/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.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 14:06:21,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 14:06:21,435 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 14:06:21,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 14:06:21,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 14:06:21,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 14:06:21,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 14:06:21,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 14:06:21,456 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 14:06:21,457 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 14:06:21,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 14:06:21,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 14:06:21,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 14:06:21,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 14:06:21,458 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 14:06:21,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 14:06:21,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 14:06:21,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 14:06:21,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 14:06:21,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 14:06:21,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 14:06:21,460 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 14:06:21,460 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 14:06:21,460 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 14:06:21,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 14:06:21,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 14:06:21,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 14:06:21,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 14:06:21,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 14:06:21,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 14:06:21,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 14:06:21,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 14:06:21,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 14:06:21,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 14:06:21,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 14:06:21,464 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 14:06:21,464 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 14:06:21,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 14:06:21,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 14:06:21,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 14:06:21,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 14:06:21,465 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 14:06:21,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 14:06:21,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 14:06:21,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 14:06:21,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 14:06:21,682 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 14:06:21,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness.i [2024-11-05 14:06:22,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 14:06:23,316 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 14:06:23,316 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness.i [2024-11-05 14:06:23,350 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd42635c1/81013027e94f48bc9a2b288722fd34c1/FLAGd6926d3f5 [2024-11-05 14:06:23,506 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd42635c1/81013027e94f48bc9a2b288722fd34c1 [2024-11-05 14:06:23,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 14:06:23,509 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 14:06:23,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 14:06:23,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 14:06:23,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 14:06:23,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:06:23" (1/1) ... [2024-11-05 14:06:23,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6818c64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:23, skipping insertion in model container [2024-11-05 14:06:23,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:06:23" (1/1) ... [2024-11-05 14:06:23,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 14:06:23,797 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.i[4494,4507] [2024-11-05 14:06:23,802 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.i[4554,4567] [2024-11-05 14:06:24,198 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 14:06:24,272 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 14:06:24,273 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 14:06:24,273 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 14:06:24,281 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 14:06:24,282 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,283 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,283 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,285 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:06:24,286 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,286 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,289 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 14:06:24,290 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 14:06:24,294 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 14:06:24,295 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 14:06:24,300 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,300 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 14:06:24,300 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,300 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 14:06:24,302 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,303 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 14:06:24,303 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,305 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 14:06:24,305 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,306 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 14:06:24,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,306 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 14:06:24,307 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,307 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,540 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 14:06:24,540 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 14:06:24,540 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 14:06:24,541 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 14:06:24,672 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 14:06:24,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:06:24,747 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 14:06:24,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 14:06:24,776 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.i[4494,4507] [2024-11-05 14:06:24,777 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.i[4554,4567] [2024-11-05 14:06:24,799 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 14:06:24,808 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 14:06:24,808 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 14:06:24,809 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 14:06:24,812 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 14:06:24,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,813 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 14:06:24,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,815 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 14:06:24,815 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 14:06:24,816 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 14:06:24,816 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 14:06:24,819 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,819 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 14:06:24,819 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,820 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 14:06:24,820 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,821 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 14:06:24,821 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,821 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 14:06:24,822 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,822 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 14:06:24,822 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,823 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 14:06:24,823 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,823 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,867 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 14:06:24,867 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 14:06:24,868 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 14:06:24,868 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 14:06:24,902 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 14:06:24,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:06:24,958 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 14:06:24,971 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.i[4494,4507] [2024-11-05 14:06:24,971 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.i[4554,4567] [2024-11-05 14:06:24,998 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,998 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,998 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:24,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:25,003 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:25,003 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:25,004 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:25,005 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:25,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:25,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:25,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:25,007 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 14:06:25,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7591-7602] [2024-11-05 14:06:25,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 14:06:25,237 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-05 14:06:25,247 INFO L204 MainTranslator]: Completed translation [2024-11-05 14:06:25,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25 WrapperNode [2024-11-05 14:06:25,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 14:06:25,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 14:06:25,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 14:06:25,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 14:06:25,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (1/1) ... [2024-11-05 14:06:25,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (1/1) ... [2024-11-05 14:06:25,370 INFO L138 Inliner]: procedures = 698, calls = 1512, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 576 [2024-11-05 14:06:25,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 14:06:25,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 14:06:25,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 14:06:25,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 14:06:25,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (1/1) ... [2024-11-05 14:06:25,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (1/1) ... [2024-11-05 14:06:25,392 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (1/1) ... [2024-11-05 14:06:25,448 INFO L175 MemorySlicer]: Split 271 memory accesses to 4 slices as follows [2, 238, 26, 5]. 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, 5, 0]. [2024-11-05 14:06:25,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (1/1) ... [2024-11-05 14:06:25,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (1/1) ... [2024-11-05 14:06:25,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (1/1) ... [2024-11-05 14:06:25,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (1/1) ... [2024-11-05 14:06:25,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (1/1) ... [2024-11-05 14:06:25,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (1/1) ... [2024-11-05 14:06:25,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 14:06:25,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 14:06:25,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 14:06:25,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 14:06:25,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (1/1) ... [2024-11-05 14:06:25,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 14:06:25,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 14:06:25,545 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 14:06:25,548 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 14:06:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 14:06:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 14:06:25,568 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 14:06:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 14:06:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 14:06:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 14:06:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 14:06:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 14:06:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 14:06:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 14:06:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 14:06:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-05 14:06:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-05 14:06:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-05 14:06:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-05 14:06:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2024-11-05 14:06:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2024-11-05 14:06:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 14:06:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 14:06:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 14:06:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 14:06:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 14:06:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 14:06:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 14:06:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 14:06:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 14:06:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 14:06:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-05 14:06:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-05 14:06:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 14:06:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 14:06:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 14:06:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 14:06:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-05 14:06:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-05 14:06:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 14:06:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 14:06:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 14:06:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 14:06:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-05 14:06:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-05 14:06:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-05 14:06:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-05 14:06:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-05 14:06:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-05 14:06:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-05 14:06:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-05 14:06:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-05 14:06:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-05 14:06:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 14:06:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 14:06:25,571 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-05 14:06:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-05 14:06:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 14:06:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 14:06:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 14:06:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 14:06:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 14:06:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 14:06:25,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 14:06:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 14:06:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 14:06:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-05 14:06:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-05 14:06:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 14:06:25,575 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 14:06:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 14:06:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 14:06:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 14:06:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 14:06:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-05 14:06:25,576 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-05 14:06:25,799 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 14:06:25,801 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 14:06:33,011 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-05 14:06:33,011 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 14:06:33,020 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 14:06:33,020 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-05 14:06:33,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:06:33 BoogieIcfgContainer [2024-11-05 14:06:33,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 14:06:33,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 14:06:33,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 14:06:33,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 14:06:33,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 02:06:23" (1/3) ... [2024-11-05 14:06:33,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fe2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:06:33, skipping insertion in model container [2024-11-05 14:06:33,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:06:25" (2/3) ... [2024-11-05 14:06:33,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fe2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:06:33, skipping insertion in model container [2024-11-05 14:06:33,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:06:33" (3/3) ... [2024-11-05 14:06:33,028 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness.i [2024-11-05 14:06:33,038 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 14:06:33,039 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-05 14:06:33,088 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 14:06:33,095 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;@7037c8e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 14:06:33,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-05 14:06:33,100 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 14:06:33,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-05 14:06:33,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:06:33,111 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 14:06:33,111 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 14:06:33,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:06:33,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1864435119, now seen corresponding path program 1 times [2024-11-05 14:06:33,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:06:33,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51688253] [2024-11-05 14:06:33,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:06:33,122 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:06:33,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:06:33,124 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 14:06:33,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 14:06:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:06:38,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 2287 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 14:06:38,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:06:38,127 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 14:06:38,127 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:06:41,090 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 14:06:41,091 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:06:41,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51688253] [2024-11-05 14:06:41,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [51688253] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 14:06:41,092 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 14:06:41,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 14:06:41,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252181224] [2024-11-05 14:06:41,094 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 14:06:41,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 14:06:41,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:06:41,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 14:06:41,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 14:06:41,118 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 14:06:41,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:06:41,144 INFO L93 Difference]: Finished difference Result 281 states and 368 transitions. [2024-11-05 14:06:41,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 14:06:41,147 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 14:06:41,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:06:41,153 INFO L225 Difference]: With dead ends: 281 [2024-11-05 14:06:41,153 INFO L226 Difference]: Without dead ends: 139 [2024-11-05 14:06:41,156 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 14:06:41,159 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 14:06:41,159 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 14:06:41,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-05 14:06:41,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-05 14:06:41,192 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 14:06:41,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 166 transitions. [2024-11-05 14:06:41,196 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 166 transitions. Word has length 86 [2024-11-05 14:06:41,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:06:41,197 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 166 transitions. [2024-11-05 14:06:41,197 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 14:06:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 166 transitions. [2024-11-05 14:06:41,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-05 14:06:41,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:06:41,200 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 14:06:41,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-05 14:06:41,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:06:41,404 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 14:06:41,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:06:41,405 INFO L85 PathProgramCache]: Analyzing trace with hash -60787664, now seen corresponding path program 1 times [2024-11-05 14:06:41,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:06:41,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459949025] [2024-11-05 14:06:41,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:06:41,405 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:06:41,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:06:41,407 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 14:06:41,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 14:06:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:06:46,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 2303 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 14:06:46,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:06:46,861 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 14:06:46,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:06:51,327 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 14:06:51,327 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:06:51,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459949025] [2024-11-05 14:06:51,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [459949025] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 14:06:51,327 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 14:06:51,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 14:06:51,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860366157] [2024-11-05 14:06:51,328 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 14:06:51,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 14:06:51,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:06:51,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 14:06:51,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 14:06:51,330 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 14:06:51,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:06:51,769 INFO L93 Difference]: Finished difference Result 265 states and 315 transitions. [2024-11-05 14:06:51,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 14:06:51,771 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 14:06:51,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:06:51,772 INFO L225 Difference]: With dead ends: 265 [2024-11-05 14:06:51,772 INFO L226 Difference]: Without dead ends: 141 [2024-11-05 14:06:51,773 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 14:06:51,774 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 14:06:51,774 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 14:06:51,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-05 14:06:51,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-05 14:06:51,783 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 14:06:51,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2024-11-05 14:06:51,784 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 92 [2024-11-05 14:06:51,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:06:51,785 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2024-11-05 14:06:51,785 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 14:06:51,785 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2024-11-05 14:06:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-05 14:06:51,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:06:51,787 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 14:06:51,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-05 14:06:51,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:06:51,992 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 14:06:51,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:06:51,992 INFO L85 PathProgramCache]: Analyzing trace with hash 260546640, now seen corresponding path program 1 times [2024-11-05 14:06:51,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:06:51,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104265635] [2024-11-05 14:06:51,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:06:51,993 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:06:51,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:06:51,994 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 14:06:51,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 14:06:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:06:56,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 2325 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 14:06:56,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:06:57,940 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 14:06:57,941 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:07:03,626 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 14:07:03,626 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:07:03,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104265635] [2024-11-05 14:07:03,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2104265635] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 14:07:03,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 14:07:03,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 14:07:03,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957542819] [2024-11-05 14:07:03,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 14:07:03,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 14:07:03,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:07:03,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 14:07:03,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-05 14:07:03,632 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 14:07:05,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:07:05,949 INFO L93 Difference]: Finished difference Result 269 states and 321 transitions. [2024-11-05 14:07:05,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 14:07:05,950 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 14:07:05,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:07:05,951 INFO L225 Difference]: With dead ends: 269 [2024-11-05 14:07:05,951 INFO L226 Difference]: Without dead ends: 145 [2024-11-05 14:07:05,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-05 14:07:05,956 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.1s IncrementalHoareTripleChecker+Time [2024-11-05 14:07:05,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 817 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-05 14:07:05,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-05 14:07:05,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-05 14:07:05,963 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 14:07:05,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2024-11-05 14:07:05,965 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 94 [2024-11-05 14:07:05,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:07:05,965 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2024-11-05 14:07:05,965 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 14:07:05,967 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2024-11-05 14:07:05,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-05 14:07:05,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:07:05,968 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 14:07:05,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-05 14:07:06,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:07:06,169 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 14:07:06,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:07:06,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1962385264, now seen corresponding path program 2 times [2024-11-05 14:07:06,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:07:06,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610154207] [2024-11-05 14:07:06,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:07:06,170 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:07:06,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:07:06,172 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 14:07:06,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 14:07:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:07:10,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 2369 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 14:07:10,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:07:14,529 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 14:07:14,530 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 14:07:25,714 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 14:07:25,714 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 14:07:25,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610154207] [2024-11-05 14:07:25,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [610154207] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 14:07:25,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 14:07:25,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-05 14:07:25,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884284905] [2024-11-05 14:07:25,715 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 14:07:25,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-05 14:07:25,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 14:07:25,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-05 14:07:25,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2024-11-05 14:07:25,716 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 14:07:35,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 14:07:35,227 INFO L93 Difference]: Finished difference Result 277 states and 333 transitions. [2024-11-05 14:07:35,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-05 14:07:35,230 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 14:07:35,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 14:07:35,234 INFO L225 Difference]: With dead ends: 277 [2024-11-05 14:07:35,234 INFO L226 Difference]: Without dead ends: 153 [2024-11-05 14:07:35,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=205, Invalid=347, Unknown=0, NotChecked=0, Total=552 [2024-11-05 14:07:35,235 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.4s IncrementalHoareTripleChecker+Time [2024-11-05 14:07:35,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1307 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-05 14:07:35,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-05 14:07:35,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-05 14:07:35,249 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 14:07:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2024-11-05 14:07:35,254 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 98 [2024-11-05 14:07:35,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 14:07:35,254 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2024-11-05 14:07:35,254 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 14:07:35,254 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2024-11-05 14:07:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-05 14:07:35,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 14:07:35,255 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 14:07:35,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-05 14:07:35,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:07:35,456 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 14:07:35,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 14:07:35,457 INFO L85 PathProgramCache]: Analyzing trace with hash 998998288, now seen corresponding path program 3 times [2024-11-05 14:07:35,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 14:07:35,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329152351] [2024-11-05 14:07:35,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 14:07:35,457 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 14:07:35,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 14:07:35,458 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 14:07:35,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 14:07:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 14:07:40,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 2457 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-05 14:07:40,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 14:07:53,401 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 14:07:53,402 INFO L311 TraceCheckSpWp]: Computing backward predicates...