/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_clean_up_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 14:28:10,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 14:28:10,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 14:28:10,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 14:28:10,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 14:28:10,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 14:28:10,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 14:28:10,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 14:28:10,972 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 14:28:10,973 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 14:28:10,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 14:28:10,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 14:28:10,976 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 14:28:10,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 14:28:10,981 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 14:28:10,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 14:28:10,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 14:28:10,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 14:28:10,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 14:28:10,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 14:28:10,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 14:28:10,983 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 14:28:10,983 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 14:28:10,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 14:28:10,983 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 14:28:10,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 14:28:10,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 14:28:10,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 14:28:10,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 14:28:10,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 14:28:10,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 14:28:10,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:28:10,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 14:28:10,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 14:28:10,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 14:28:10,988 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 14:28:10,988 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 14:28:10,989 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 14:28:10,989 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 14:28:10,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 14:28:10,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 14:28:10,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 14:28:11,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 14:28:11,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 14:28:11,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 14:28:11,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 14:28:11,311 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 14:28:11,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_clean_up_harness.i [2024-11-06 14:28:12,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 14:28:13,456 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 14:28:13,458 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_clean_up_harness.i [2024-11-06 14:28:13,509 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee839b6a6/606c14967ff04d97827fa64e743b94cd/FLAGdbfc3e3bc [2024-11-06 14:28:13,529 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee839b6a6/606c14967ff04d97827fa64e743b94cd [2024-11-06 14:28:13,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 14:28:13,533 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 14:28:13,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 14:28:13,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 14:28:13,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 14:28:13,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:28:13" (1/1) ... [2024-11-06 14:28:13,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f8c0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:13, skipping insertion in model container [2024-11-06 14:28:13,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:28:13" (1/1) ... [2024-11-06 14:28:13,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:28:14,064 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_clean_up_harness.i[4498,4511] [2024-11-06 14:28:14,080 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_clean_up_harness.i[4558,4571] [2024-11-06 14:28:15,287 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,467 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,468 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,469 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,475 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,477 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:15,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:15,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:15,479 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,480 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:15,481 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:15,483 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,484 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,486 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,487 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:15,496 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,496 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:15,497 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:15,499 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:15,499 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:15,500 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,168 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,169 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,170 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,170 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,323 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,339 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,343 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,349 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,412 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,413 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,415 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:16,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:16,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:28:16,654 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 14:28:16,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:28:16,746 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_clean_up_harness.i[4498,4511] [2024-11-06 14:28:16,747 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_clean_up_harness.i[4558,4571] [2024-11-06 14:28:16,782 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,806 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,814 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:16,817 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:16,817 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:16,818 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,836 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:16,837 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:16,838 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,839 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,843 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,843 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,850 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:16,851 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:16,852 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,852 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:16,853 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:16,853 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,922 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,923 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,923 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,923 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,974 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,987 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,995 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:16,999 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:17,035 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:17,036 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:17,037 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:28:17,038 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,038 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:28:17,143 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 14:28:17,166 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_clean_up_harness.i[4498,4511] [2024-11-06 14:28:17,167 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_clean_up_harness.i[4558,4571] [2024-11-06 14:28:17,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,216 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,219 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,220 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,232 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-06 14:28:17,359 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,359 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:28:17,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8995-9006] [2024-11-06 14:28:17,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:28:17,640 INFO L204 MainTranslator]: Completed translation [2024-11-06 14:28:17,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17 WrapperNode [2024-11-06 14:28:17,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 14:28:17,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 14:28:17,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 14:28:17,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 14:28:17,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (1/1) ... [2024-11-06 14:28:17,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (1/1) ... [2024-11-06 14:28:17,841 INFO L138 Inliner]: procedures = 700, calls = 2872, calls flagged for inlining = 56, calls inlined = 6, statements flattened = 818 [2024-11-06 14:28:17,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 14:28:17,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 14:28:17,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 14:28:17,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 14:28:17,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (1/1) ... [2024-11-06 14:28:17,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (1/1) ... [2024-11-06 14:28:17,866 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (1/1) ... [2024-11-06 14:28:17,978 INFO L175 MemorySlicer]: Split 531 memory accesses to 5 slices as follows [2, 257, 238, 28, 6]. 48 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 0, 6, 5, 5]. The 494 writes are split as follows [0, 257, 232, 5, 0]. [2024-11-06 14:28:17,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (1/1) ... [2024-11-06 14:28:17,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (1/1) ... [2024-11-06 14:28:18,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (1/1) ... [2024-11-06 14:28:18,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (1/1) ... [2024-11-06 14:28:18,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (1/1) ... [2024-11-06 14:28:18,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (1/1) ... [2024-11-06 14:28:18,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 14:28:18,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 14:28:18,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 14:28:18,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 14:28:18,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (1/1) ... [2024-11-06 14:28:18,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:28:18,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:28:18,124 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) [2024-11-06 14:28:18,131 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 [2024-11-06 14:28:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 14:28:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 14:28:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 14:28:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 14:28:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 14:28:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 14:28:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 14:28:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 14:28:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 14:28:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 14:28:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 14:28:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-06 14:28:18,157 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-06 14:28:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 14:28:18,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 14:28:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 14:28:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 14:28:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 14:28:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 14:28:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 14:28:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 14:28:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 14:28:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-06 14:28:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-06 14:28:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 14:28:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 14:28:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 14:28:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 14:28:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-06 14:28:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-06 14:28:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 14:28:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 14:28:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 14:28:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 14:28:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 14:28:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-06 14:28:18,159 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-06 14:28:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2024-11-06 14:28:18,160 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2024-11-06 14:28:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-06 14:28:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-06 14:28:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-06 14:28:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-06 14:28:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-06 14:28:18,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-06 14:28:18,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-06 14:28:18,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-06 14:28:18,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-06 14:28:18,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-06 14:28:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 14:28:18,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 14:28:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 14:28:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 14:28:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 14:28:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 14:28:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 14:28:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 14:28:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 14:28:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 14:28:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 14:28:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 14:28:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 14:28:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-06 14:28:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-06 14:28:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-06 14:28:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-06 14:28:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-06 14:28:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-06 14:28:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 14:28:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 14:28:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 14:28:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 14:28:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 14:28:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2024-11-06 14:28:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2024-11-06 14:28:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 14:28:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 14:28:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 14:28:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 14:28:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 14:28:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-06 14:28:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-06 14:28:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2024-11-06 14:28:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2024-11-06 14:28:18,492 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 14:28:18,494 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 14:28:27,528 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-06 14:28:27,528 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 14:28:27,546 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 14:28:27,547 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-06 14:28:27,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:28:27 BoogieIcfgContainer [2024-11-06 14:28:27,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 14:28:27,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 14:28:27,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 14:28:27,556 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 14:28:27,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:28:13" (1/3) ... [2024-11-06 14:28:27,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc9edb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:28:27, skipping insertion in model container [2024-11-06 14:28:27,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:28:17" (2/3) ... [2024-11-06 14:28:27,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc9edb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:28:27, skipping insertion in model container [2024-11-06 14:28:27,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:28:27" (3/3) ... [2024-11-06 14:28:27,559 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness.i [2024-11-06 14:28:27,581 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 14:28:27,582 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-06 14:28:27,667 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 14:28:27,672 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;@688aa0a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 14:28:27,673 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-06 14:28:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 97 states have (on average 1.2577319587628866) internal successors, (122), 100 states have internal predecessors, (122), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-06 14:28:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-06 14:28:27,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:28:27,686 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-06 14:28:27,686 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-06 14:28:27,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:28:27,692 INFO L85 PathProgramCache]: Analyzing trace with hash -571381307, now seen corresponding path program 1 times [2024-11-06 14:28:27,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:28:27,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [434863718] [2024-11-06 14:28:27,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:28:27,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:28:27,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:28:27,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 14:28:27,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 14:29:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:29:44,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 4045 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 14:29:44,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:29:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-06 14:29:46,303 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:29:46,303 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:29:46,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434863718] [2024-11-06 14:29:46,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434863718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:29:46,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:29:46,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 14:29:46,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862725822] [2024-11-06 14:29:46,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:29:46,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 14:29:46,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:29:46,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 14:29:46,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 14:29:46,328 INFO L87 Difference]: Start difference. First operand has 149 states, 97 states have (on average 1.2577319587628866) internal successors, (122), 100 states have internal predecessors, (122), 33 states have call successors, (33), 15 states have call predecessors, (33), 15 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 14:29:47,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:29:47,598 INFO L93 Difference]: Finished difference Result 284 states and 387 transitions. [2024-11-06 14:29:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 14:29:47,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 55 [2024-11-06 14:29:47,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:29:47,615 INFO L225 Difference]: With dead ends: 284 [2024-11-06 14:29:47,615 INFO L226 Difference]: Without dead ends: 145 [2024-11-06 14:29:47,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-06 14:29:47,622 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 13 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-06 14:29:47,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 833 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-06 14:29:47,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-06 14:29:47,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-06 14:29:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 92 states have (on average 1.184782608695652) internal successors, (109), 97 states have internal predecessors, (109), 33 states have call successors, (33), 15 states have call predecessors, (33), 16 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2024-11-06 14:29:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 175 transitions. [2024-11-06 14:29:47,664 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 175 transitions. Word has length 55 [2024-11-06 14:29:47,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:29:47,665 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 175 transitions. [2024-11-06 14:29:47,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-06 14:29:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 175 transitions. [2024-11-06 14:29:47,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-06 14:29:47,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:29:47,667 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-06 14:29:47,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 14:29:47,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:29:47,868 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_store_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION, aws_atomic_load_ptr_explicitErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2024-11-06 14:29:47,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:29:47,869 INFO L85 PathProgramCache]: Analyzing trace with hash -534425487, now seen corresponding path program 1 times [2024-11-06 14:29:47,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:29:47,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [114503101] [2024-11-06 14:29:47,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:29:47,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:29:47,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:29:47,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 14:29:47,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process