/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_ring_buffer_init_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 14:06:36,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 14:06:36,239 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 14:06:36,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 14:06:36,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 14:06:36,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 14:06:36,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 14:06:36,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 14:06:36,266 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 14:06:36,267 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 14:06:36,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 14:06:36,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 14:06:36,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 14:06:36,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 14:06:36,271 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 14:06:36,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 14:06:36,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 14:06:36,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 14:06:36,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 14:06:36,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 14:06:36,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 14:06:36,273 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 14:06:36,273 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 14:06:36,273 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 14:06:36,273 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 14:06:36,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 14:06:36,274 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 14:06:36,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 14:06:36,275 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 14:06:36,275 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 14:06:36,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 14:06:36,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 14:06:36,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 14:06:36,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 14:06:36,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 14:06:36,276 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 14:06:36,276 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 14:06:36,277 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 14:06:36,277 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 14:06:36,277 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 14:06:36,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 14:06:36,278 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 14:06:36,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 14:06:36,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 14:06:36,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 14:06:36,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 14:06:36,450 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 14:06:36,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i [2024-11-05 14:06:37,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 14:06:38,078 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 14:06:38,079 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i [2024-11-05 14:06:38,103 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde3611eb/11cfdf019ad947eb8a1405c72df321d7/FLAG5341d8a9c [2024-11-05 14:06:38,114 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bde3611eb/11cfdf019ad947eb8a1405c72df321d7 [2024-11-05 14:06:38,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 14:06:38,117 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 14:06:38,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 14:06:38,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 14:06:38,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 14:06:38,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:06:38" (1/1) ... [2024-11-05 14:06:38,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85bad8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:38, skipping insertion in model container [2024-11-05 14:06:38,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:06:38" (1/1) ... [2024-11-05 14:06:38,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 14:06:38,488 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_ring_buffer_init_harness_negated.i[4494,4507] [2024-11-05 14:06:38,498 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_ring_buffer_init_harness_negated.i[4554,4567] [2024-11-05 14:06:38,958 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 14:06:39,026 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 14:06:39,027 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 14:06:39,027 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 14:06:39,033 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 14:06:39,034 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,034 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,034 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,035 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 14:06:39,035 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,036 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,037 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 14:06:39,038 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 14:06:39,039 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 14:06:39,039 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 14:06:39,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,051 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 14:06:39,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,051 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 14:06:39,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,053 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 14:06:39,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,057 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 14:06:39,058 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,059 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 14:06:39,059 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,059 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 14:06:39,059 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,060 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,270 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 14:06:39,270 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 14:06:39,271 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 14:06:39,322 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 14:06:39,456 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 14:06:39,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:06:39,563 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 14:06:39,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 14:06:39,602 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_ring_buffer_init_harness_negated.i[4494,4507] [2024-11-05 14:06:39,602 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_ring_buffer_init_harness_negated.i[4554,4567] [2024-11-05 14:06:39,631 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 14:06:39,643 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 14:06:39,643 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 14:06:39,643 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 14:06:39,646 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 14:06:39,647 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,647 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,648 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 14:06:39,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,649 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 14:06:39,650 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 14:06:39,651 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 14:06:39,651 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 14:06:39,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,656 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 14:06:39,656 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,656 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 14:06:39,657 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,657 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 14:06:39,657 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,657 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 14:06:39,658 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,658 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 14:06:39,659 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,659 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 14:06:39,659 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,659 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,706 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 14:06:39,706 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 14:06:39,707 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 14:06:39,707 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 14:06:39,781 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 14:06:39,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:06:39,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 14:06:39,822 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_ring_buffer_init_harness_negated.i[4494,4507] [2024-11-05 14:06:39,823 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_ring_buffer_init_harness_negated.i[4554,4567] [2024-11-05 14:06:39,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,860 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,863 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,864 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,864 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,871 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,871 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:39,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7559-7570] [2024-11-05 14:06:39,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:06:40,127 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-05 14:06:40,134 INFO L204 MainTranslator]: Completed translation [2024-11-05 14:06:40,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40 WrapperNode [2024-11-05 14:06:40,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 14:06:40,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 14:06:40,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 14:06:40,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 14:06:40,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (1/1) ... [2024-11-05 14:06:40,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (1/1) ... [2024-11-05 14:06:40,239 INFO L138 Inliner]: procedures = 698, calls = 1512, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 576 [2024-11-05 14:06:40,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 14:06:40,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 14:06:40,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 14:06:40,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 14:06:40,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (1/1) ... [2024-11-05 14:06:40,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (1/1) ... [2024-11-05 14:06:40,263 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (1/1) ... [2024-11-05 14:06:40,326 INFO L175 MemorySlicer]: Split 271 memory accesses to 4 slices as follows [2, 238, 5, 26]. 88 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 6, 5, 5]. The 237 writes are split as follows [0, 232, 0, 5]. [2024-11-05 14:06:40,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (1/1) ... [2024-11-05 14:06:40,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (1/1) ... [2024-11-05 14:06:40,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (1/1) ... [2024-11-05 14:06:40,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (1/1) ... [2024-11-05 14:06:40,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (1/1) ... [2024-11-05 14:06:40,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (1/1) ... [2024-11-05 14:06:40,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 14:06:40,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 14:06:40,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 14:06:40,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 14:06:40,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (1/1) ... [2024-11-05 14:06:40,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 14:06:40,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 14:06:40,436 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 14:06:40,438 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 14:06:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 14:06:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 14:06:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 14:06:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 14:06:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 14:06:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 14:06:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 14:06:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 14:06:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 14:06:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 14:06:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 14:06:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-05 14:06:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-05 14:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-05 14:06:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-05 14:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2024-11-05 14:06:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2024-11-05 14:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 14:06:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 14:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 14:06:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 14:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 14:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 14:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 14:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 14:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 14:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 14:06:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-05 14:06:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-05 14:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 14:06:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 14:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 14:06:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 14:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-05 14:06:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-05 14:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 14:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 14:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 14:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 14:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-05 14:06:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-05 14:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-05 14:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-05 14:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-05 14:06:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-05 14:06:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-05 14:06:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-05 14:06:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-05 14:06:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-05 14:06:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 14:06:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 14:06:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-05 14:06:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-05 14:06:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 14:06:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 14:06:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 14:06:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 14:06:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 14:06:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 14:06:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 14:06:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 14:06:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 14:06:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-05 14:06:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-05 14:06:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 14:06:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 14:06:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 14:06:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 14:06:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 14:06:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 14:06:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-05 14:06:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-05 14:06:40,695 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 14:06:40,697 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 14:06:47,918 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-05 14:06:47,918 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 14:06:47,927 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 14:06:47,928 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-05 14:06:47,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:06:47 BoogieIcfgContainer [2024-11-05 14:06:47,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 14:06:47,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 14:06:47,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 14:06:47,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 14:06:47,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 02:06:38" (1/3) ... [2024-11-05 14:06:47,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4844d21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:06:47, skipping insertion in model container [2024-11-05 14:06:47,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:40" (2/3) ... [2024-11-05 14:06:47,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4844d21a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:06:47, skipping insertion in model container [2024-11-05 14:06:47,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:06:47" (3/3) ... [2024-11-05 14:06:47,934 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness_negated.i [2024-11-05 14:06:47,946 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 14:06:47,946 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-05 14:06:47,987 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 14:06:47,996 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;@59f49a68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 14:06:47,996 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-05 14:06:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 97 states have (on average 1.2474226804123711) internal successors, (121), 100 states have internal predecessors, (121), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-05 14:06:48,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-05 14:06:48,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:06:48,013 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 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, 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 14:06:48,013 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-05 14:06:48,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:06:48,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1864435119, now seen corresponding path program 1 times [2024-11-05 14:06:48,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:06:48,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1497000540] [2024-11-05 14:06:48,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:06:48,025 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:06:48,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:06:48,027 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 14:06:48,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 14:06:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:06:54,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 2287 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 14:06:54,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:06:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-05 14:06:54,306 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:06:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-05 14:06:57,207 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:06:57,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1497000540] [2024-11-05 14:06:57,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1497000540] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 14:06:57,208 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 14:06:57,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 14:06:57,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900211983] [2024-11-05 14:06:57,209 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 14:06:57,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 14:06:57,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:06:57,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 14:06:57,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 14:06:57,227 INFO L87 Difference]: Start difference. First operand has 146 states, 97 states have (on average 1.2474226804123711) internal successors, (121), 100 states have internal predecessors, (121), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 14:06:57,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:06:57,251 INFO L93 Difference]: Finished difference Result 281 states and 368 transitions. [2024-11-05 14:06:57,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 14:06:57,252 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 86 [2024-11-05 14:06:57,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:06:57,257 INFO L225 Difference]: With dead ends: 281 [2024-11-05 14:06:57,257 INFO L226 Difference]: Without dead ends: 139 [2024-11-05 14:06:57,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 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 14:06:57,262 INFO L432 NwaCegarLoop]: 173 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, 173 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 14:06:57,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 14:06:57,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-05 14:06:57,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-05 14:06:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 90 states have (on average 1.1888888888888889) internal successors, (107), 93 states have internal predecessors, (107), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-05 14:06:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 166 transitions. [2024-11-05 14:06:57,291 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 166 transitions. Word has length 86 [2024-11-05 14:06:57,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:06:57,292 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 166 transitions. [2024-11-05 14:06:57,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 14:06:57,292 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 166 transitions. [2024-11-05 14:06:57,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-05 14:06:57,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:06:57,294 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 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, 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 14:06:57,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 14:06:57,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:06:57,502 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-05 14:06:57,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:06:57,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1587862584, now seen corresponding path program 1 times [2024-11-05 14:06:57,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:06:57,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29068639] [2024-11-05 14:06:57,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:06:57,503 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:06:57,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:06:57,506 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 14:06:57,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 14:07:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:07:03,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 2303 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 14:07:03,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:07:03,701 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-05 14:07:03,701 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:07:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-05 14:07:08,128 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:07:08,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29068639] [2024-11-05 14:07:08,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [29068639] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 14:07:08,129 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 14:07:08,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 14:07:08,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503898312] [2024-11-05 14:07:08,129 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 14:07:08,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 14:07:08,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:07:08,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 14:07:08,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 14:07:08,131 INFO L87 Difference]: Start difference. First operand 139 states and 166 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 14:07:08,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:07:08,556 INFO L93 Difference]: Finished difference Result 265 states and 315 transitions. [2024-11-05 14:07:08,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 14:07:08,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 92 [2024-11-05 14:07:08,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:07:08,560 INFO L225 Difference]: With dead ends: 265 [2024-11-05 14:07:08,560 INFO L226 Difference]: Without dead ends: 141 [2024-11-05 14:07:08,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 14:07:08,561 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-05 14:07:08,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-05 14:07:08,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-05 14:07:08,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-05 14:07:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 92 states have (on average 1.184782608695652) internal successors, (109), 95 states have internal predecessors, (109), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-05 14:07:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2024-11-05 14:07:08,582 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 92 [2024-11-05 14:07:08,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:07:08,582 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2024-11-05 14:07:08,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 14:07:08,582 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2024-11-05 14:07:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-05 14:07:08,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:07:08,586 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 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, 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 14:07:08,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-05 14:07:08,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:07:08,790 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-05 14:07:08,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:07:08,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1140897960, now seen corresponding path program 1 times [2024-11-05 14:07:08,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:07:08,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985426699] [2024-11-05 14:07:08,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:07:08,791 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:07:08,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:07:08,793 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 14:07:08,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 14:07:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:07:13,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 2325 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 14:07:13,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:07:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-05 14:07:15,312 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:07:21,779 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-05 14:07:21,779 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:07:21,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985426699] [2024-11-05 14:07:21,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1985426699] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 14:07:21,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 14:07:21,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 14:07:21,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529882411] [2024-11-05 14:07:21,780 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 14:07:21,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 14:07:21,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:07:21,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 14:07:21,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-05 14:07:21,782 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 14:07:24,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:07:24,501 INFO L93 Difference]: Finished difference Result 269 states and 321 transitions. [2024-11-05 14:07:24,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 14:07:24,505 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 94 [2024-11-05 14:07:24,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:07:24,513 INFO L225 Difference]: With dead ends: 269 [2024-11-05 14:07:24,513 INFO L226 Difference]: Without dead ends: 145 [2024-11-05 14:07:24,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-05 14:07:24,514 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-05 14:07:24,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 817 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-05 14:07:24,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-05 14:07:24,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-05 14:07:24,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 96 states have (on average 1.1770833333333333) internal successors, (113), 99 states have internal predecessors, (113), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-05 14:07:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2024-11-05 14:07:24,528 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 94 [2024-11-05 14:07:24,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:07:24,528 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2024-11-05 14:07:24,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 14:07:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2024-11-05 14:07:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-05 14:07:24,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:07:24,530 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 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, 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 14:07:24,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-05 14:07:24,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:07:24,731 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-05 14:07:24,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:07:24,732 INFO L85 PathProgramCache]: Analyzing trace with hash 844842392, now seen corresponding path program 2 times [2024-11-05 14:07:24,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:07:24,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164894345] [2024-11-05 14:07:24,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:07:24,732 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:07:24,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:07:24,734 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 14:07:24,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 14:07:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:07:30,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 2369 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 14:07:30,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:07:34,241 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 35 proven. 21 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-05 14:07:34,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:07:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-05 14:07:46,856 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:07:46,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [164894345] [2024-11-05 14:07:46,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [164894345] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 14:07:46,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 14:07:46,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-05 14:07:46,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118541284] [2024-11-05 14:07:46,857 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 14:07:46,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-05 14:07:46,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:07:46,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-05 14:07:46,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-11-05 14:07:46,858 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand has 18 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 14:07:57,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:07:57,916 INFO L93 Difference]: Finished difference Result 277 states and 333 transitions. [2024-11-05 14:07:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-05 14:07:57,917 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 98 [2024-11-05 14:07:57,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:07:57,918 INFO L225 Difference]: With dead ends: 277 [2024-11-05 14:07:57,918 INFO L226 Difference]: Without dead ends: 153 [2024-11-05 14:07:57,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 17.4s TimeCoverageRelationStatistics Valid=205, Invalid=347, Unknown=0, NotChecked=0, Total=552 [2024-11-05 14:07:57,920 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1307 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-05 14:07:57,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1307 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-05 14:07:57,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-05 14:07:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-05 14:07:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 104 states have (on average 1.1634615384615385) internal successors, (121), 107 states have internal predecessors, (121), 30 states have call successors, (30), 16 states have call predecessors, (30), 16 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-05 14:07:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2024-11-05 14:07:57,928 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 98 [2024-11-05 14:07:57,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:07:57,928 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2024-11-05 14:07:57,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 14:07:57,928 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2024-11-05 14:07:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-05 14:07:57,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:07:57,930 INFO L215 NwaCegarLoop]: trace histogram [14, 6, 6, 6, 2, 2, 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, 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 14:07:57,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 14:07:58,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:07:58,134 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptrErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2024-11-05 14:07:58,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:07:58,134 INFO L85 PathProgramCache]: Analyzing trace with hash -458759656, now seen corresponding path program 3 times [2024-11-05 14:07:58,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:07:58,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133467392] [2024-11-05 14:07:58,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:07:58,135 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:07:58,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:07:58,137 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 14:07:58,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 14:08:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:08:03,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 2457 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-05 14:08:03,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:08:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 35 proven. 105 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-05 14:08:16,314 INFO L311 TraceCheckSpWp]: Computing backward predicates...