/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 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 02:35:54,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 02:35:54,755 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 02:35:54,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 02:35:54,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 02:35:54,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 02:35:54,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 02:35:54,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 02:35:54,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 02:35:54,799 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 02:35:54,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 02:35:54,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 02:35:54,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 02:35:54,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 02:35:54,803 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 02:35:54,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 02:35:54,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 02:35:54,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 02:35:54,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 02:35:54,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 02:35:54,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 02:35:54,810 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 02:35:54,810 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 02:35:54,810 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 02:35:54,810 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 02:35:54,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 02:35:54,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 02:35:54,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 02:35:54,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 02:35:54,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 02:35:54,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 02:35:54,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 02:35:54,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 02:35:54,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 02:35:54,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 02:35:54,818 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 02:35:54,819 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 02:35:54,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 02:35:54,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 02:35:54,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 02:35:54,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 02:35:54,822 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-05 02:35:55,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 02:35:55,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 02:35:55,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 02:35:55,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 02:35:55,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 02:35:55,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i [2024-11-05 02:35:56,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 02:35:57,121 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 02:35:57,122 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i [2024-11-05 02:35:57,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e48e2a54/9ef5efbbccde46c1b34eeab12c3c9e12/FLAGe1466d297 [2024-11-05 02:35:57,179 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e48e2a54/9ef5efbbccde46c1b34eeab12c3c9e12 [2024-11-05 02:35:57,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 02:35:57,185 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 02:35:57,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 02:35:57,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 02:35:57,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 02:35:57,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:35:57" (1/1) ... [2024-11-05 02:35:57,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42555733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:57, skipping insertion in model container [2024-11-05 02:35:57,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 02:35:57" (1/1) ... [2024-11-05 02:35:57,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 02:35:57,630 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2024-11-05 02:35:57,641 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2024-11-05 02:35:58,517 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 02:35:58,623 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 02:35:58,624 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 02:35:58,625 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 02:35:58,635 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:35:58,637 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:58,637 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:58,638 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:58,638 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 02:35:58,639 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:58,640 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:58,644 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 02:35:58,645 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 02:35:58,647 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 02:35:58,648 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 02:35:58,662 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:58,663 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 02:35:58,663 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:58,664 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 02:35:58,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:58,666 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 02:35:58,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:58,667 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 02:35:58,669 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:58,670 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 02:35:58,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:58,671 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 02:35:58,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:58,672 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,071 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 02:35:59,072 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 02:35:59,072 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 02:35:59,073 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 02:35:59,194 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 02:35:59,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:35:59,329 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 02:35:59,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 02:35:59,393 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2024-11-05 02:35:59,394 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2024-11-05 02:35:59,424 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 02:35:59,441 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 02:35:59,441 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 02:35:59,442 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 02:35:59,453 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 02:35:59,454 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,455 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,455 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,455 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 02:35:59,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,457 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 02:35:59,458 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 02:35:59,459 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 02:35:59,459 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 02:35:59,462 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,462 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 02:35:59,463 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,463 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 02:35:59,464 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,464 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 02:35:59,464 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,464 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 02:35:59,469 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,470 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 02:35:59,470 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,470 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 02:35:59,471 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,471 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,515 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 02:35:59,516 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 02:35:59,516 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 02:35:59,517 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 02:35:59,557 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 02:35:59,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:35:59,604 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 02:35:59,619 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2024-11-05 02:35:59,619 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2024-11-05 02:35:59,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,656 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,662 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,662 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,668 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,668 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,669 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,669 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,670 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,670 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 02:35:59,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7559-7570] [2024-11-05 02:35:59,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 02:35:59,931 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-05 02:35:59,941 INFO L204 MainTranslator]: Completed translation [2024-11-05 02:35:59,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59 WrapperNode [2024-11-05 02:35:59,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 02:35:59,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 02:35:59,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 02:35:59,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 02:35:59,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (1/1) ... [2024-11-05 02:36:00,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (1/1) ... [2024-11-05 02:36:00,099 INFO L138 Inliner]: procedures = 698, calls = 1512, calls flagged for inlining = 48, calls inlined = 7, statements flattened = 576 [2024-11-05 02:36:00,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 02:36:00,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 02:36:00,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 02:36:00,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 02:36:00,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (1/1) ... [2024-11-05 02:36:00,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (1/1) ... [2024-11-05 02:36:00,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (1/1) ... [2024-11-05 02:36:00,184 INFO L175 MemorySlicer]: Split 271 memory accesses to 4 slices as follows [2, 238, 5, 26]. 88 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 6, 5, 5]. The 237 writes are split as follows [0, 232, 0, 5]. [2024-11-05 02:36:00,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (1/1) ... [2024-11-05 02:36:00,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (1/1) ... [2024-11-05 02:36:00,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (1/1) ... [2024-11-05 02:36:00,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (1/1) ... [2024-11-05 02:36:00,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (1/1) ... [2024-11-05 02:36:00,244 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (1/1) ... [2024-11-05 02:36:00,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 02:36:00,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 02:36:00,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 02:36:00,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 02:36:00,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (1/1) ... [2024-11-05 02:36:00,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 02:36:00,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 02:36:00,309 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 02:36:00,315 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 02:36:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 02:36:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 02:36:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 02:36:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 02:36:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 02:36:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 02:36:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 02:36:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 02:36:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 02:36:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 02:36:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 02:36:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-05 02:36:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-05 02:36:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2024-11-05 02:36:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2024-11-05 02:36:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2024-11-05 02:36:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2024-11-05 02:36:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 02:36:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 02:36:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 02:36:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 02:36:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 02:36:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 02:36:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 02:36:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 02:36:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 02:36:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 02:36:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2024-11-05 02:36:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2024-11-05 02:36:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 02:36:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 02:36:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 02:36:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 02:36:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-05 02:36:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-05 02:36:00,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 02:36:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 02:36:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 02:36:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 02:36:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-05 02:36:00,413 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-05 02:36:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-05 02:36:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-05 02:36:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-05 02:36:00,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-05 02:36:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-05 02:36:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-05 02:36:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-05 02:36:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-05 02:36:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 02:36:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 02:36:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-05 02:36:00,415 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-05 02:36:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 02:36:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 02:36:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 02:36:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 02:36:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 02:36:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 02:36:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 02:36:00,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 02:36:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 02:36:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2024-11-05 02:36:00,416 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2024-11-05 02:36:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 02:36:00,416 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 02:36:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 02:36:00,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 02:36:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 02:36:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 02:36:00,417 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2024-11-05 02:36:00,417 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2024-11-05 02:36:00,760 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 02:36:00,763 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 02:36:08,314 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-05 02:36:08,314 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 02:36:08,331 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 02:36:08,331 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-05 02:36:08,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:36:08 BoogieIcfgContainer [2024-11-05 02:36:08,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 02:36:08,336 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 02:36:08,336 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 02:36:08,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 02:36:08,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 02:35:57" (1/3) ... [2024-11-05 02:36:08,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22cc870d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:36:08, skipping insertion in model container [2024-11-05 02:36:08,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 02:35:59" (2/3) ... [2024-11-05 02:36:08,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22cc870d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 02:36:08, skipping insertion in model container [2024-11-05 02:36:08,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 02:36:08" (3/3) ... [2024-11-05 02:36:08,342 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness_negated.i [2024-11-05 02:36:08,357 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 02:36:08,358 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-05 02:36:08,425 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 02:36:08,433 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;@d093e6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 02:36:08,434 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-05 02:36:08,441 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 02:36:08,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-05 02:36:08,454 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:36:08,455 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 02:36:08,455 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 02:36:08,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:36:08,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1864435119, now seen corresponding path program 1 times [2024-11-05 02:36:08,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:36:08,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654787620] [2024-11-05 02:36:08,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:36:08,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:36:08,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:36:08,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 02:36:08,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-05 02:36:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 02:36:14,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 2287 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 02:36:14,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 02:36:14,773 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-05 02:36:14,773 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 02:36:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-05 02:36:17,985 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 02:36:17,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654787620] [2024-11-05 02:36:17,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1654787620] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 02:36:17,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 02:36:17,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 02:36:17,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300291448] [2024-11-05 02:36:17,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 02:36:17,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 02:36:17,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 02:36:18,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 02:36:18,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 02:36:18,014 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 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 02:36:18,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 02:36:18,051 INFO L93 Difference]: Finished difference Result 281 states and 368 transitions. [2024-11-05 02:36:18,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 02:36:18,056 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 86 [2024-11-05 02:36:18,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 02:36:18,064 INFO L225 Difference]: With dead ends: 281 [2024-11-05 02:36:18,065 INFO L226 Difference]: Without dead ends: 139 [2024-11-05 02:36:18,069 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 02:36:18,072 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 02:36:18,072 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 02:36:18,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-05 02:36:18,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-05 02:36:18,124 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 02:36:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 166 transitions. [2024-11-05 02:36:18,128 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 166 transitions. Word has length 86 [2024-11-05 02:36:18,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 02:36:18,130 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 166 transitions. [2024-11-05 02:36:18,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 02:36:18,130 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 166 transitions. [2024-11-05 02:36:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-05 02:36:18,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 02:36:18,134 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 02:36:18,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-05 02:36:18,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 02:36:18,336 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 02:36:18,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 02:36:18,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1587862584, now seen corresponding path program 1 times [2024-11-05 02:36:18,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 02:36:18,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873152075] [2024-11-05 02:36:18,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 02:36:18,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 02:36:18,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 02:36:18,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 02:36:18,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-05 02:36:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 02:36:24,758 WARN L253 TraceCheckSpWp]: Trace formula consists of 2303 conjuncts, 1521 conjuncts are in the unsatisfiable core [2024-11-05 02:36:24,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 02:36:37,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-05 02:36:38,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-05 02:36:38,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-05 02:37:03,171 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 02:37:03,172 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 02:37:23,325 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 02:37:23,325 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 02:37:23,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873152075] [2024-11-05 02:37:23,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1873152075] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 02:37:23,325 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 02:37:23,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 5] imperfect sequences [] total 15 [2024-11-05 02:37:23,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101735849] [2024-11-05 02:37:23,326 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 02:37:23,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-05 02:37:23,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 02:37:23,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-05 02:37:23,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-05 02:37:23,330 INFO L87 Difference]: Start difference. First operand 139 states and 166 transitions. Second operand has 15 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 5 states have call successors, (32), 4 states have call predecessors, (32), 6 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-11-05 02:37:27,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]