/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_cursor_from_c_str_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 13:48:51,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 13:48:51,410 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 13:48:51,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 13:48:51,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 13:48:51,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 13:48:51,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 13:48:51,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 13:48:51,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 13:48:51,452 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 13:48:51,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 13:48:51,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 13:48:51,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 13:48:51,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 13:48:51,454 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 13:48:51,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 13:48:51,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 13:48:51,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 13:48:51,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 13:48:51,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 13:48:51,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 13:48:51,461 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 13:48:51,462 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 13:48:51,462 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 13:48:51,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 13:48:51,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 13:48:51,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 13:48:51,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 13:48:51,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 13:48:51,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 13:48:51,464 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 13:48:51,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 13:48:51,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 13:48:51,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 13:48:51,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 13:48:51,465 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 13:48:51,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 13:48:51,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 13:48:51,466 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 13:48:51,466 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 13:48:51,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 13:48:51,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 13:48:51,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 13:48:51,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 13:48:51,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 13:48:51,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 13:48:51,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 13:48:51,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_cursor_from_c_str_harness.i [2024-11-05 13:48:52,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 13:48:53,221 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 13:48:53,222 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_from_c_str_harness.i [2024-11-05 13:48:53,257 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53469d51f/1f55d1d5ae9b46c3bbfbd803d5133a9e/FLAG608e36bdb [2024-11-05 13:48:53,447 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53469d51f/1f55d1d5ae9b46c3bbfbd803d5133a9e [2024-11-05 13:48:53,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 13:48:53,451 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 13:48:53,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 13:48:53,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 13:48:53,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 13:48:53,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:48:53" (1/1) ... [2024-11-05 13:48:53,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2767573c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:53, skipping insertion in model container [2024-11-05 13:48:53,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 01:48:53" (1/1) ... [2024-11-05 13:48:53,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 13:48:53,730 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_cursor_from_c_str_harness.i[4500,4513] [2024-11-05 13:48:53,738 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_cursor_from_c_str_harness.i[4560,4573] [2024-11-05 13:48:54,205 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 13:48:54,287 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 13:48:54,287 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 13:48:54,288 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 13:48:54,292 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 13:48:54,294 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,294 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,294 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,295 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 13:48:54,295 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,296 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,298 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 13:48:54,298 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 13:48:54,300 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 13:48:54,300 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 13:48:54,308 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,308 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 13:48:54,308 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,309 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 13:48:54,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,310 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 13:48:54,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,311 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 13:48:54,633 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 13:48:54,634 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 13:48:54,635 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 13:48:54,635 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 13:48:54,726 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 13:48:54,738 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 13:48:54,741 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 13:48:54,745 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 13:48:54,779 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 13:48:54,780 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 13:48:54,782 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 13:48:54,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:48:54,895 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 13:48:54,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 13:48:54,932 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_cursor_from_c_str_harness.i[4500,4513] [2024-11-05 13:48:54,933 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_cursor_from_c_str_harness.i[4560,4573] [2024-11-05 13:48:54,950 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 13:48:54,960 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 13:48:54,961 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 13:48:54,961 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 13:48:54,964 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 13:48:54,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,966 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 13:48:54,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,967 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 13:48:54,968 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 13:48:54,968 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 13:48:54,969 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 13:48:54,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,972 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 13:48:54,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,973 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 13:48:54,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,973 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 13:48:54,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:54,974 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 13:48:55,008 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 13:48:55,009 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 13:48:55,012 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 13:48:55,012 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 13:48:55,037 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 13:48:55,043 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 13:48:55,047 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 13:48:55,051 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 13:48:55,074 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 13:48:55,075 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 13:48:55,076 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 13:48:55,077 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,077 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:48:55,137 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 13:48:55,151 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_cursor_from_c_str_harness.i[4500,4513] [2024-11-05 13:48:55,152 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_cursor_from_c_str_harness.i[4560,4573] [2024-11-05 13:48:55,184 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,185 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,185 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,186 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,186 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,192 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-05 13:48:55,279 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,280 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 13:48:55,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-05 13:48:55,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 13:48:55,503 INFO L204 MainTranslator]: Completed translation [2024-11-05 13:48:55,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55 WrapperNode [2024-11-05 13:48:55,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 13:48:55,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 13:48:55,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 13:48:55,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 13:48:55,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (1/1) ... [2024-11-05 13:48:55,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (1/1) ... [2024-11-05 13:48:55,630 INFO L138 Inliner]: procedures = 699, calls = 2606, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 804 [2024-11-05 13:48:55,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 13:48:55,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 13:48:55,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 13:48:55,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 13:48:55,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (1/1) ... [2024-11-05 13:48:55,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (1/1) ... [2024-11-05 13:48:55,648 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (1/1) ... [2024-11-05 13:48:55,713 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 241, 17, 5]. 49 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 0, 6, 2, 5]. The 491 writes are split as follows [0, 257, 232, 2, 0]. [2024-11-05 13:48:55,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (1/1) ... [2024-11-05 13:48:55,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (1/1) ... [2024-11-05 13:48:55,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (1/1) ... [2024-11-05 13:48:55,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (1/1) ... [2024-11-05 13:48:55,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (1/1) ... [2024-11-05 13:48:55,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (1/1) ... [2024-11-05 13:48:55,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 13:48:55,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 13:48:55,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 13:48:55,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 13:48:55,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (1/1) ... [2024-11-05 13:48:55,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 13:48:55,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 13:48:55,809 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 13:48:55,812 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 13:48:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-05 13:48:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-05 13:48:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 13:48:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 13:48:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 13:48:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 13:48:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 13:48:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 13:48:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 13:48:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 13:48:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 13:48:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 13:48:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 13:48:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 13:48:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 13:48:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 13:48:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 13:48:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 13:48:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 13:48:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 13:48:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 13:48:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 13:48:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 13:48:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 13:48:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 13:48:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 13:48:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 13:48:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 13:48:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-05 13:48:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-05 13:48:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 13:48:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 13:48:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 13:48:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 13:48:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 13:48:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 13:48:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 13:48:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 13:48:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 13:48:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 13:48:56,070 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 13:48:56,072 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 13:49:02,999 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-05 13:49:02,999 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 13:49:03,010 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 13:49:03,010 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 13:49:03,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:49:03 BoogieIcfgContainer [2024-11-05 13:49:03,011 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 13:49:03,012 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 13:49:03,012 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 13:49:03,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 13:49:03,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 01:48:53" (1/3) ... [2024-11-05 13:49:03,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3c0315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:49:03, skipping insertion in model container [2024-11-05 13:49:03,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 01:48:55" (2/3) ... [2024-11-05 13:49:03,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3c0315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 01:49:03, skipping insertion in model container [2024-11-05 13:49:03,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 01:49:03" (3/3) ... [2024-11-05 13:49:03,016 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_c_str_harness.i [2024-11-05 13:49:03,027 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 13:49:03,027 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 13:49:03,070 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 13:49:03,074 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;@6ccd9feb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 13:49:03,074 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 13:49:03,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 50 states have internal predecessors, (60), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-05 13:49:03,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-05 13:49:03,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:49:03,083 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:49:03,083 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:49:03,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:49:03,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1393835823, now seen corresponding path program 1 times [2024-11-05 13:49:03,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:49:03,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431667799] [2024-11-05 13:49:03,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:49:03,094 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:49:03,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:49:03,096 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 13:49:03,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 13:50:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 13:50:12,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 3976 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-05 13:50:12,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 13:50:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 13:50:14,620 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 13:50:17,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 13:50:17,898 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 13:50:17,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431667799] [2024-11-05 13:50:17,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1431667799] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 13:50:17,899 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 13:50:17,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-05 13:50:17,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135060440] [2024-11-05 13:50:17,900 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 13:50:17,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 13:50:17,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 13:50:17,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 13:50:17,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-05 13:50:17,919 INFO L87 Difference]: Start difference. First operand has 73 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 50 states have internal predecessors, (60), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 7 states, 5 states have (on average 3.2) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-05 13:50:19,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 13:50:19,513 INFO L93 Difference]: Finished difference Result 139 states and 186 transitions. [2024-11-05 13:50:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 13:50:19,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 3.2) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 18 [2024-11-05 13:50:19,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 13:50:19,521 INFO L225 Difference]: With dead ends: 139 [2024-11-05 13:50:19,521 INFO L226 Difference]: Without dead ends: 68 [2024-11-05 13:50:19,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-05 13:50:19,525 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 1 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-05 13:50:19,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 492 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-05 13:50:19,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-05 13:50:19,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-05 13:50:19,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 47 states have internal predecessors, (52), 16 states have call successors, (16), 6 states have call predecessors, (16), 7 states have return successors, (15), 14 states have call predecessors, (15), 14 states have call successors, (15) [2024-11-05 13:50:19,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 83 transitions. [2024-11-05 13:50:19,550 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 83 transitions. Word has length 18 [2024-11-05 13:50:19,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 13:50:19,551 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 83 transitions. [2024-11-05 13:50:19,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 3.2) internal successors, (16), 7 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-05 13:50:19,551 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2024-11-05 13:50:19,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-05 13:50:19,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 13:50:19,552 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 13:50:19,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-05 13:50:19,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:50:19,753 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 13:50:19,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 13:50:19,753 INFO L85 PathProgramCache]: Analyzing trace with hash 728967636, now seen corresponding path program 1 times [2024-11-05 13:50:19,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 13:50:19,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370162887] [2024-11-05 13:50:19,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 13:50:19,754 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 13:50:19,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 13:50:19,755 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 13:50:19,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process