./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_acquire_harness.i --full-output --preprocessor.use.memory.slicer false --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version abd6749d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_acquire_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 29d7fb95278c2cc136033d841944b6b6554a35073619295af30129693cec9c54 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 09:05:27,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 09:05:27,965 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 09:05:27,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 09:05:27,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 09:05:27,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 09:05:27,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 09:05:27,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 09:05:27,996 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 09:05:28,000 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 09:05:28,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 09:05:28,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 09:05:28,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 09:05:28,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 09:05:28,003 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 09:05:28,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 09:05:28,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 09:05:28,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 09:05:28,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 09:05:28,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 09:05:28,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 09:05:28,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 09:05:28,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 09:05:28,005 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 09:05:28,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 09:05:28,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 09:05:28,006 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 09:05:28,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 09:05:28,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 09:05:28,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 09:05:28,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 09:05:28,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 09:05:28,008 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 09:05:28,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 09:05:28,008 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 09:05:28,008 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 09:05:28,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 09:05:28,008 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 09:05:28,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 09:05:28,009 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29d7fb95278c2cc136033d841944b6b6554a35073619295af30129693cec9c54 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 09:05:28,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 09:05:28,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 09:05:28,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 09:05:28,267 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 09:05:28,268 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 09:05:28,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_acquire_harness.i [2023-11-23 09:05:29,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 09:05:29,789 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 09:05:29,789 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_acquire_harness.i [2023-11-23 09:05:29,819 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f237ba0b3/8b176b575bd54008b076210b4ba5cb47/FLAG08a5fe87c [2023-11-23 09:05:29,833 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f237ba0b3/8b176b575bd54008b076210b4ba5cb47 [2023-11-23 09:05:29,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 09:05:29,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 09:05:29,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 09:05:29,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 09:05:29,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 09:05:29,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:05:29" (1/1) ... [2023-11-23 09:05:29,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d006b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:29, skipping insertion in model container [2023-11-23 09:05:29,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:05:29" (1/1) ... [2023-11-23 09:05:29,916 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 09:05:30,169 WARN L240 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_acquire_harness.i[4497,4510] [2023-11-23 09:05:30,175 WARN L240 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_acquire_harness.i[4557,4570] [2023-11-23 09:05:30,700 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:30,701 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:30,701 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:30,702 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:30,702 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:30,711 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:30,711 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:30,712 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:30,713 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:30,916 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 09:05:30,918 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 09:05:30,918 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 09:05:30,919 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 09:05:30,920 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 09:05:30,921 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 09:05:30,921 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 09:05:30,922 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 09:05:30,922 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 09:05:30,922 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 09:05:31,183 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,184 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 09:05:31,363 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 09:05:31,379 WARN L240 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_acquire_harness.i[4497,4510] [2023-11-23 09:05:31,379 WARN L240 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_acquire_harness.i[4557,4570] [2023-11-23 09:05:31,413 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,413 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,413 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,414 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,414 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,422 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,422 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,423 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,423 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,450 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 09:05:31,451 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 09:05:31,452 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 09:05:31,452 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 09:05:31,453 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 09:05:31,454 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 09:05:31,454 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 09:05:31,454 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 09:05:31,455 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 09:05:31,455 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 09:05:31,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2023-11-23 09:05:31,519 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,519 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:05:31,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8989-9000] [2023-11-23 09:05:31,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 09:05:31,747 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,747 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,747 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,748 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,748 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,748 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,748 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,748 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,748 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,749 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,749 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,749 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,749 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,749 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,750 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,750 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,750 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,750 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:05:31,756 INFO L206 MainTranslator]: Completed translation [2023-11-23 09:05:31,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31 WrapperNode [2023-11-23 09:05:31,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 09:05:31,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 09:05:31,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 09:05:31,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 09:05:31,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31" (1/1) ... [2023-11-23 09:05:31,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31" (1/1) ... [2023-11-23 09:05:31,959 INFO L138 Inliner]: procedures = 694, calls = 2939, calls flagged for inlining = 62, calls inlined = 12, statements flattened = 1179 [2023-11-23 09:05:31,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 09:05:31,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 09:05:31,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 09:05:31,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 09:05:31,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31" (1/1) ... [2023-11-23 09:05:31,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31" (1/1) ... [2023-11-23 09:05:31,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31" (1/1) ... [2023-11-23 09:05:31,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31" (1/1) ... [2023-11-23 09:05:32,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31" (1/1) ... [2023-11-23 09:05:32,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31" (1/1) ... [2023-11-23 09:05:32,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31" (1/1) ... [2023-11-23 09:05:32,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31" (1/1) ... [2023-11-23 09:05:32,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 09:05:32,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 09:05:32,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 09:05:32,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 09:05:32,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31" (1/1) ... [2023-11-23 09:05:32,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 09:05:32,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:05:32,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 09:05:32,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 09:05:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-23 09:05:32,188 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-23 09:05:32,188 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2023-11-23 09:05:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-11-23 09:05:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 09:05:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 09:05:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 09:05:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-11-23 09:05:32,189 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-11-23 09:05:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 09:05:32,189 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 09:05:32,190 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 09:05:32,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 09:05:32,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 09:05:32,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 09:05:32,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 09:05:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 09:05:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-11-23 09:05:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-11-23 09:05:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 09:05:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 09:05:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 09:05:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 09:05:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2023-11-23 09:05:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2023-11-23 09:05:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 09:05:32,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 09:05:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2023-11-23 09:05:32,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2023-11-23 09:05:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 09:05:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 09:05:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 09:05:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-11-23 09:05:32,194 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-11-23 09:05:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2023-11-23 09:05:32,194 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2023-11-23 09:05:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 09:05:32,195 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 09:05:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2023-11-23 09:05:32,195 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2023-11-23 09:05:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2023-11-23 09:05:32,195 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2023-11-23 09:05:32,195 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 09:05:32,195 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 09:05:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 09:05:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2023-11-23 09:05:32,196 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2023-11-23 09:05:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-11-23 09:05:32,196 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-11-23 09:05:32,196 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2023-11-23 09:05:32,196 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2023-11-23 09:05:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2023-11-23 09:05:32,197 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2023-11-23 09:05:32,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 09:05:32,471 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 09:05:32,474 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 09:05:33,514 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 09:05:33,620 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 09:05:33,620 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 09:05:33,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:05:33 BoogieIcfgContainer [2023-11-23 09:05:33,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 09:05:33,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 09:05:33,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 09:05:33,625 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 09:05:33,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:05:29" (1/3) ... [2023-11-23 09:05:33,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fd8e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:05:33, skipping insertion in model container [2023-11-23 09:05:33,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:31" (2/3) ... [2023-11-23 09:05:33,626 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fd8e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:05:33, skipping insertion in model container [2023-11-23 09:05:33,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:05:33" (3/3) ... [2023-11-23 09:05:33,628 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2023-11-23 09:05:33,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 09:05:33,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 09:05:33,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 09:05:33,687 INFO L357 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, mHoare=true, 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;@63511cad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 09:05:33,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 09:05:33,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 364 states, 199 states have (on average 1.236180904522613) internal successors, (246), 202 states have internal predecessors, (246), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2023-11-23 09:05:33,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 09:05:33,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:33,699 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2023-11-23 09:05:33,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:05:33,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:05:33,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1187789210, now seen corresponding path program 1 times [2023-11-23 09:05:33,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:05:33,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15227063] [2023-11-23 09:05:33,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:33,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:05:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:34,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:05:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:34,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:34,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:34,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:05:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:34,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:05:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:05:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:34,302 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 09:05:34,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:05:34,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15227063] [2023-11-23 09:05:34,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15227063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:05:34,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:05:34,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 09:05:34,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949096495] [2023-11-23 09:05:34,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:05:34,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 09:05:34,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:05:34,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 09:05:34,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 09:05:34,345 INFO L87 Difference]: Start difference. First operand has 364 states, 199 states have (on average 1.236180904522613) internal successors, (246), 202 states have internal predecessors, (246), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 09:05:35,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:05:35,146 INFO L93 Difference]: Finished difference Result 724 states and 1166 transitions. [2023-11-23 09:05:35,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 09:05:35,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-11-23 09:05:35,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:05:35,159 INFO L225 Difference]: With dead ends: 724 [2023-11-23 09:05:35,159 INFO L226 Difference]: Without dead ends: 362 [2023-11-23 09:05:35,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 09:05:35,167 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 117 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 09:05:35,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 517 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 09:05:35,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2023-11-23 09:05:35,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2023-11-23 09:05:35,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 198 states have (on average 1.2121212121212122) internal successors, (240), 201 states have internal predecessors, (240), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2023-11-23 09:05:35,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 523 transitions. [2023-11-23 09:05:35,222 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 523 transitions. Word has length 47 [2023-11-23 09:05:35,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:05:35,223 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 523 transitions. [2023-11-23 09:05:35,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 09:05:35,224 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 523 transitions. [2023-11-23 09:05:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 09:05:35,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:35,226 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2023-11-23 09:05:35,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 09:05:35,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:05:35,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:05:35,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1211063272, now seen corresponding path program 1 times [2023-11-23 09:05:35,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:05:35,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095549755] [2023-11-23 09:05:35,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:35,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:05:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:35,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:35,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:05:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:35,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:35,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:05:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:35,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:05:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:35,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:05:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:35,733 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-23 09:05:35,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:05:35,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095549755] [2023-11-23 09:05:35,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095549755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:05:35,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:05:35,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 09:05:35,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275324834] [2023-11-23 09:05:35,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:05:35,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 09:05:35,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:05:35,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 09:05:35,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:05:35,737 INFO L87 Difference]: Start difference. First operand 362 states and 523 transitions. Second operand has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 09:05:37,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:05:37,472 INFO L93 Difference]: Finished difference Result 720 states and 1091 transitions. [2023-11-23 09:05:37,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 09:05:37,473 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 47 [2023-11-23 09:05:37,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:05:37,478 INFO L225 Difference]: With dead ends: 720 [2023-11-23 09:05:37,478 INFO L226 Difference]: Without dead ends: 373 [2023-11-23 09:05:37,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-11-23 09:05:37,482 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 154 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 1831 SdHoareTripleChecker+Invalid, 1689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-23 09:05:37,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 1831 Invalid, 1689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1547 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-23 09:05:37,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-11-23 09:05:37,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2023-11-23 09:05:37,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 206 states have (on average 1.2184466019417475) internal successors, (251), 209 states have internal predecessors, (251), 143 states have call successors, (143), 22 states have call predecessors, (143), 22 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2023-11-23 09:05:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 536 transitions. [2023-11-23 09:05:37,530 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 536 transitions. Word has length 47 [2023-11-23 09:05:37,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:05:37,530 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 536 transitions. [2023-11-23 09:05:37,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 09:05:37,531 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 536 transitions. [2023-11-23 09:05:37,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 09:05:37,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:37,532 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:05:37,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 09:05:37,533 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:05:37,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:05:37,533 INFO L85 PathProgramCache]: Analyzing trace with hash -600028022, now seen corresponding path program 1 times [2023-11-23 09:05:37,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:05:37,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371816767] [2023-11-23 09:05:37,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:37,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:05:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:37,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:05:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:37,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:37,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:37,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:05:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:37,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:05:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:37,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:05:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:37,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:05:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:37,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:38,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:05:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:38,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:38,042 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 09:05:38,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:05:38,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371816767] [2023-11-23 09:05:38,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371816767] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:05:38,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770309400] [2023-11-23 09:05:38,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:38,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:38,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:05:38,045 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) [2023-11-23 09:05:38,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 09:05:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:38,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 2556 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 09:05:38,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:05:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-23 09:05:38,529 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:05:38,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770309400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:05:38,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:05:38,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-11-23 09:05:38,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657608183] [2023-11-23 09:05:38,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:05:38,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:05:38,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:05:38,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:05:38,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:05:38,531 INFO L87 Difference]: Start difference. First operand 373 states and 536 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 09:05:39,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:05:39,657 INFO L93 Difference]: Finished difference Result 388 states and 554 transitions. [2023-11-23 09:05:39,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:05:39,657 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 77 [2023-11-23 09:05:39,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:05:39,659 INFO L225 Difference]: With dead ends: 388 [2023-11-23 09:05:39,660 INFO L226 Difference]: Without dead ends: 385 [2023-11-23 09:05:39,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-23 09:05:39,661 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 24 mSDsluCounter, 2463 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2963 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-23 09:05:39,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2963 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-23 09:05:39,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2023-11-23 09:05:39,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2023-11-23 09:05:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 215 states have (on average 1.2279069767441861) internal successors, (264), 218 states have internal predecessors, (264), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2023-11-23 09:05:39,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 551 transitions. [2023-11-23 09:05:39,676 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 551 transitions. Word has length 77 [2023-11-23 09:05:39,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:05:39,676 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 551 transitions. [2023-11-23 09:05:39,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 09:05:39,677 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 551 transitions. [2023-11-23 09:05:39,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-23 09:05:39,683 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:39,683 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:05:39,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 09:05:39,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:39,898 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:05:39,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:05:39,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1859964895, now seen corresponding path program 1 times [2023-11-23 09:05:39,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:05:39,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050210235] [2023-11-23 09:05:39,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:39,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:05:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:05:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:05:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:05:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:05:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:05:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:05:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:05:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 09:05:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 09:05:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-23 09:05:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-23 09:05:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 09:05:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 09:05:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-23 09:05:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 09:05:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 09:05:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-23 09:05:40,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:05:40,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050210235] [2023-11-23 09:05:40,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050210235] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:05:40,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526069842] [2023-11-23 09:05:40,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:40,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:40,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:05:40,642 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) [2023-11-23 09:05:40,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 09:05:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:41,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 09:05:41,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:05:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-11-23 09:05:41,200 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:05:41,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526069842] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:05:41,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:05:41,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-23 09:05:41,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805502473] [2023-11-23 09:05:41,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:05:41,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 09:05:41,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:05:41,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 09:05:41,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:05:41,203 INFO L87 Difference]: Start difference. First operand 385 states and 551 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 09:05:41,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:05:41,698 INFO L93 Difference]: Finished difference Result 739 states and 1072 transitions. [2023-11-23 09:05:41,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 09:05:41,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 223 [2023-11-23 09:05:41,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:05:41,701 INFO L225 Difference]: With dead ends: 739 [2023-11-23 09:05:41,702 INFO L226 Difference]: Without dead ends: 389 [2023-11-23 09:05:41,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-23 09:05:41,705 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 3 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 09:05:41,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1487 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 09:05:41,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2023-11-23 09:05:41,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 387. [2023-11-23 09:05:41,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 217 states have (on average 1.2258064516129032) internal successors, (266), 220 states have internal predecessors, (266), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2023-11-23 09:05:41,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 553 transitions. [2023-11-23 09:05:41,719 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 553 transitions. Word has length 223 [2023-11-23 09:05:41,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:05:41,720 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 553 transitions. [2023-11-23 09:05:41,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 09:05:41,720 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 553 transitions. [2023-11-23 09:05:41,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-23 09:05:41,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:41,723 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:05:41,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 09:05:41,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-23 09:05:41,940 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:05:41,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:05:41,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1544913823, now seen corresponding path program 1 times [2023-11-23 09:05:41,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:05:41,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082561969] [2023-11-23 09:05:41,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:41,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:05:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:05:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:05:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:05:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:05:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:05:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:05:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:05:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 09:05:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 09:05:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-23 09:05:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-23 09:05:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 09:05:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 09:05:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-23 09:05:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 09:05:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 09:05:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-23 09:05:42,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:05:42,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082561969] [2023-11-23 09:05:42,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082561969] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:05:42,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907053365] [2023-11-23 09:05:42,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:42,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:42,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:05:42,648 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:05:42,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 09:05:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:43,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 3185 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 09:05:43,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:05:43,263 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-11-23 09:05:43,263 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:05:43,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907053365] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:05:43,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:05:43,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-11-23 09:05:43,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942135570] [2023-11-23 09:05:43,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:05:43,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:05:43,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:05:43,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:05:43,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:05:43,266 INFO L87 Difference]: Start difference. First operand 387 states and 553 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 09:05:44,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:05:44,040 INFO L93 Difference]: Finished difference Result 716 states and 1028 transitions. [2023-11-23 09:05:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:05:44,041 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 223 [2023-11-23 09:05:44,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:05:44,044 INFO L225 Difference]: With dead ends: 716 [2023-11-23 09:05:44,044 INFO L226 Difference]: Without dead ends: 396 [2023-11-23 09:05:44,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-23 09:05:44,046 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 15 mSDsluCounter, 2467 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2967 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 09:05:44,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2967 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 09:05:44,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-11-23 09:05:44,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2023-11-23 09:05:44,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 223 states have (on average 1.2242152466367713) internal successors, (273), 226 states have internal predecessors, (273), 145 states have call successors, (145), 26 states have call predecessors, (145), 26 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2023-11-23 09:05:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 562 transitions. [2023-11-23 09:05:44,060 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 562 transitions. Word has length 223 [2023-11-23 09:05:44,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:05:44,060 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 562 transitions. [2023-11-23 09:05:44,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 09:05:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 562 transitions. [2023-11-23 09:05:44,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-11-23 09:05:44,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:44,063 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:05:44,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 09:05:44,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:44,277 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:05:44,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:05:44,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1490779264, now seen corresponding path program 1 times [2023-11-23 09:05:44,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:05:44,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127618209] [2023-11-23 09:05:44,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:44,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:05:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:05:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:05:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:05:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:05:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:05:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:05:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:05:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 09:05:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 09:05:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-23 09:05:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-23 09:05:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 09:05:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 09:05:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-23 09:05:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 09:05:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 09:05:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-23 09:05:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 09:05:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2023-11-23 09:05:44,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:05:44,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127618209] [2023-11-23 09:05:44,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127618209] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:05:44,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695161227] [2023-11-23 09:05:44,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:44,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:44,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:05:44,911 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:05:44,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 09:05:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:45,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 3235 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 09:05:45,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:05:45,599 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-11-23 09:05:45,599 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:05:45,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695161227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:05:45,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:05:45,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2023-11-23 09:05:45,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228685714] [2023-11-23 09:05:45,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:05:45,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:05:45,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:05:45,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:05:45,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-23 09:05:45,602 INFO L87 Difference]: Start difference. First operand 396 states and 562 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2023-11-23 09:05:45,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:05:45,939 INFO L93 Difference]: Finished difference Result 759 states and 1090 transitions. [2023-11-23 09:05:45,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 09:05:45,939 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 231 [2023-11-23 09:05:45,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:05:45,945 INFO L225 Difference]: With dead ends: 759 [2023-11-23 09:05:45,945 INFO L226 Difference]: Without dead ends: 398 [2023-11-23 09:05:45,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:05:45,948 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 143 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1624 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:05:45,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1624 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 09:05:45,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-11-23 09:05:45,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2023-11-23 09:05:45,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 224 states have (on average 1.2232142857142858) internal successors, (274), 228 states have internal predecessors, (274), 145 states have call successors, (145), 26 states have call predecessors, (145), 27 states have return successors, (153), 144 states have call predecessors, (153), 144 states have call successors, (153) [2023-11-23 09:05:45,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 572 transitions. [2023-11-23 09:05:45,968 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 572 transitions. Word has length 231 [2023-11-23 09:05:45,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:05:45,969 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 572 transitions. [2023-11-23 09:05:45,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2023-11-23 09:05:45,969 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 572 transitions. [2023-11-23 09:05:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-23 09:05:45,972 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:45,972 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:05:45,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 09:05:46,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:46,188 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:05:46,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:05:46,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1011549657, now seen corresponding path program 1 times [2023-11-23 09:05:46,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:05:46,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830944867] [2023-11-23 09:05:46,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:46,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:05:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:05:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:05:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:05:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:05:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:05:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:05:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:05:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 09:05:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 09:05:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 09:05:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-23 09:05:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 09:05:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 09:05:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 09:05:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 09:05:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-23 09:05:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-23 09:05:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-23 09:05:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2023-11-23 09:05:46,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:05:46,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830944867] [2023-11-23 09:05:46,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830944867] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:05:46,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737875006] [2023-11-23 09:05:46,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:46,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:46,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:05:46,794 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:05:46,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 09:05:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:47,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 3251 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 09:05:47,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:05:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-23 09:05:47,493 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:05:47,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737875006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:05:47,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:05:47,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-11-23 09:05:47,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837798115] [2023-11-23 09:05:47,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:05:47,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:05:47,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:05:47,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:05:47,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:05:47,496 INFO L87 Difference]: Start difference. First operand 398 states and 572 transitions. Second operand has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2023-11-23 09:05:48,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:05:48,243 INFO L93 Difference]: Finished difference Result 740 states and 1070 transitions. [2023-11-23 09:05:48,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:05:48,244 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) Word has length 233 [2023-11-23 09:05:48,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:05:48,246 INFO L225 Difference]: With dead ends: 740 [2023-11-23 09:05:48,246 INFO L226 Difference]: Without dead ends: 398 [2023-11-23 09:05:48,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-11-23 09:05:48,249 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 190 mSDsluCounter, 1501 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 09:05:48,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 1965 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 09:05:48,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-11-23 09:05:48,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2023-11-23 09:05:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 224 states have (on average 1.2232142857142858) internal successors, (274), 228 states have internal predecessors, (274), 145 states have call successors, (145), 26 states have call predecessors, (145), 27 states have return successors, (146), 144 states have call predecessors, (146), 144 states have call successors, (146) [2023-11-23 09:05:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 565 transitions. [2023-11-23 09:05:48,265 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 565 transitions. Word has length 233 [2023-11-23 09:05:48,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:05:48,266 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 565 transitions. [2023-11-23 09:05:48,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2023-11-23 09:05:48,266 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 565 transitions. [2023-11-23 09:05:48,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-23 09:05:48,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:48,268 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:05:48,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 09:05:48,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:48,484 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:05:48,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:05:48,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1370736160, now seen corresponding path program 1 times [2023-11-23 09:05:48,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:05:48,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925232315] [2023-11-23 09:05:48,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:48,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:05:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:05:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:05:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:05:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:05:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:05:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:05:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:05:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 09:05:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 09:05:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 09:05:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-23 09:05:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 09:05:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 09:05:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-23 09:05:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-23 09:05:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-23 09:05:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-23 09:05:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-23 09:05:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-11-23 09:05:49,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:05:49,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925232315] [2023-11-23 09:05:49,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925232315] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:05:49,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844542619] [2023-11-23 09:05:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:49,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:49,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:05:49,072 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:05:49,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 09:05:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:49,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 3267 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 09:05:49,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:05:49,657 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-23 09:05:49,657 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:05:49,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844542619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:05:49,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:05:49,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2023-11-23 09:05:49,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114736433] [2023-11-23 09:05:49,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:05:49,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:05:49,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:05:49,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:05:49,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:05:49,659 INFO L87 Difference]: Start difference. First operand 398 states and 565 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:05:50,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:05:50,372 INFO L93 Difference]: Finished difference Result 797 states and 1135 transitions. [2023-11-23 09:05:50,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:05:50,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 235 [2023-11-23 09:05:50,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:05:50,375 INFO L225 Difference]: With dead ends: 797 [2023-11-23 09:05:50,375 INFO L226 Difference]: Without dead ends: 410 [2023-11-23 09:05:50,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-23 09:05:50,378 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 6 mSDsluCounter, 1929 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2419 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 09:05:50,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2419 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 09:05:50,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2023-11-23 09:05:50,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 406. [2023-11-23 09:05:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 229 states have (on average 1.2139737991266375) internal successors, (278), 233 states have internal predecessors, (278), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (148), 145 states have call predecessors, (148), 145 states have call successors, (148) [2023-11-23 09:05:50,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 572 transitions. [2023-11-23 09:05:50,395 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 572 transitions. Word has length 235 [2023-11-23 09:05:50,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:05:50,396 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 572 transitions. [2023-11-23 09:05:50,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:05:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 572 transitions. [2023-11-23 09:05:50,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-23 09:05:50,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:50,400 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:05:50,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 09:05:50,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:50,617 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:05:50,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:05:50,617 INFO L85 PathProgramCache]: Analyzing trace with hash 900394812, now seen corresponding path program 1 times [2023-11-23 09:05:50,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:05:50,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865560456] [2023-11-23 09:05:50,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:50,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:05:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:05:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:05:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:05:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:05:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:05:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 09:05:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 09:05:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 09:05:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 09:05:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-23 09:05:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 09:05:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 09:05:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 09:05:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 09:05:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-23 09:05:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-23 09:05:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-23 09:05:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 09:05:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-11-23 09:05:51,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:05:51,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865560456] [2023-11-23 09:05:51,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865560456] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:05:51,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494088716] [2023-11-23 09:05:51,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:51,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:51,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:05:51,321 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:05:51,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 09:05:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:51,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 3271 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:05:51,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:05:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-23 09:05:51,947 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:05:51,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494088716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:05:51,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:05:51,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-23 09:05:51,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448900485] [2023-11-23 09:05:51,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:05:51,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:05:51,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:05:51,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:05:51,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:05:51,949 INFO L87 Difference]: Start difference. First operand 406 states and 572 transitions. Second operand has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:05:52,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:05:52,789 INFO L93 Difference]: Finished difference Result 807 states and 1136 transitions. [2023-11-23 09:05:52,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:05:52,790 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 237 [2023-11-23 09:05:52,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:05:52,792 INFO L225 Difference]: With dead ends: 807 [2023-11-23 09:05:52,792 INFO L226 Difference]: Without dead ends: 410 [2023-11-23 09:05:52,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-11-23 09:05:52,794 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 18 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2396 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 09:05:52,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2396 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 09:05:52,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2023-11-23 09:05:52,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 408. [2023-11-23 09:05:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 230 states have (on average 1.208695652173913) internal successors, (278), 235 states have internal predecessors, (278), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2023-11-23 09:05:52,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 573 transitions. [2023-11-23 09:05:52,809 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 573 transitions. Word has length 237 [2023-11-23 09:05:52,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:05:52,809 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 573 transitions. [2023-11-23 09:05:52,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:05:52,810 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 573 transitions. [2023-11-23 09:05:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-23 09:05:52,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:52,811 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:05:52,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 09:05:53,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:53,030 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:05:53,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:05:53,031 INFO L85 PathProgramCache]: Analyzing trace with hash -405952472, now seen corresponding path program 1 times [2023-11-23 09:05:53,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:05:53,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020604739] [2023-11-23 09:05:53,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:53,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:05:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:05:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:05:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:05:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:05:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:05:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 09:05:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 09:05:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 09:05:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 09:05:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-23 09:05:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-23 09:05:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 09:05:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-23 09:05:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 09:05:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-23 09:05:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-23 09:05:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-23 09:05:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-23 09:05:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2023-11-23 09:05:53,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:05:53,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020604739] [2023-11-23 09:05:53,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020604739] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:05:53,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426691066] [2023-11-23 09:05:53,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:53,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:53,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:05:53,748 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:05:53,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 09:05:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:54,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 3275 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:05:54,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:05:54,393 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-23 09:05:54,394 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:05:54,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426691066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:05:54,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:05:54,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-11-23 09:05:54,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314332416] [2023-11-23 09:05:54,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:05:54,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:05:54,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:05:54,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:05:54,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:05:54,396 INFO L87 Difference]: Start difference. First operand 408 states and 573 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:05:55,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:05:55,112 INFO L93 Difference]: Finished difference Result 809 states and 1136 transitions. [2023-11-23 09:05:55,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:05:55,112 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 239 [2023-11-23 09:05:55,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:05:55,129 INFO L225 Difference]: With dead ends: 809 [2023-11-23 09:05:55,129 INFO L226 Difference]: Without dead ends: 412 [2023-11-23 09:05:55,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-11-23 09:05:55,132 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 16 mSDsluCounter, 2389 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2874 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 09:05:55,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2874 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 09:05:55,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-23 09:05:55,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 408. [2023-11-23 09:05:55,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 230 states have (on average 1.2043478260869565) internal successors, (277), 235 states have internal predecessors, (277), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2023-11-23 09:05:55,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 572 transitions. [2023-11-23 09:05:55,147 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 572 transitions. Word has length 239 [2023-11-23 09:05:55,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:05:55,147 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 572 transitions. [2023-11-23 09:05:55,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:05:55,148 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 572 transitions. [2023-11-23 09:05:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-23 09:05:55,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:55,149 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:05:55,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 09:05:55,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-23 09:05:55,365 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:05:55,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:05:55,366 INFO L85 PathProgramCache]: Analyzing trace with hash -972652868, now seen corresponding path program 1 times [2023-11-23 09:05:55,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:05:55,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367413761] [2023-11-23 09:05:55,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:55,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:05:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:05:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:05:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:05:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:05:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:05:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 09:05:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 09:05:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 09:05:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 09:05:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:55,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 09:05:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 09:05:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 09:05:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 09:05:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-23 09:05:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-23 09:05:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-23 09:05:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 09:05:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-23 09:05:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-23 09:05:56,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:05:56,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367413761] [2023-11-23 09:05:56,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367413761] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:05:56,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047471398] [2023-11-23 09:05:56,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:56,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:56,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:05:56,065 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:05:56,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 09:05:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:56,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 3279 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:05:56,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:05:56,707 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-23 09:05:56,707 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:05:56,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047471398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:05:56,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:05:56,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-11-23 09:05:56,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149962310] [2023-11-23 09:05:56,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:05:56,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:05:56,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:05:56,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:05:56,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:05:56,710 INFO L87 Difference]: Start difference. First operand 408 states and 572 transitions. Second operand has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:05:57,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:05:57,514 INFO L93 Difference]: Finished difference Result 809 states and 1134 transitions. [2023-11-23 09:05:57,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:05:57,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 241 [2023-11-23 09:05:57,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:05:57,517 INFO L225 Difference]: With dead ends: 809 [2023-11-23 09:05:57,517 INFO L226 Difference]: Without dead ends: 412 [2023-11-23 09:05:57,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-11-23 09:05:57,519 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 15 mSDsluCounter, 2386 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 09:05:57,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2870 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 09:05:57,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-23 09:05:57,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 408. [2023-11-23 09:05:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 230 states have (on average 1.2) internal successors, (276), 235 states have internal predecessors, (276), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2023-11-23 09:05:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 571 transitions. [2023-11-23 09:05:57,535 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 571 transitions. Word has length 241 [2023-11-23 09:05:57,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:05:57,535 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 571 transitions. [2023-11-23 09:05:57,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:05:57,536 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 571 transitions. [2023-11-23 09:05:57,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-23 09:05:57,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:57,538 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:05:57,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-23 09:05:57,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:57,753 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:05:57,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:05:57,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1528735792, now seen corresponding path program 1 times [2023-11-23 09:05:57,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:05:57,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826863333] [2023-11-23 09:05:57,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:57,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:05:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:05:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:05:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:05:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:05:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:05:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:05:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:05:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 09:05:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 09:05:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-23 09:05:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-23 09:05:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 09:05:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-23 09:05:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:05:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:05:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:05:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-23 09:05:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-23 09:05:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-23 09:05:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-23 09:05:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:05:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 09:05:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:58,445 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-23 09:05:58,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:05:58,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826863333] [2023-11-23 09:05:58,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826863333] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:05:58,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776151864] [2023-11-23 09:05:58,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:05:58,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:05:58,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:05:58,461 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:05:58,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 09:05:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:05:59,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 3283 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 09:05:59,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:05:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-11-23 09:05:59,072 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:05:59,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776151864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:05:59,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:05:59,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2023-11-23 09:05:59,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982079644] [2023-11-23 09:05:59,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:05:59,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:05:59,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:05:59,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:05:59,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:05:59,074 INFO L87 Difference]: Start difference. First operand 408 states and 571 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:05:59,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:05:59,846 INFO L93 Difference]: Finished difference Result 791 states and 1151 transitions. [2023-11-23 09:05:59,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:05:59,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 243 [2023-11-23 09:05:59,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:05:59,850 INFO L225 Difference]: With dead ends: 791 [2023-11-23 09:05:59,850 INFO L226 Difference]: Without dead ends: 408 [2023-11-23 09:05:59,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-23 09:05:59,853 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 6 mSDsluCounter, 1953 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2448 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 09:05:59,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2448 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 09:05:59,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-23 09:05:59,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2023-11-23 09:05:59,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 229 states have (on average 1.1877729257641922) internal successors, (272), 233 states have internal predecessors, (272), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2023-11-23 09:05:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 565 transitions. [2023-11-23 09:05:59,868 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 565 transitions. Word has length 243 [2023-11-23 09:05:59,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:05:59,868 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 565 transitions. [2023-11-23 09:05:59,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:05:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 565 transitions. [2023-11-23 09:05:59,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-23 09:05:59,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:05:59,871 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:05:59,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 09:06:00,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-23 09:06:00,087 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:00,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:00,088 INFO L85 PathProgramCache]: Analyzing trace with hash 37183212, now seen corresponding path program 1 times [2023-11-23 09:06:00,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:00,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183712794] [2023-11-23 09:06:00,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:00,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:06:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:06:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 09:06:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 09:06:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:06:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 09:06:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:06:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-23 09:06:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-23 09:06:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-23 09:06:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 09:06:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 09:06:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 09:06:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:06:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-23 09:06:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-23 09:06:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-23 09:06:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 09:06:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-23 09:06:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 8 proven. 50 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-23 09:06:00,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:00,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183712794] [2023-11-23 09:06:00,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183712794] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:00,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396032581] [2023-11-23 09:06:00,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:00,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:00,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:00,975 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:06:00,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 09:06:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:01,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 3293 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:06:01,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:01,708 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-23 09:06:01,709 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:01,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396032581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:01,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:01,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-23 09:06:01,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179599361] [2023-11-23 09:06:01,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:01,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:06:01,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:01,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:06:01,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:06:01,713 INFO L87 Difference]: Start difference. First operand 406 states and 565 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:06:02,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:02,809 INFO L93 Difference]: Finished difference Result 781 states and 1131 transitions. [2023-11-23 09:06:02,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:06:02,809 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 248 [2023-11-23 09:06:02,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:02,812 INFO L225 Difference]: With dead ends: 781 [2023-11-23 09:06:02,812 INFO L226 Difference]: Without dead ends: 406 [2023-11-23 09:06:02,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-11-23 09:06:02,815 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 16 mSDsluCounter, 2415 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2905 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:02,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2905 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 09:06:02,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2023-11-23 09:06:02,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2023-11-23 09:06:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 229 states have (on average 1.1834061135371179) internal successors, (271), 233 states have internal predecessors, (271), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2023-11-23 09:06:02,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 564 transitions. [2023-11-23 09:06:02,834 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 564 transitions. Word has length 248 [2023-11-23 09:06:02,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:02,834 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 564 transitions. [2023-11-23 09:06:02,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:06:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 564 transitions. [2023-11-23 09:06:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-11-23 09:06:02,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:02,836 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:02,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 09:06:03,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-23 09:06:03,052 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:03,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:03,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1841341420, now seen corresponding path program 1 times [2023-11-23 09:06:03,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:03,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255453840] [2023-11-23 09:06:03,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:03,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:06:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:06:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 09:06:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 09:06:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 09:06:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 09:06:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 09:06:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 09:06:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-23 09:06:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 09:06:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-23 09:06:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 09:06:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 09:06:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 09:06:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-23 09:06:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-23 09:06:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-23 09:06:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-23 09:06:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-23 09:06:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 10 proven. 53 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2023-11-23 09:06:03,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:03,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255453840] [2023-11-23 09:06:03,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255453840] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:03,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551800665] [2023-11-23 09:06:03,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:03,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:03,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:03,863 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:06:03,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 09:06:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:04,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 3301 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:06:04,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2023-11-23 09:06:04,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:04,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551800665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:04,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:04,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-23 09:06:04,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31359484] [2023-11-23 09:06:04,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:04,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:06:04,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:04,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:06:04,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:06:04,500 INFO L87 Difference]: Start difference. First operand 406 states and 564 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:06:05,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:05,424 INFO L93 Difference]: Finished difference Result 783 states and 1131 transitions. [2023-11-23 09:06:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:06:05,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 252 [2023-11-23 09:06:05,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:05,427 INFO L225 Difference]: With dead ends: 783 [2023-11-23 09:06:05,427 INFO L226 Difference]: Without dead ends: 408 [2023-11-23 09:06:05,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-11-23 09:06:05,430 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 17 mSDsluCounter, 1928 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2417 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:05,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2417 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 09:06:05,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-23 09:06:05,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2023-11-23 09:06:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 229 states have (on average 1.1790393013100438) internal successors, (270), 233 states have internal predecessors, (270), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2023-11-23 09:06:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 563 transitions. [2023-11-23 09:06:05,444 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 563 transitions. Word has length 252 [2023-11-23 09:06:05,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:05,445 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 563 transitions. [2023-11-23 09:06:05,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:06:05,445 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 563 transitions. [2023-11-23 09:06:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-23 09:06:05,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:05,447 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:05,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-23 09:06:05,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-23 09:06:05,664 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:05,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:05,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1960049260, now seen corresponding path program 1 times [2023-11-23 09:06:05,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:05,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791018375] [2023-11-23 09:06:05,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:05,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:06:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:06:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 09:06:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 09:06:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 09:06:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-23 09:06:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-23 09:06:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-23 09:06:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-23 09:06:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-23 09:06:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 09:06:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 09:06:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-23 09:06:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 09:06:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-23 09:06:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-23 09:06:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-23 09:06:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2023-11-23 09:06:06,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:06,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791018375] [2023-11-23 09:06:06,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791018375] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:06,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850045886] [2023-11-23 09:06:06,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:06,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:06,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:06,434 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:06:06,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-23 09:06:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:06,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 3309 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:06:06,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 09:06:07,050 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:07,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850045886] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:07,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:07,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-23 09:06:07,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830851266] [2023-11-23 09:06:07,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:07,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:06:07,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:07,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:06:07,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:06:07,052 INFO L87 Difference]: Start difference. First operand 406 states and 563 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:06:07,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:07,623 INFO L93 Difference]: Finished difference Result 783 states and 1129 transitions. [2023-11-23 09:06:07,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:06:07,624 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 256 [2023-11-23 09:06:07,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:07,626 INFO L225 Difference]: With dead ends: 783 [2023-11-23 09:06:07,626 INFO L226 Difference]: Without dead ends: 408 [2023-11-23 09:06:07,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-11-23 09:06:07,630 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 17 mSDsluCounter, 1926 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:07,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2414 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 09:06:07,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-23 09:06:07,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2023-11-23 09:06:07,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 229 states have (on average 1.1746724890829694) internal successors, (269), 233 states have internal predecessors, (269), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2023-11-23 09:06:07,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 562 transitions. [2023-11-23 09:06:07,647 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 562 transitions. Word has length 256 [2023-11-23 09:06:07,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:07,648 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 562 transitions. [2023-11-23 09:06:07,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:06:07,648 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 562 transitions. [2023-11-23 09:06:07,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-11-23 09:06:07,649 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:07,650 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:07,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-23 09:06:07,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-23 09:06:07,865 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:07,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:07,866 INFO L85 PathProgramCache]: Analyzing trace with hash -385067668, now seen corresponding path program 2 times [2023-11-23 09:06:07,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:07,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031135487] [2023-11-23 09:06:07,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:07,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:06:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:06:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:06:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:06:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:06:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:06:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 09:06:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 09:06:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 09:06:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 09:06:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:06:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:06:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-23 09:06:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-23 09:06:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-23 09:06:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 09:06:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-23 09:06:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-23 09:06:08,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:08,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031135487] [2023-11-23 09:06:08,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031135487] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:08,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459235200] [2023-11-23 09:06:08,483 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 09:06:08,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:08,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:08,484 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:06:08,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-23 09:06:09,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 09:06:09,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 09:06:09,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 3317 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 09:06:09,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:09,188 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-23 09:06:09,188 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:09,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459235200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:09,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:09,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2023-11-23 09:06:09,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788125745] [2023-11-23 09:06:09,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:09,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 09:06:09,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:09,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 09:06:09,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:06:09,190 INFO L87 Difference]: Start difference. First operand 406 states and 562 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-23 09:06:09,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:09,786 INFO L93 Difference]: Finished difference Result 761 states and 1073 transitions. [2023-11-23 09:06:09,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 09:06:09,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 260 [2023-11-23 09:06:09,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:09,788 INFO L225 Difference]: With dead ends: 761 [2023-11-23 09:06:09,788 INFO L226 Difference]: Without dead ends: 408 [2023-11-23 09:06:09,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:06:09,790 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 140 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:09,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 1641 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 09:06:09,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-23 09:06:09,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2023-11-23 09:06:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 230 states have (on average 1.173913043478261) internal successors, (270), 235 states have internal predecessors, (270), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (157), 145 states have call predecessors, (157), 145 states have call successors, (157) [2023-11-23 09:06:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 573 transitions. [2023-11-23 09:06:09,805 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 573 transitions. Word has length 260 [2023-11-23 09:06:09,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:09,805 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 573 transitions. [2023-11-23 09:06:09,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-23 09:06:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 573 transitions. [2023-11-23 09:06:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-23 09:06:09,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:09,807 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:09,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-23 09:06:10,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:10,023 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:10,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:10,023 INFO L85 PathProgramCache]: Analyzing trace with hash 537327191, now seen corresponding path program 1 times [2023-11-23 09:06:10,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:10,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838217043] [2023-11-23 09:06:10,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:10,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:06:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:06:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:06:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:06:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:06:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:06:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 09:06:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 09:06:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 09:06:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-23 09:06:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:06:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:06:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-23 09:06:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-23 09:06:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-23 09:06:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-23 09:06:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 09:06:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-23 09:06:10,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:10,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838217043] [2023-11-23 09:06:10,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838217043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:10,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:06:10,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 09:06:10,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68675216] [2023-11-23 09:06:10,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:10,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:06:10,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:10,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:06:10,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 09:06:10,555 INFO L87 Difference]: Start difference. First operand 408 states and 573 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-23 09:06:12,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:12,117 INFO L93 Difference]: Finished difference Result 757 states and 1071 transitions. [2023-11-23 09:06:12,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:06:12,118 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 266 [2023-11-23 09:06:12,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:12,120 INFO L225 Difference]: With dead ends: 757 [2023-11-23 09:06:12,120 INFO L226 Difference]: Without dead ends: 408 [2023-11-23 09:06:12,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-23 09:06:12,121 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 306 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:12,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1305 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 09:06:12,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-23 09:06:12,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2023-11-23 09:06:12,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 230 states have (on average 1.173913043478261) internal successors, (270), 235 states have internal predecessors, (270), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (150), 145 states have call predecessors, (150), 145 states have call successors, (150) [2023-11-23 09:06:12,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 566 transitions. [2023-11-23 09:06:12,143 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 566 transitions. Word has length 266 [2023-11-23 09:06:12,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:12,143 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 566 transitions. [2023-11-23 09:06:12,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-23 09:06:12,144 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 566 transitions. [2023-11-23 09:06:12,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-11-23 09:06:12,145 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:12,145 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:12,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-23 09:06:12,145 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:12,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:12,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1733999486, now seen corresponding path program 1 times [2023-11-23 09:06:12,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:12,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684922902] [2023-11-23 09:06:12,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:12,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:13,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:13,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:13,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:13,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:13,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:13,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:13,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:06:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:06:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:06:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:06:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:06:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:06:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 09:06:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 09:06:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 09:06:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-23 09:06:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:06:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:06:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-23 09:06:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-23 09:06:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-23 09:06:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-23 09:06:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-23 09:06:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:14,637 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2023-11-23 09:06:14,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:14,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684922902] [2023-11-23 09:06:14,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684922902] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:14,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277804959] [2023-11-23 09:06:14,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:14,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:14,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:14,639 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:06:14,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-23 09:06:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:15,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 3351 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-23 09:06:15,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:15,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 09:06:16,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2023-11-23 09:06:18,101 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_32| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_9| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_32|))) (let ((.cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_9| 32)))) (and (not (= .cse0 0)) (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_9| 8))))))) is different from true [2023-11-23 09:06:24,669 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 35 not checked. [2023-11-23 09:06:24,670 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 09:06:25,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 74 [2023-11-23 09:06:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-23 09:06:25,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277804959] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 09:06:25,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 09:06:25,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 15] total 44 [2023-11-23 09:06:25,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876899306] [2023-11-23 09:06:25,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 09:06:25,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-11-23 09:06:25,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:25,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-11-23 09:06:25,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1645, Unknown=4, NotChecked=82, Total=1892 [2023-11-23 09:06:25,376 INFO L87 Difference]: Start difference. First operand 408 states and 566 transitions. Second operand has 44 states, 31 states have (on average 6.741935483870968) internal successors, (209), 34 states have internal predecessors, (209), 20 states have call successors, (83), 5 states have call predecessors, (83), 15 states have return successors, (84), 23 states have call predecessors, (84), 20 states have call successors, (84) [2023-11-23 09:06:30,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:32,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:41,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:44,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:46,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:48,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:51,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:53,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:55,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:57,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:06:59,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:01,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:03,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:05,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:07,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:10,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:12,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:14,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:16,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:18,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:20,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:22,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:25,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:27,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:29,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:31,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:33,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:07:35,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:35,080 INFO L93 Difference]: Finished difference Result 887 states and 1245 transitions. [2023-11-23 09:07:35,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-23 09:07:35,080 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 31 states have (on average 6.741935483870968) internal successors, (209), 34 states have internal predecessors, (209), 20 states have call successors, (83), 5 states have call predecessors, (83), 15 states have return successors, (84), 23 states have call predecessors, (84), 20 states have call successors, (84) Word has length 272 [2023-11-23 09:07:35,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:35,083 INFO L225 Difference]: With dead ends: 887 [2023-11-23 09:07:35,083 INFO L226 Difference]: Without dead ends: 482 [2023-11-23 09:07:35,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 685 GetRequests, 601 SyntacticMatches, 11 SemanticMatches, 73 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1493 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=487, Invalid=4912, Unknown=7, NotChecked=144, Total=5550 [2023-11-23 09:07:35,086 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 462 mSDsluCounter, 4204 mSDsCounter, 0 mSdLazyCounter, 6266 mSolverCounterSat, 236 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 4554 SdHoareTripleChecker+Invalid, 7171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 6266 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 642 IncrementalHoareTripleChecker+Unchecked, 62.5s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:35,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 4554 Invalid, 7171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 6266 Invalid, 27 Unknown, 642 Unchecked, 62.5s Time] [2023-11-23 09:07:35,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2023-11-23 09:07:35,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 452. [2023-11-23 09:07:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 261 states have (on average 1.1647509578544062) internal successors, (304), 267 states have internal predecessors, (304), 152 states have call successors, (152), 34 states have call predecessors, (152), 37 states have return successors, (157), 151 states have call predecessors, (157), 151 states have call successors, (157) [2023-11-23 09:07:35,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 613 transitions. [2023-11-23 09:07:35,106 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 613 transitions. Word has length 272 [2023-11-23 09:07:35,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:35,106 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 613 transitions. [2023-11-23 09:07:35,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 31 states have (on average 6.741935483870968) internal successors, (209), 34 states have internal predecessors, (209), 20 states have call successors, (83), 5 states have call predecessors, (83), 15 states have return successors, (84), 23 states have call predecessors, (84), 20 states have call successors, (84) [2023-11-23 09:07:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 613 transitions. [2023-11-23 09:07:35,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-11-23 09:07:35,108 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:35,108 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:07:35,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-23 09:07:35,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-23 09:07:35,324 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:35,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:35,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1236905730, now seen corresponding path program 1 times [2023-11-23 09:07:35,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:35,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745465129] [2023-11-23 09:07:35,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:35,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:07:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:07:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 09:07:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 09:07:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 09:07:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-23 09:07:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-23 09:07:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-23 09:07:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-23 09:07:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-23 09:07:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-23 09:07:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,245 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2023-11-23 09:07:36,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:36,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745465129] [2023-11-23 09:07:36,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745465129] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:36,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570562542] [2023-11-23 09:07:36,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:36,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:36,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:36,247 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:07:36,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-23 09:07:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 3341 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-23 09:07:36,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:36,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-23 09:07:36,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-23 09:07:37,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2023-11-23 09:07:39,354 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_50| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_27| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_50|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_27|)))) (and (not (= .cse0 0)) (= (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_27| 8)) .cse0))))) is different from true [2023-11-23 09:07:41,575 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_51| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_28| Int)) (let ((.cse0 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_51|))) (let ((.cse1 (select .cse0 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_28|)))) (and (= (select .cse0 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_28| 8)) .cse1) (not (= .cse1 0)))))) is different from true [2023-11-23 09:07:43,638 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_52| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_29| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_52|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_29|)))) (and (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_29| 8))) (not (= .cse0 0)))))) is different from true [2023-11-23 09:07:43,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-11-23 09:07:45,690 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_53| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_30| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_53|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_30|)))) (and (not (= .cse0 0)) (= (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_30| 8)) .cse0))))) is different from true [2023-11-23 09:07:45,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-11-23 09:07:47,779 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_54| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_31| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_54|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_31|)))) (and (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_31| 8))) (not (= .cse0 0)))))) is different from true [2023-11-23 09:07:49,883 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_55| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_32| Int)) (let ((.cse0 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_55|))) (let ((.cse1 (select .cse0 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_32|)))) (and (= (select .cse0 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_32| 8)) .cse1) (not (= .cse1 0)))))) is different from true [2023-11-23 09:07:51,947 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_1| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_2|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_1|)))) (and (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_1| 8))) (not (= .cse0 0)))))) is different from true [2023-11-23 09:07:54,154 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_2| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_3|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_2|)))) (and (not (= .cse0 0)) (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_2| 8))))))) is different from true [2023-11-23 09:07:56,203 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_3| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_4|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_3|)))) (and (not (= .cse0 0)) (= (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_3| 8)) .cse0))))) is different from true [2023-11-23 09:07:58,267 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_5| Int)) (let ((.cse0 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_5|))) (let ((.cse1 (select .cse0 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_4|)))) (and (= (select .cse0 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_4| 8)) .cse1) (not (= .cse1 0)))))) is different from true [2023-11-23 09:08:00,326 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_6| Int)) (let ((.cse0 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_6|))) (let ((.cse1 (select .cse0 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_5|)))) (and (= (select .cse0 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_5| 8)) .cse1) (not (= .cse1 0)))))) is different from true [2023-11-23 09:08:02,467 WARN L876 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_7| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_7|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_6|)))) (and (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_6| 8))) (not (= .cse0 0)))))) (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_6| Int)) (let ((.cse2 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_6|))) (let ((.cse3 (select .cse2 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_5|)))) (and (= (select .cse2 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_5| 8)) .cse3) (not (= .cse3 0))))))) is different from true [2023-11-23 09:08:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 315 not checked. [2023-11-23 09:08:04,582 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 09:08:04,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570562542] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:08:04,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 09:08:04,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 28] total 34 [2023-11-23 09:08:04,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354787226] [2023-11-23 09:08:04,904 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 09:08:04,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-23 09:08:04,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:08:04,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-23 09:08:04,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=778, Unknown=24, NotChecked=804, Total=1722 [2023-11-23 09:08:04,906 INFO L87 Difference]: Start difference. First operand 452 states and 613 transitions. Second operand has 34 states, 30 states have (on average 7.3) internal successors, (219), 29 states have internal predecessors, (219), 15 states have call successors, (67), 16 states have call predecessors, (67), 18 states have return successors, (67), 17 states have call predecessors, (67), 15 states have call successors, (67) [2023-11-23 09:08:08,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:08:10,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:05,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:07,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:09,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:24,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:27,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:29,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:31,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:33,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:39,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:41,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:43,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:45,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:48,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] Killed by 15