB in the end (delta: 101.1MB). Free memory was 16.7MB in the beginning and 4.0MB in the end (delta: 12.7MB). Peak memory consumption was 115.1MB. Max. memory is 3.9GB. [2023-12-07 12:30:15,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 1823.89ms. Allocated memory was 162.0MB in the beginning and 198.0MB in the end (delta: 36.0MB). Free memory was 4.0MB in the beginning and 62.1MB in the end (delta: -58.1MB). Peak memory consumption was 30.3MB. Max. memory is 3.9GB. [2023-12-07 12:30:15,183 INFO L158 Benchmark]: Boogie Preprocessor took 1766.46ms. Allocated memory was 198.0MB in the beginning and 327.8MB in the end (delta: 129.8MB). Free memory was 62.1MB in the beginning and 158.3MB in the end (delta: -96.2MB). Peak memory consumption was 65.8MB. Max. memory is 3.9GB. [2023-12-07 12:30:15,185 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 0.23ms. Allocated memory is still 60.9MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 3.9GB. * CACSL2BoogieTranslator took 9120.24ms. Allocated memory was 60.9MB in the beginning and 162.0MB in the end (delta: 101.1MB). Free memory was 16.7MB in the beginning and 4.0MB in the end (delta: 12.7MB). Peak memory consumption was 115.1MB. Max. memory is 3.9GB. * Boogie Procedure Inliner took 1823.89ms. Allocated memory was 162.0MB in the beginning and 198.0MB in the end (delta: 36.0MB). Free memory was 4.0MB in the beginning and 62.1MB in the end (delta: -58.1MB). Peak memory consumption was 30.3MB. Max. memory is 3.9GB. * Boogie Preprocessor took 1766.46ms. Allocated memory was 198.0MB in the beginning and 327.8MB in the end (delta: 129.8MB). Free memory was 62.1MB in the beginning and 158.3MB in the end (delta: -96.2MB). Peak memory consumption was 65.8MB. Max. memory is 3.9GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...