/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_secure_zero_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 13:43:01,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 13:43:01,251 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 13:43:01,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 13:43:01,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 13:43:01,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 13:43:01,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 13:43:01,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 13:43:01,269 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 13:43:01,269 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 13:43:01,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 13:43:01,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 13:43:01,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 13:43:01,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 13:43:01,270 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 13:43:01,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 13:43:01,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 13:43:01,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 13:43:01,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 13:43:01,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 13:43:01,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 13:43:01,273 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 13:43:01,273 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 13:43:01,273 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 13:43:01,273 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 13:43:01,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 13:43:01,274 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 13:43:01,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 13:43:01,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 13:43:01,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 13:43:01,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 13:43:01,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 13:43:01,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 13:43:01,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 13:43:01,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 13:43:01,276 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 13:43:01,276 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 13:43:01,276 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 13:43:01,276 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 13:43:01,276 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 13:43:01,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 13:43:01,277 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 13:43:01,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 13:43:01,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 13:43:01,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 13:43:01,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 13:43:01,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 13:43:01,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_secure_zero_harness.i [2024-11-05 13:43:02,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 13:43:03,178 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 13:43:03,179 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_secure_zero_harness.i [2024-11-05 13:43:03,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3abb6842/42d15c803bf449b3b6cc82c4dc123809/FLAG152ba87de [2024-11-05 13:43:03,409 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3abb6842/42d15c803bf449b3b6cc82c4dc123809 [2024-11-05 13:43:03,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 13:43:03,412 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 13:43:03,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 13:43:03,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 13:43:03,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 13:43:03,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:43:03" (1/1) ... [2024-11-05 13:43:03,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3dc8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:03, skipping insertion in model container [2024-11-05 13:43:03,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:43:03" (1/1) ... [2024-11-05 13:43:03,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 13:43:03,719 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_secure_zero_harness.i[4498,4511] [2024-11-05 13:43:03,725 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_secure_zero_harness.i[4558,4571] [2024-11-05 13:43:04,171 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,267 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,267 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,268 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,278 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,281 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,281 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,281 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,282 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,282 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,283 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,285 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,285 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,287 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,287 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,296 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,297 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,297 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,298 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,299 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,299 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,299 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,299 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,577 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,578 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,578 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,579 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,672 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,688 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,698 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,701 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,710 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,766 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,767 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,769 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,769 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,769 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:43:04,870 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 13:43:04,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 13:43:04,908 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_secure_zero_harness.i[4498,4511] [2024-11-05 13:43:04,908 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_secure_zero_harness.i[4558,4571] [2024-11-05 13:43:04,927 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,980 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,980 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,981 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,983 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,986 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,987 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:04,988 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,988 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,989 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,989 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:04,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,000 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,000 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,007 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,007 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,007 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,008 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,008 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,060 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,060 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,086 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,092 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,098 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,101 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,106 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,129 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,129 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,130 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 13:43:05,131 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,131 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:43:05,190 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 13:43:05,203 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_secure_zero_harness.i[4498,4511] [2024-11-05 13:43:05,204 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_secure_zero_harness.i[4558,4571] [2024-11-05 13:43:05,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,234 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,239 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-05 13:43:05,315 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:43:05,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-05 13:43:05,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:43:05,502 INFO L204 MainTranslator]: Completed translation [2024-11-05 13:43:05,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05 WrapperNode [2024-11-05 13:43:05,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 13:43:05,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 13:43:05,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 13:43:05,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 13:43:05,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (1/1) ... [2024-11-05 13:43:05,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (1/1) ... [2024-11-05 13:43:05,676 INFO L138 Inliner]: procedures = 700, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 804 [2024-11-05 13:43:05,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 13:43:05,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 13:43:05,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 13:43:05,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 13:43:05,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (1/1) ... [2024-11-05 13:43:05,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (1/1) ... [2024-11-05 13:43:05,713 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (1/1) ... [2024-11-05 13:43:05,773 INFO L175 MemorySlicer]: Split 527 memory accesses to 5 slices as follows [2, 257, 238, 7, 23]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 493 writes are split as follows [0, 257, 232, 1, 3]. [2024-11-05 13:43:05,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (1/1) ... [2024-11-05 13:43:05,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (1/1) ... [2024-11-05 13:43:05,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (1/1) ... [2024-11-05 13:43:05,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (1/1) ... [2024-11-05 13:43:05,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (1/1) ... [2024-11-05 13:43:05,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (1/1) ... [2024-11-05 13:43:05,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 13:43:05,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 13:43:05,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 13:43:05,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 13:43:05,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (1/1) ... [2024-11-05 13:43:05,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 13:43:05,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 13:43:05,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 13:43:05,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 13:43:05,890 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-05 13:43:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-05 13:43:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 13:43:05,891 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 13:43:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 13:43:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 13:43:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 13:43:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 13:43:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 13:43:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 13:43:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 13:43:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 13:43:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 13:43:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 13:43:05,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 13:43:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 13:43:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 13:43:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 13:43:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 13:43:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 13:43:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 13:43:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 13:43:05,893 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-05 13:43:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-05 13:43:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 13:43:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 13:43:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 13:43:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 13:43:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 13:43:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 13:43:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 13:43:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 13:43:05,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 13:43:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 13:43:05,894 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 13:43:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 13:43:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 13:43:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 13:43:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 13:43:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 13:43:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 13:43:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 13:43:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 13:43:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 13:43:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 13:43:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 13:43:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 13:43:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 13:43:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 13:43:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 13:43:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 13:43:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 13:43:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 13:43:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 13:43:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 13:43:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 13:43:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 13:43:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 13:43:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 13:43:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 13:43:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 13:43:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-05 13:43:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-05 13:43:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 13:43:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 13:43:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 13:43:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 13:43:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 13:43:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 13:43:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 13:43:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 13:43:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 13:43:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 13:43:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-05 13:43:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-05 13:43:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-05 13:43:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-05 13:43:06,141 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 13:43:06,142 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 13:43:12,959 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-05 13:43:12,960 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 13:43:12,973 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 13:43:12,973 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 13:43:12,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:43:12 BoogieIcfgContainer [2024-11-05 13:43:12,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 13:43:12,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 13:43:12,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 13:43:12,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 13:43:12,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 01:43:03" (1/3) ... [2024-11-05 13:43:12,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148ac70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:43:12, skipping insertion in model container [2024-11-05 13:43:12,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:43:05" (2/3) ... [2024-11-05 13:43:12,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148ac70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:43:12, skipping insertion in model container [2024-11-05 13:43:12,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:43:12" (3/3) ... [2024-11-05 13:43:12,979 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness.i [2024-11-05 13:43:12,989 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 13:43:12,990 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 13:43:13,040 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 13:43:13,045 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c930238, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 13:43:13,045 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 13:43:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-05 13:43:13,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-05 13:43:13,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:43:13,056 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:43:13,056 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:43:13,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:43:13,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1770303730, now seen corresponding path program 1 times [2024-11-05 13:43:13,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:43:13,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [214089917] [2024-11-05 13:43:13,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:43:13,067 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:43:13,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:43:13,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:43:13,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 13:44:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:44:22,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 4098 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 13:44:22,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:44:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-05 13:44:23,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:44:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-05 13:44:24,281 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:44:24,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [214089917] [2024-11-05 13:44:24,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [214089917] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 13:44:24,282 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 13:44:24,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 13:44:24,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690780639] [2024-11-05 13:44:24,283 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 13:44:24,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 13:44:24,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:44:24,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 13:44:24,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 13:44:24,304 INFO L87 Difference]: Start difference. First operand has 104 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 72 states have internal predecessors, (87), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-05 13:44:24,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:44:24,326 INFO L93 Difference]: Finished difference Result 204 states and 267 transitions. [2024-11-05 13:44:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 13:44:24,328 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 65 [2024-11-05 13:44:24,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:44:24,333 INFO L225 Difference]: With dead ends: 204 [2024-11-05 13:44:24,334 INFO L226 Difference]: Without dead ends: 99 [2024-11-05 13:44:24,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 13:44:24,339 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 13:44:24,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 13:44:24,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-05 13:44:24,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-05 13:44:24,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 67 states have (on average 1.1940298507462686) internal successors, (80), 68 states have internal predecessors, (80), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-05 13:44:24,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2024-11-05 13:44:24,371 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 65 [2024-11-05 13:44:24,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:44:24,371 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2024-11-05 13:44:24,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-05 13:44:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2024-11-05 13:44:24,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-05 13:44:24,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:44:24,374 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:44:24,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 13:44:24,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:44:24,579 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:44:24,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:44:24,580 INFO L85 PathProgramCache]: Analyzing trace with hash -638643194, now seen corresponding path program 1 times [2024-11-05 13:44:24,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:44:24,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [336699483] [2024-11-05 13:44:24,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:44:24,580 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:44:24,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:44:24,582 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 13:44:24,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process