./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_clean_up_harness_negated.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_clean_up_harness_negated.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 ae07279d7ad983372d5fdb866cc6181ffa271235ae22395ac4d6185e3eae141d --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 09:07:04,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 09:07:05,025 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 09:07:05,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 09:07:05,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 09:07:05,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 09:07:05,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 09:07:05,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 09:07:05,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 09:07:05,059 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 09:07:05,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 09:07:05,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 09:07:05,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 09:07:05,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 09:07:05,061 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 09:07:05,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 09:07:05,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 09:07:05,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 09:07:05,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 09:07:05,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 09:07:05,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 09:07:05,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 09:07:05,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 09:07:05,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 09:07:05,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 09:07:05,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 09:07:05,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 09:07:05,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 09:07:05,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 09:07:05,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 09:07:05,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 09:07:05,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 09:07:05,067 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 09:07:05,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 09:07:05,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 09:07:05,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 09:07:05,067 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 09:07:05,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 09:07:05,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 09:07:05,068 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae07279d7ad983372d5fdb866cc6181ffa271235ae22395ac4d6185e3eae141d Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 09:07:05,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 09:07:05,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 09:07:05,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 09:07:05,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 09:07:05,302 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 09:07:05,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2023-11-23 09:07:06,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 09:07:06,668 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 09:07:06,669 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_clean_up_harness_negated.i [2023-11-23 09:07:06,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffbff627/eb797ea12f4f414b85ad1b8261c51c20/FLAGc26f2c715 [2023-11-23 09:07:06,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ffbff627/eb797ea12f4f414b85ad1b8261c51c20 [2023-11-23 09:07:06,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 09:07:06,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 09:07:06,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 09:07:06,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 09:07:06,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 09:07:06,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:07:06" (1/1) ... [2023-11-23 09:07:06,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39911a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:06, skipping insertion in model container [2023-11-23 09:07:06,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:07:06" (1/1) ... [2023-11-23 09:07:06,796 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 09:07:07,016 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_clean_up_harness_negated.i[4498,4511] [2023-11-23 09:07:07,025 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_clean_up_harness_negated.i[4558,4571] [2023-11-23 09:07:07,701 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:07,702 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:07,702 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:07,703 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:07,703 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:07,714 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:07,715 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:07,716 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:07,716 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:07,964 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 09:07:07,967 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 09:07:07,968 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 09:07:07,969 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 09:07:07,970 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 09:07:07,970 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 09:07:07,971 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 09:07:07,971 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 09:07:07,971 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 09:07:07,972 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 09:07:08,144 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,144 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 09:07:08,239 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 09:07:08,250 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_clean_up_harness_negated.i[4498,4511] [2023-11-23 09:07:08,251 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_clean_up_harness_negated.i[4558,4571] [2023-11-23 09:07:08,297 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,298 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,298 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,299 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,299 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,304 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,305 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,305 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,307 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,345 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 09:07:08,346 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 09:07:08,346 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 09:07:08,347 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 09:07:08,348 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 09:07:08,349 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 09:07:08,350 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 09:07:08,350 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 09:07:08,351 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 09:07:08,351 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 09:07:08,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2023-11-23 09:07:08,482 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,483 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:07:08,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8963-8974] [2023-11-23 09:07:08,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 09:07:08,731 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,732 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,732 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,732 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,732 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,732 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,732 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,733 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,733 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,733 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,733 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,733 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,733 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,734 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,734 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,734 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,734 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,734 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:07:08,741 INFO L206 MainTranslator]: Completed translation [2023-11-23 09:07:08,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08 WrapperNode [2023-11-23 09:07:08,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 09:07:08,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 09:07:08,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 09:07:08,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 09:07:08,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08" (1/1) ... [2023-11-23 09:07:08,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08" (1/1) ... [2023-11-23 09:07:08,918 INFO L138 Inliner]: procedures = 690, calls = 2875, calls flagged for inlining = 57, calls inlined = 6, statements flattened = 811 [2023-11-23 09:07:08,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 09:07:08,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 09:07:08,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 09:07:08,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 09:07:08,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08" (1/1) ... [2023-11-23 09:07:08,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08" (1/1) ... [2023-11-23 09:07:08,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08" (1/1) ... [2023-11-23 09:07:08,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08" (1/1) ... [2023-11-23 09:07:08,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08" (1/1) ... [2023-11-23 09:07:08,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08" (1/1) ... [2023-11-23 09:07:08,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08" (1/1) ... [2023-11-23 09:07:08,986 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08" (1/1) ... [2023-11-23 09:07:08,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 09:07:08,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 09:07:08,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 09:07:08,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 09:07:08,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08" (1/1) ... [2023-11-23 09:07:08,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 09:07:09,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:09,030 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 09:07:09,035 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 09:07:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2023-11-23 09:07:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-11-23 09:07:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 09:07:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-11-23 09:07:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-11-23 09:07:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 09:07:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 09:07:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 09:07:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 09:07:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 09:07:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-11-23 09:07:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-11-23 09:07:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 09:07:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 09:07:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 09:07:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 09:07:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-23 09:07:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-23 09:07:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2023-11-23 09:07:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2023-11-23 09:07:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 09:07:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 09:07:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 09:07:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 09:07:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 09:07:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 09:07:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 09:07:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-11-23 09:07:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-11-23 09:07:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 09:07:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 09:07:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 09:07:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 09:07:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2023-11-23 09:07:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2023-11-23 09:07:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-11-23 09:07:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-11-23 09:07:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2023-11-23 09:07:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2023-11-23 09:07:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 09:07:09,312 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 09:07:09,314 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 09:07:10,039 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 09:07:10,130 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 09:07:10,131 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 09:07:10,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:07:10 BoogieIcfgContainer [2023-11-23 09:07:10,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 09:07:10,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 09:07:10,134 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 09:07:10,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 09:07:10,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:07:06" (1/3) ... [2023-11-23 09:07:10,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8f6c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:07:10, skipping insertion in model container [2023-11-23 09:07:10,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:07:08" (2/3) ... [2023-11-23 09:07:10,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8f6c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:07:10, skipping insertion in model container [2023-11-23 09:07:10,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:07:10" (3/3) ... [2023-11-23 09:07:10,139 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_clean_up_harness_negated.i [2023-11-23 09:07:10,152 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 09:07:10,153 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 09:07:10,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 09:07:10,192 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;@6a5001cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 09:07:10,192 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 09:07:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 74 states have internal predecessors, (92), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 09:07:10,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 09:07:10,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:10,202 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 09:07:10,203 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 09:07:10,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:10,207 INFO L85 PathProgramCache]: Analyzing trace with hash -794768601, now seen corresponding path program 1 times [2023-11-23 09:07:10,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:10,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862980593] [2023-11-23 09:07:10,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:10,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:10,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:10,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:10,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:10,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:10,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:10,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:10,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:10,753 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 09:07:10,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:10,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862980593] [2023-11-23 09:07:10,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862980593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:10,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:07:10,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 09:07:10,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067353338] [2023-11-23 09:07:10,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:10,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 09:07:10,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:10,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 09:07:10,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 09:07:10,796 INFO L87 Difference]: Start difference. First operand has 121 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 74 states have internal predecessors, (92), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) 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 09:07:11,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:11,189 INFO L93 Difference]: Finished difference Result 236 states and 330 transitions. [2023-11-23 09:07:11,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 09:07:11,191 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 09:07:11,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:11,198 INFO L225 Difference]: With dead ends: 236 [2023-11-23 09:07:11,198 INFO L226 Difference]: Without dead ends: 121 [2023-11-23 09:07:11,201 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 09:07:11,204 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 72 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:11,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 81 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 09:07:11,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-23 09:07:11,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2023-11-23 09:07:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 71 states have (on average 1.2112676056338028) internal successors, (86), 73 states have internal predecessors, (86), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 149 transitions. [2023-11-23 09:07:11,267 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 149 transitions. Word has length 47 [2023-11-23 09:07:11,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:11,268 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 149 transitions. [2023-11-23 09:07:11,269 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 09:07:11,269 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 149 transitions. [2023-11-23 09:07:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 09:07:11,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:11,272 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 09:07:11,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 09:07:11,272 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 09:07:11,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:11,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1101346213, now seen corresponding path program 1 times [2023-11-23 09:07:11,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:11,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934832073] [2023-11-23 09:07:11,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:11,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,788 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 09:07:11,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:11,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934832073] [2023-11-23 09:07:11,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934832073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:11,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:07:11,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 09:07:11,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925016813] [2023-11-23 09:07:11,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:11,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 09:07:11,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:11,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 09:07:11,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:07:11,792 INFO L87 Difference]: Start difference. First operand 119 states and 149 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 09:07:12,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:12,603 INFO L93 Difference]: Finished difference Result 226 states and 297 transitions. [2023-11-23 09:07:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 09:07:12,603 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 09:07:12,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:12,605 INFO L225 Difference]: With dead ends: 226 [2023-11-23 09:07:12,605 INFO L226 Difference]: Without dead ends: 128 [2023-11-23 09:07:12,606 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 09:07:12,607 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 106 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:12,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 290 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 09:07:12,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-23 09:07:12,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2023-11-23 09:07:12,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 77 states have (on average 1.2337662337662338) internal successors, (95), 79 states have internal predecessors, (95), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:12,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 158 transitions. [2023-11-23 09:07:12,624 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 158 transitions. Word has length 47 [2023-11-23 09:07:12,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:12,625 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 158 transitions. [2023-11-23 09:07:12,626 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 09:07:12,626 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 158 transitions. [2023-11-23 09:07:12,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 09:07:12,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:12,628 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 09:07:12,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 09:07:12,629 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 09:07:12,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:12,630 INFO L85 PathProgramCache]: Analyzing trace with hash -168559234, now seen corresponding path program 1 times [2023-11-23 09:07:12,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:12,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665362207] [2023-11-23 09:07:12,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:12,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:07:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,163 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 09:07:13,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:13,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665362207] [2023-11-23 09:07:13,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665362207] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:13,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030610998] [2023-11-23 09:07:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:13,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:13,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:13,167 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 09:07:13,200 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 09:07:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 2546 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 09:07:13,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:13,622 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 09:07:13,623 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:13,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030610998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:13,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:13,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-11-23 09:07:13,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763861850] [2023-11-23 09:07:13,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:13,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:07:13,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:13,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:07:13,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:07:13,625 INFO L87 Difference]: Start difference. First operand 126 states and 158 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 09:07:13,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:13,904 INFO L93 Difference]: Finished difference Result 126 states and 158 transitions. [2023-11-23 09:07:13,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:07:13,904 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 09:07:13,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:13,914 INFO L225 Difference]: With dead ends: 126 [2023-11-23 09:07:13,914 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 09:07:13,914 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 09:07:13,917 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 22 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:13,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 775 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 09:07:13,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 09:07:13,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-23 09:07:13,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 75 states have (on average 1.2266666666666666) internal successors, (92), 76 states have internal predecessors, (92), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:13,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 155 transitions. [2023-11-23 09:07:13,936 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 155 transitions. Word has length 77 [2023-11-23 09:07:13,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:13,937 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 155 transitions. [2023-11-23 09:07:13,937 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 09:07:13,937 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 155 transitions. [2023-11-23 09:07:13,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-23 09:07:13,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:13,947 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:13,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 09:07:14,152 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 09:07:14,152 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:14,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:14,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1134936903, now seen corresponding path program 1 times [2023-11-23 09:07:14,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:14,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362016559] [2023-11-23 09:07:14,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:14,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:07:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:07:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 09:07:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 09:07:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 09:07:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-23 09:07:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-23 09:07:14,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:14,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362016559] [2023-11-23 09:07:14,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362016559] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:14,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545043431] [2023-11-23 09:07:14,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:14,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:14,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:14,817 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 09:07:14,821 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 09:07:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:15,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 3007 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 09:07:15,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-11-23 09:07:15,280 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:15,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545043431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:15,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:15,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2023-11-23 09:07:15,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799481452] [2023-11-23 09:07:15,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:15,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 09:07:15,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:15,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 09:07:15,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-11-23 09:07:15,282 INFO L87 Difference]: Start difference. First operand 123 states and 155 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 09:07:15,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:15,423 INFO L93 Difference]: Finished difference Result 209 states and 266 transitions. [2023-11-23 09:07:15,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 09:07:15,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 184 [2023-11-23 09:07:15,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:15,424 INFO L225 Difference]: With dead ends: 209 [2023-11-23 09:07:15,424 INFO L226 Difference]: Without dead ends: 127 [2023-11-23 09:07:15,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-11-23 09:07:15,425 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 3 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:15,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 389 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 09:07:15,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-23 09:07:15,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2023-11-23 09:07:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 78 states have internal predecessors, (94), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 157 transitions. [2023-11-23 09:07:15,432 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 157 transitions. Word has length 184 [2023-11-23 09:07:15,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:15,433 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 157 transitions. [2023-11-23 09:07:15,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 09:07:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 157 transitions. [2023-11-23 09:07:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-23 09:07:15,434 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:15,435 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:15,454 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 09:07:15,654 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 09:07:15,654 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:15,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:15,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1505395321, now seen corresponding path program 1 times [2023-11-23 09:07:15,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:15,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550816140] [2023-11-23 09:07:15,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:15,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:07:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:07:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 09:07:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 09:07:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 09:07:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-23 09:07:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-23 09:07:16,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:16,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550816140] [2023-11-23 09:07:16,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550816140] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:16,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707742282] [2023-11-23 09:07:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:16,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:16,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:16,305 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 09:07:16,344 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 09:07:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:16,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 2997 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 09:07:16,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:16,866 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-23 09:07:16,866 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:16,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707742282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:16,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:16,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2023-11-23 09:07:16,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046558835] [2023-11-23 09:07:16,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:16,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:07:16,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:16,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:07:16,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:07:16,868 INFO L87 Difference]: Start difference. First operand 125 states and 157 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-23 09:07:17,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:17,045 INFO L93 Difference]: Finished difference Result 211 states and 266 transitions. [2023-11-23 09:07:17,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 09:07:17,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 184 [2023-11-23 09:07:17,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:17,046 INFO L225 Difference]: With dead ends: 211 [2023-11-23 09:07:17,047 INFO L226 Difference]: Without dead ends: 127 [2023-11-23 09:07:17,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-23 09:07:17,047 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 29 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:17,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 424 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 09:07:17,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-23 09:07:17,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2023-11-23 09:07:17,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 78 states have (on average 1.2179487179487178) internal successors, (95), 80 states have internal predecessors, (95), 32 states have call successors, (32), 15 states have call predecessors, (32), 16 states have return successors, (32), 31 states have call predecessors, (32), 31 states have call successors, (32) [2023-11-23 09:07:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 159 transitions. [2023-11-23 09:07:17,054 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 159 transitions. Word has length 184 [2023-11-23 09:07:17,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:17,054 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 159 transitions. [2023-11-23 09:07:17,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2023-11-23 09:07:17,054 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 159 transitions. [2023-11-23 09:07:17,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-23 09:07:17,056 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:17,056 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:17,078 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 09:07:17,272 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 09:07:17,272 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:17,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:17,273 INFO L85 PathProgramCache]: Analyzing trace with hash 240857760, now seen corresponding path program 1 times [2023-11-23 09:07:17,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:17,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896449551] [2023-11-23 09:07:17,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:17,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:07:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:07:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 09:07:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 09:07:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-23 09:07:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 09:07:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-23 09:07:17,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:17,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896449551] [2023-11-23 09:07:17,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896449551] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:17,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803175497] [2023-11-23 09:07:17,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:17,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:17,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:17,814 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 09:07:17,827 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 09:07:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:18,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 3013 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 09:07:18,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:18,344 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-23 09:07:18,344 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:18,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803175497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:18,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:18,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-23 09:07:18,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892116962] [2023-11-23 09:07:18,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:18,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:07:18,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:18,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:07:18,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:07:18,346 INFO L87 Difference]: Start difference. First operand 127 states and 159 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 5 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-11-23 09:07:18,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:18,665 INFO L93 Difference]: Finished difference Result 184 states and 229 transitions. [2023-11-23 09:07:18,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:07:18,665 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 5 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) Word has length 186 [2023-11-23 09:07:18,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:18,666 INFO L225 Difference]: With dead ends: 184 [2023-11-23 09:07:18,666 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 09:07:18,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2023-11-23 09:07:18,667 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 35 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:18,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 639 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 09:07:18,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 09:07:18,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-23 09:07:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 75 states have (on average 1.2133333333333334) internal successors, (91), 76 states have internal predecessors, (91), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 154 transitions. [2023-11-23 09:07:18,674 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 154 transitions. Word has length 186 [2023-11-23 09:07:18,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:18,674 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 154 transitions. [2023-11-23 09:07:18,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 5 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 5 states have call successors, (26) [2023-11-23 09:07:18,675 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 154 transitions. [2023-11-23 09:07:18,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-23 09:07:18,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:18,676 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:18,694 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 09:07:18,892 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 09:07:18,892 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:18,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:18,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1020469031, now seen corresponding path program 1 times [2023-11-23 09:07:18,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:18,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901604386] [2023-11-23 09:07:18,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:18,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:07:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:07:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 09:07:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 09:07:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 09:07:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-23 09:07:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:19,600 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-23 09:07:19,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:19,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901604386] [2023-11-23 09:07:19,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901604386] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:19,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702483535] [2023-11-23 09:07:19,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:19,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:19,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:19,603 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 09:07:19,626 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 09:07:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:20,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 3029 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 09:07:20,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-23 09:07:20,092 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:20,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702483535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:20,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:20,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2023-11-23 09:07:20,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112097079] [2023-11-23 09:07:20,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:20,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:07:20,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:20,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:07:20,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:07:20,095 INFO L87 Difference]: Start difference. First operand 123 states and 154 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 09:07:20,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:20,403 INFO L93 Difference]: Finished difference Result 231 states and 290 transitions. [2023-11-23 09:07:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 09:07:20,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 188 [2023-11-23 09:07:20,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:20,404 INFO L225 Difference]: With dead ends: 231 [2023-11-23 09:07:20,404 INFO L226 Difference]: Without dead ends: 125 [2023-11-23 09:07:20,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-23 09:07:20,405 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 4 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:20,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 618 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 09:07:20,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-23 09:07:20,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2023-11-23 09:07:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 75 states have (on average 1.2) internal successors, (90), 76 states have internal predecessors, (90), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:20,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 153 transitions. [2023-11-23 09:07:20,410 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 153 transitions. Word has length 188 [2023-11-23 09:07:20,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:20,411 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 153 transitions. [2023-11-23 09:07:20,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 09:07:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 153 transitions. [2023-11-23 09:07:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-23 09:07:20,412 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:20,412 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:20,431 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 09:07:20,624 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 09:07:20,624 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:20,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:20,625 INFO L85 PathProgramCache]: Analyzing trace with hash -988867289, now seen corresponding path program 1 times [2023-11-23 09:07:20,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:20,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606063528] [2023-11-23 09:07:20,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:20,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:20,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:20,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:20,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:20,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:20,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:20,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 09:07:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 09:07:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 09:07:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 09:07:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-23 09:07:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-23 09:07:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-23 09:07:21,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:21,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606063528] [2023-11-23 09:07:21,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606063528] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:21,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639216686] [2023-11-23 09:07:21,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:21,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:21,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:21,182 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 09:07:21,183 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 09:07:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:21,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 3033 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:07:21,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-23 09:07:21,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:21,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639216686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:21,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:21,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-11-23 09:07:21,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072686016] [2023-11-23 09:07:21,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:21,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:07:21,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:21,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:07:21,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-23 09:07:21,680 INFO L87 Difference]: Start difference. First operand 123 states and 153 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 09:07:21,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:21,975 INFO L93 Difference]: Finished difference Result 231 states and 288 transitions. [2023-11-23 09:07:21,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:07:21,976 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 190 [2023-11-23 09:07:21,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:21,977 INFO L225 Difference]: With dead ends: 231 [2023-11-23 09:07:21,977 INFO L226 Difference]: Without dead ends: 125 [2023-11-23 09:07:21,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-11-23 09:07:21,978 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 14 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:21,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 598 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 09:07:21,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-23 09:07:21,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2023-11-23 09:07:21,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 75 states have (on average 1.1866666666666668) internal successors, (89), 76 states have internal predecessors, (89), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:21,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 152 transitions. [2023-11-23 09:07:21,988 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 152 transitions. Word has length 190 [2023-11-23 09:07:21,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:21,988 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 152 transitions. [2023-11-23 09:07:21,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 09:07:21,988 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 152 transitions. [2023-11-23 09:07:21,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 09:07:21,990 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:21,990 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:22,010 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 09:07:22,191 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 09:07:22,191 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:22,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:22,192 INFO L85 PathProgramCache]: Analyzing trace with hash 960471569, now seen corresponding path program 1 times [2023-11-23 09:07:22,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:22,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586823046] [2023-11-23 09:07:22,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:22,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 09:07:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 09:07:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 09:07:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 09:07:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-23 09:07:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-23 09:07:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-23 09:07:22,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:22,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586823046] [2023-11-23 09:07:22,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586823046] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:22,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291252256] [2023-11-23 09:07:22,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:22,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:22,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:22,934 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 09:07:22,954 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 09:07:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:23,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 3037 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:07:23,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-23 09:07:23,393 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:23,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291252256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:23,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:23,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-23 09:07:23,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27812423] [2023-11-23 09:07:23,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:23,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:07:23,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:23,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:07:23,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:07:23,399 INFO L87 Difference]: Start difference. First operand 123 states and 152 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 09:07:23,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:23,662 INFO L93 Difference]: Finished difference Result 231 states and 286 transitions. [2023-11-23 09:07:23,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:07:23,662 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 192 [2023-11-23 09:07:23,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:23,663 INFO L225 Difference]: With dead ends: 231 [2023-11-23 09:07:23,663 INFO L226 Difference]: Without dead ends: 125 [2023-11-23 09:07:23,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2023-11-23 09:07:23,664 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 12 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:23,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 714 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 09:07:23,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-23 09:07:23,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2023-11-23 09:07:23,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 75 states have (on average 1.1733333333333333) internal successors, (88), 76 states have internal predecessors, (88), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:23,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 151 transitions. [2023-11-23 09:07:23,670 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 151 transitions. Word has length 192 [2023-11-23 09:07:23,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:23,671 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 151 transitions. [2023-11-23 09:07:23,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 09:07:23,672 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 151 transitions. [2023-11-23 09:07:23,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-23 09:07:23,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:23,673 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:23,689 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 09:07:23,880 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 09:07:23,880 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:23,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:23,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1788515687, now seen corresponding path program 1 times [2023-11-23 09:07:23,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:23,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090786473] [2023-11-23 09:07:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:23,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 09:07:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 09:07:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 09:07:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 09:07:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-23 09:07:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-23 09:07:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,523 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-23 09:07:24,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:24,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090786473] [2023-11-23 09:07:24,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090786473] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:24,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12483678] [2023-11-23 09:07:24,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:24,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:24,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:24,528 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 09:07:24,532 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 09:07:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:24,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 3041 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:07:24,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:25,031 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-23 09:07:25,031 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:25,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12483678] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:25,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:25,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-23 09:07:25,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831691203] [2023-11-23 09:07:25,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:25,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:07:25,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:25,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:07:25,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:07:25,033 INFO L87 Difference]: Start difference. First operand 123 states and 151 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 09:07:25,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:25,317 INFO L93 Difference]: Finished difference Result 231 states and 284 transitions. [2023-11-23 09:07:25,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:07:25,320 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 194 [2023-11-23 09:07:25,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:25,321 INFO L225 Difference]: With dead ends: 231 [2023-11-23 09:07:25,321 INFO L226 Difference]: Without dead ends: 125 [2023-11-23 09:07:25,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2023-11-23 09:07:25,322 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 14 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:25,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 592 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 09:07:25,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-23 09:07:25,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2023-11-23 09:07:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 75 states have (on average 1.16) internal successors, (87), 76 states have internal predecessors, (87), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 150 transitions. [2023-11-23 09:07:25,326 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 150 transitions. Word has length 194 [2023-11-23 09:07:25,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:25,326 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 150 transitions. [2023-11-23 09:07:25,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 7 states have internal predecessors, (69), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-23 09:07:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 150 transitions. [2023-11-23 09:07:25,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-23 09:07:25,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:25,327 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 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] [2023-11-23 09:07:25,350 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 09:07:25,544 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 09:07:25,544 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:25,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:25,545 INFO L85 PathProgramCache]: Analyzing trace with hash -806734519, now seen corresponding path program 1 times [2023-11-23 09:07:25,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:25,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770041773] [2023-11-23 09:07:25,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:25,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:25,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 09:07:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 09:07:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:07:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-23 09:07:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-23 09:07:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,147 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2023-11-23 09:07:26,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:26,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770041773] [2023-11-23 09:07:26,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770041773] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:26,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118265147] [2023-11-23 09:07:26,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:26,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:26,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:26,149 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 09:07:26,172 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 09:07:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:26,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 3045 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 09:07:26,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:26,608 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-23 09:07:26,608 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:26,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118265147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:26,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:26,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2023-11-23 09:07:26,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832931609] [2023-11-23 09:07:26,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:26,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:07:26,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:26,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:07:26,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:07:26,610 INFO L87 Difference]: Start difference. First operand 123 states and 150 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-23 09:07:26,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:26,843 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2023-11-23 09:07:26,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 09:07:26,844 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 196 [2023-11-23 09:07:26,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:26,845 INFO L225 Difference]: With dead ends: 209 [2023-11-23 09:07:26,845 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 09:07:26,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-23 09:07:26,845 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 4 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:26,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 626 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 09:07:26,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 09:07:26,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-23 09:07:26,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 75 states have (on average 1.1466666666666667) internal successors, (86), 76 states have internal predecessors, (86), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:26,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 149 transitions. [2023-11-23 09:07:26,850 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 149 transitions. Word has length 196 [2023-11-23 09:07:26,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:26,850 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 149 transitions. [2023-11-23 09:07:26,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-23 09:07:26,851 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 149 transitions. [2023-11-23 09:07:26,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-23 09:07:26,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:26,852 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:26,867 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 09:07:27,064 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 09:07:27,065 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:27,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:27,065 INFO L85 PathProgramCache]: Analyzing trace with hash 436533897, now seen corresponding path program 1 times [2023-11-23 09:07:27,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:27,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304539874] [2023-11-23 09:07:27,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:27,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 09:07:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 09:07:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 09:07:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:07:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 09:07:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 09:07:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-23 09:07:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-23 09:07:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:27,728 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 43 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-11-23 09:07:27,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:27,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304539874] [2023-11-23 09:07:27,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304539874] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:27,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018749855] [2023-11-23 09:07:27,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:27,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:27,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:27,732 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 09:07:27,764 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 09:07:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:28,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 3053 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:07:28,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:28,216 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2023-11-23 09:07:28,216 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:28,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018749855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:28,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:28,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-11-23 09:07:28,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845152442] [2023-11-23 09:07:28,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:28,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:07:28,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:28,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:07:28,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-23 09:07:28,218 INFO L87 Difference]: Start difference. First operand 123 states and 149 transitions. Second operand has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-23 09:07:28,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:28,456 INFO L93 Difference]: Finished difference Result 209 states and 261 transitions. [2023-11-23 09:07:28,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:07:28,457 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 200 [2023-11-23 09:07:28,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:28,457 INFO L225 Difference]: With dead ends: 209 [2023-11-23 09:07:28,458 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 09:07:28,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-11-23 09:07:28,458 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 11 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:28,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 721 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 09:07:28,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 09:07:28,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-23 09:07:28,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 76 states have internal predecessors, (85), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 148 transitions. [2023-11-23 09:07:28,463 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 148 transitions. Word has length 200 [2023-11-23 09:07:28,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:28,463 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 148 transitions. [2023-11-23 09:07:28,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-23 09:07:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2023-11-23 09:07:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-23 09:07:28,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:28,465 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:28,482 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 09:07:28,672 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 09:07:28,672 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:28,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:28,672 INFO L85 PathProgramCache]: Analyzing trace with hash 123035465, now seen corresponding path program 1 times [2023-11-23 09:07:28,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:28,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513900915] [2023-11-23 09:07:28,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:28,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 09:07:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 09:07:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 09:07:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 09:07:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 09:07:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 09:07:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 09:07:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 09:07:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-23 09:07:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-23 09:07:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 10 proven. 46 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-23 09:07:29,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:29,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513900915] [2023-11-23 09:07:29,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513900915] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:29,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178467364] [2023-11-23 09:07:29,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:29,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:29,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:29,285 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 09:07:29,300 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 09:07:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:29,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 3061 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:07:29,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:29,769 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-23 09:07:29,769 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:29,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178467364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:29,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:29,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-11-23 09:07:29,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679684721] [2023-11-23 09:07:29,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:29,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:07:29,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:29,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:07:29,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-23 09:07:29,778 INFO L87 Difference]: Start difference. First operand 123 states and 148 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, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-23 09:07:30,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:30,064 INFO L93 Difference]: Finished difference Result 209 states and 259 transitions. [2023-11-23 09:07:30,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:07:30,065 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, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 204 [2023-11-23 09:07:30,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:30,066 INFO L225 Difference]: With dead ends: 209 [2023-11-23 09:07:30,066 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 09:07:30,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-11-23 09:07:30,067 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 9 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:30,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 717 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 09:07:30,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 09:07:30,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-23 09:07:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 75 states have (on average 1.12) internal successors, (84), 76 states have internal predecessors, (84), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:30,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 147 transitions. [2023-11-23 09:07:30,071 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 147 transitions. Word has length 204 [2023-11-23 09:07:30,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:30,071 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 147 transitions. [2023-11-23 09:07:30,071 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, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-23 09:07:30,071 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 147 transitions. [2023-11-23 09:07:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-23 09:07:30,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:30,075 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:30,094 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 09:07:30,288 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 09:07:30,288 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:30,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:30,289 INFO L85 PathProgramCache]: Analyzing trace with hash 839710857, now seen corresponding path program 1 times [2023-11-23 09:07:30,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:30,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990117109] [2023-11-23 09:07:30,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:30,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 09:07:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 09:07:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 09:07:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-23 09:07:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 09:07:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 09:07:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-23 09:07:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-23 09:07:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-23 09:07:30,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:30,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990117109] [2023-11-23 09:07:30,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990117109] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:30,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917126422] [2023-11-23 09:07:30,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:30,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:31,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:31,000 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 09:07:31,002 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 09:07:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:31,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 3069 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:07:31,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2023-11-23 09:07:31,513 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:31,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917126422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:31,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:31,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2023-11-23 09:07:31,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904758642] [2023-11-23 09:07:31,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:31,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:07:31,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:31,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:07:31,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-23 09:07:31,515 INFO L87 Difference]: Start difference. First operand 123 states and 147 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, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-23 09:07:31,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:31,866 INFO L93 Difference]: Finished difference Result 209 states and 257 transitions. [2023-11-23 09:07:31,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:07:31,867 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, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 208 [2023-11-23 09:07:31,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:31,868 INFO L225 Difference]: With dead ends: 209 [2023-11-23 09:07:31,868 INFO L226 Difference]: Without dead ends: 123 [2023-11-23 09:07:31,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-11-23 09:07:31,869 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 7 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:31,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 713 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 09:07:31,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-23 09:07:31,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-11-23 09:07:31,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 75 states have (on average 1.1066666666666667) internal successors, (83), 76 states have internal predecessors, (83), 32 states have call successors, (32), 15 states have call predecessors, (32), 15 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-23 09:07:31,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 146 transitions. [2023-11-23 09:07:31,873 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 146 transitions. Word has length 208 [2023-11-23 09:07:31,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:31,873 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 146 transitions. [2023-11-23 09:07:31,874 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, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-23 09:07:31,874 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 146 transitions. [2023-11-23 09:07:31,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-23 09:07:31,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:31,875 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:31,891 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 09:07:32,087 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 09:07:32,087 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:32,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:32,088 INFO L85 PathProgramCache]: Analyzing trace with hash 837325129, now seen corresponding path program 1 times [2023-11-23 09:07:32,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:32,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508835127] [2023-11-23 09:07:32,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:32,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:07:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:07:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 09:07:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-23 09:07:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:33,994 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-23 09:07:33,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:33,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508835127] [2023-11-23 09:07:33,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508835127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:33,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:07:33,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-23 09:07:33,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705828050] [2023-11-23 09:07:33,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:33,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-23 09:07:33,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:33,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-23 09:07:33,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:07:33,997 INFO L87 Difference]: Start difference. First operand 123 states and 146 transitions. Second operand has 13 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 5 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-23 09:07:35,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:35,062 INFO L93 Difference]: Finished difference Result 147 states and 176 transitions. [2023-11-23 09:07:35,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 09:07:35,063 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 5 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 212 [2023-11-23 09:07:35,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:35,064 INFO L225 Difference]: With dead ends: 147 [2023-11-23 09:07:35,064 INFO L226 Difference]: Without dead ends: 145 [2023-11-23 09:07:35,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2023-11-23 09:07:35,065 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 193 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:35,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 252 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 09:07:35,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-23 09:07:35,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 133. [2023-11-23 09:07:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 82 states have (on average 1.1097560975609757) internal successors, (91), 84 states have internal predecessors, (91), 33 states have call successors, (33), 16 states have call predecessors, (33), 17 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2023-11-23 09:07:35,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 157 transitions. [2023-11-23 09:07:35,070 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 157 transitions. Word has length 212 [2023-11-23 09:07:35,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:35,071 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 157 transitions. [2023-11-23 09:07:35,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 5 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2023-11-23 09:07:35,071 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 157 transitions. [2023-11-23 09:07:35,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-23 09:07:35,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:35,075 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:35,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-23 09:07:35,076 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:35,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:35,076 INFO L85 PathProgramCache]: Analyzing trace with hash -774172104, now seen corresponding path program 1 times [2023-11-23 09:07:35,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:35,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456306679] [2023-11-23 09:07:35,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:35,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:07:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:07:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 09:07:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-23 09:07:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-23 09:07:35,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:35,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456306679] [2023-11-23 09:07:35,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456306679] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:35,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005474321] [2023-11-23 09:07:35,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:35,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:35,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:35,768 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 09:07:35,788 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 09:07:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:36,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 3096 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-23 09:07:36,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:36,328 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 09:07:36,722 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 09:07:38,747 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_9| Int) (|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_28| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_28|))) (let ((.cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_9| 32)))) (and (not (= .cse0 0)) (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_9| 8))))))) is different from true [2023-11-23 09:07:41,073 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_10| Int) (|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_29| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_29|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_10|)))) (and (= .cse0 (select .cse1 (+ 8 |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_10|))) (not (= .cse0 0)))))) is different from true [2023-11-23 09:07:43,137 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.base_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.offset_BEFORE_CALL_1| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.base_BEFORE_CALL_2|))) (let ((.cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.offset_BEFORE_CALL_1| 32)))) (and (not (= .cse0 0)) (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.offset_BEFORE_CALL_1| 8))))))) is different from true [2023-11-23 09:07:45,364 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.base_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.offset_BEFORE_CALL_2| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.base_BEFORE_CALL_3|))) (let ((.cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.offset_BEFORE_CALL_2| 32)))) (and (not (= .cse0 0)) (= (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_clean_up_~ring_buf#1.offset_BEFORE_CALL_2| 8)) .cse0))))) is different from true [2023-11-23 09:07:45,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 09:07:45,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 11 [2023-11-23 09:07:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 182 not checked. [2023-11-23 09:07:45,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 09:07:45,698 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 84 treesize of output 78 [2023-11-23 09:07:45,805 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-11-23 09:07:45,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005474321] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:45,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 09:07:45,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 15] total 25 [2023-11-23 09:07:45,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349125940] [2023-11-23 09:07:45,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:45,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 09:07:45,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:45,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 09:07:45,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=367, Unknown=4, NotChecked=164, Total=600 [2023-11-23 09:07:45,807 INFO L87 Difference]: Start difference. First operand 133 states and 157 transitions. Second operand has 9 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 6 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 7 states have call predecessors, (22), 6 states have call successors, (22) [2023-11-23 09:07:46,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:46,246 INFO L93 Difference]: Finished difference Result 183 states and 213 transitions. [2023-11-23 09:07:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 09:07:46,246 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 6 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 7 states have call predecessors, (22), 6 states have call successors, (22) Word has length 213 [2023-11-23 09:07:46,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:46,247 INFO L225 Difference]: With dead ends: 183 [2023-11-23 09:07:46,247 INFO L226 Difference]: Without dead ends: 133 [2023-11-23 09:07:46,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 458 SyntacticMatches, 15 SemanticMatches, 26 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=83, Invalid=481, Unknown=4, NotChecked=188, Total=756 [2023-11-23 09:07:46,248 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 12 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:46,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 807 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 09:07:46,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-23 09:07:46,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2023-11-23 09:07:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 82 states have (on average 1.0975609756097562) internal successors, (90), 84 states have internal predecessors, (90), 33 states have call successors, (33), 16 states have call predecessors, (33), 17 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2023-11-23 09:07:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2023-11-23 09:07:46,255 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 213 [2023-11-23 09:07:46,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:46,256 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2023-11-23 09:07:46,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 6 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 7 states have call predecessors, (22), 6 states have call successors, (22) [2023-11-23 09:07:46,257 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2023-11-23 09:07:46,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-11-23 09:07:46,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:46,258 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:46,277 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 09:07:46,459 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,SelfDestructingSolverStorable15 [2023-11-23 09:07:46,459 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:46,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:46,459 INFO L85 PathProgramCache]: Analyzing trace with hash -514539554, now seen corresponding path program 1 times [2023-11-23 09:07:46,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:46,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148479856] [2023-11-23 09:07:46,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:46,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:07:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:07:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:47,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:47,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:47,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 09:07:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:47,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-23 09:07:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 09:07:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-23 09:07:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2023-11-23 09:07:47,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:47,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148479856] [2023-11-23 09:07:47,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148479856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:47,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:07:47,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 09:07:47,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156086239] [2023-11-23 09:07:47,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:47,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 09:07:47,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:47,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 09:07:47,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:07:47,087 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (26), 5 states have call predecessors, (26), 2 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-23 09:07:47,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:47,855 INFO L93 Difference]: Finished difference Result 186 states and 215 transitions. [2023-11-23 09:07:47,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 09:07:47,855 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (26), 5 states have call predecessors, (26), 2 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) Word has length 231 [2023-11-23 09:07:47,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:47,856 INFO L225 Difference]: With dead ends: 186 [2023-11-23 09:07:47,856 INFO L226 Difference]: Without dead ends: 133 [2023-11-23 09:07:47,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:07:47,857 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 172 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:47,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 214 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 09:07:47,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-23 09:07:47,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2023-11-23 09:07:47,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 82 states have (on average 1.0853658536585367) internal successors, (89), 84 states have internal predecessors, (89), 33 states have call successors, (33), 16 states have call predecessors, (33), 17 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2023-11-23 09:07:47,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2023-11-23 09:07:47,863 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 231 [2023-11-23 09:07:47,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:47,863 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2023-11-23 09:07:47,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 6 states have internal predecessors, (64), 4 states have call successors, (26), 5 states have call predecessors, (26), 2 states have return successors, (25), 3 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-23 09:07:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2023-11-23 09:07:47,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-11-23 09:07:47,865 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:47,865 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:07:47,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-23 09:07:47,865 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:47,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:47,866 INFO L85 PathProgramCache]: Analyzing trace with hash 506528800, now seen corresponding path program 1 times [2023-11-23 09:07:47,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:47,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299123648] [2023-11-23 09:07:47,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:47,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:07:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:07:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 09:07:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-23 09:07:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 09:07:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-23 09:07:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,480 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-11-23 09:07:48,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:48,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299123648] [2023-11-23 09:07:48,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299123648] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:48,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332936781] [2023-11-23 09:07:48,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:48,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:48,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:48,482 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 09:07:48,483 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 09:07:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:48,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 3149 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-23 09:07:48,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:49,049 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 09:07:49,387 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 09:07:51,413 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_29| Int) (|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_48| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_48|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_29|)))) (and (not (= .cse0 0)) (= (select .cse1 (+ 8 |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_29|)) .cse0))))) is different from true [2023-11-23 09:07:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 38 not checked. [2023-11-23 09:07:51,942 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 09:07:52,690 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 84 treesize of output 78 [2023-11-23 09:07:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-11-23 09:07:52,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332936781] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 09:07:52,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 09:07:52,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18, 16] total 37 [2023-11-23 09:07:52,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372598450] [2023-11-23 09:07:52,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 09:07:52,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-23 09:07:52,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:52,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-23 09:07:52,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1146, Unknown=1, NotChecked=68, Total=1332 [2023-11-23 09:07:52,805 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand has 37 states, 29 states have (on average 6.655172413793103) internal successors, (193), 28 states have internal predecessors, (193), 14 states have call successors, (74), 7 states have call predecessors, (74), 14 states have return successors, (75), 20 states have call predecessors, (75), 14 states have call successors, (75) [2023-11-23 09:07:56,906 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 09:07:59,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:08:04,658 WARN L539 Checker$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 09:08:08,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:08:21,026 WARN L539 Checker$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 09:08:29,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-23 09:08:31,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-23 09:08:43,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-23 09:08:45,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-23 09:08:47,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-23 09:08:49,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-23 09:08:55,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:08:57,246 WARN L539 Checker$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 09:08:59,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:01,262 WARN L539 Checker$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 09:09:03,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:05,279 WARN L539 Checker$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 09:09:07,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:09,291 WARN L539 Checker$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 09:09:11,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:13,305 WARN L539 Checker$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 09:09:15,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:17,319 WARN L539 Checker$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 09:09:21,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:23,857 WARN L539 Checker$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 09:09:25,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:27,915 WARN L539 Checker$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 09:09:30,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:32,579 WARN L539 Checker$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 09:09:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:09:32,638 INFO L93 Difference]: Finished difference Result 325 states and 379 transitions. [2023-11-23 09:09:32,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-11-23 09:09:32,639 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 29 states have (on average 6.655172413793103) internal successors, (193), 28 states have internal predecessors, (193), 14 states have call successors, (74), 7 states have call predecessors, (74), 14 states have return successors, (75), 20 states have call predecessors, (75), 14 states have call successors, (75) Word has length 231 [2023-11-23 09:09:32,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:09:32,640 INFO L225 Difference]: With dead ends: 325 [2023-11-23 09:09:32,640 INFO L226 Difference]: Without dead ends: 222 [2023-11-23 09:09:32,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 500 SyntacticMatches, 11 SemanticMatches, 65 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 40.2s TimeCoverageRelationStatistics Valid=443, Invalid=3832, Unknown=19, NotChecked=128, Total=4422 [2023-11-23 09:09:32,642 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 390 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 3186 mSolverCounterSat, 199 mSolverCounterUnsat, 29 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 3649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 3186 IncrementalHoareTripleChecker+Invalid, 29 IncrementalHoareTripleChecker+Unknown, 235 IncrementalHoareTripleChecker+Unchecked, 62.5s IncrementalHoareTripleChecker+Time [2023-11-23 09:09:32,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 430 Invalid, 3649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 3186 Invalid, 29 Unknown, 235 Unchecked, 62.5s Time] [2023-11-23 09:09:32,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-11-23 09:09:32,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 208. [2023-11-23 09:09:32,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 132 states have (on average 1.0909090909090908) internal successors, (144), 135 states have internal predecessors, (144), 47 states have call successors, (47), 26 states have call predecessors, (47), 28 states have return successors, (47), 46 states have call predecessors, (47), 45 states have call successors, (47) [2023-11-23 09:09:32,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 238 transitions. [2023-11-23 09:09:32,660 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 238 transitions. Word has length 231 [2023-11-23 09:09:32,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:09:32,661 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 238 transitions. [2023-11-23 09:09:32,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 29 states have (on average 6.655172413793103) internal successors, (193), 28 states have internal predecessors, (193), 14 states have call successors, (74), 7 states have call predecessors, (74), 14 states have return successors, (75), 20 states have call predecessors, (75), 14 states have call successors, (75) [2023-11-23 09:09:32,661 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 238 transitions. [2023-11-23 09:09:32,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-11-23 09:09:32,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:09:32,663 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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 09:09:32,684 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 09:09:32,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:09:32,876 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:09:32,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:09:32,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1523400447, now seen corresponding path program 1 times [2023-11-23 09:09:32,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:09:32,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922366037] [2023-11-23 09:09:32,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:09:32,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:09:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:09:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:09:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:09:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:09:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:09:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:09:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:09:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:09:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:09:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:09:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:09:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:09:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:09:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:09:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:09:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:09:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 09:09:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-23 09:09:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:09:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 09:09:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-23 09:09:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:33,572 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-11-23 09:09:33,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:09:33,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922366037] [2023-11-23 09:09:33,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922366037] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:09:33,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007353636] [2023-11-23 09:09:33,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:09:33,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:09:33,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:09:33,574 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 09:09:33,585 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 09:09:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:09:34,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 3163 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-23 09:09:34,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:09:34,116 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 09:09:34,505 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 09:09:36,525 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_66| Int) (|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_47| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_66|))) (let ((.cse0 (select .cse1 (+ 8 |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_47|)))) (and (not (= .cse0 0)) (= .cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_47|))))))) is different from true [2023-11-23 09:09:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 38 not checked. [2023-11-23 09:09:37,768 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 09:09:51,281 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 84 treesize of output 78 [2023-11-23 09:09:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-23 09:09:51,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007353636] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 09:09:51,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 09:09:51,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 24, 24] total 52 [2023-11-23 09:09:51,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119822000] [2023-11-23 09:09:51,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 09:09:51,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-11-23 09:09:51,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:09:51,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-11-23 09:09:51,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=2371, Unknown=7, NotChecked=98, Total=2652 [2023-11-23 09:09:51,407 INFO L87 Difference]: Start difference. First operand 208 states and 238 transitions. Second operand has 52 states, 40 states have (on average 4.925) internal successors, (197), 40 states have internal predecessors, (197), 16 states have call successors, (75), 8 states have call predecessors, (75), 14 states have return successors, (75), 20 states have call predecessors, (75), 16 states have call successors, (75) [2023-11-23 09:09:56,045 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 09:09:58,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:10:05,033 WARN L539 Checker$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 09:10:09,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:10:21,628 WARN L539 Checker$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 09:10:25,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-23 09:10:31,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-23 09:10:33,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2023-11-23 09:10:42,405 WARN L539 Checker$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 09:10:48,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:10:50,517 WARN L539 Checker$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 09:10:58,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:11:00,614 WARN L539 Checker$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 09:11:02,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:11:07,165 WARN L539 Checker$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 09:11:09,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:11:11,341 WARN L539 Checker$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 09:11:13,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:11:17,477 WARN L539 Checker$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 09:11:20,315 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 09:11:20,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:11:20,372 INFO L93 Difference]: Finished difference Result 349 states and 401 transitions. [2023-11-23 09:11:20,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-23 09:11:20,372 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 40 states have (on average 4.925) internal successors, (197), 40 states have internal predecessors, (197), 16 states have call successors, (75), 8 states have call predecessors, (75), 14 states have return successors, (75), 20 states have call predecessors, (75), 16 states have call successors, (75) Word has length 232 [2023-11-23 09:11:20,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:11:20,373 INFO L225 Difference]: With dead ends: 349 [2023-11-23 09:11:20,373 INFO L226 Difference]: Without dead ends: 221 [2023-11-23 09:11:20,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 489 SyntacticMatches, 11 SemanticMatches, 95 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 2048 ImplicationChecksByTransitivity, 59.0s TimeCoverageRelationStatistics Valid=814, Invalid=8283, Unknown=27, NotChecked=188, Total=9312 [2023-11-23 09:11:20,376 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 392 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 4434 mSolverCounterSat, 191 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 4865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 4434 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 220 IncrementalHoareTripleChecker+Unchecked, 45.9s IncrementalHoareTripleChecker+Time [2023-11-23 09:11:20,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 651 Invalid, 4865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 4434 Invalid, 20 Unknown, 220 Unchecked, 45.9s Time] [2023-11-23 09:11:20,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-11-23 09:11:20,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 209. [2023-11-23 09:11:20,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 133 states have (on average 1.0827067669172932) internal successors, (144), 136 states have internal predecessors, (144), 47 states have call successors, (47), 26 states have call predecessors, (47), 28 states have return successors, (47), 46 states have call predecessors, (47), 45 states have call successors, (47) [2023-11-23 09:11:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2023-11-23 09:11:20,389 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 232 [2023-11-23 09:11:20,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:11:20,389 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2023-11-23 09:11:20,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 40 states have (on average 4.925) internal successors, (197), 40 states have internal predecessors, (197), 16 states have call successors, (75), 8 states have call predecessors, (75), 14 states have return successors, (75), 20 states have call predecessors, (75), 16 states have call successors, (75) [2023-11-23 09:11:20,389 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2023-11-23 09:11:20,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-23 09:11:20,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:11:20,390 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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 09:11:20,410 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 09:11:20,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:11:20,606 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:11:20,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:11:20,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1172433092, now seen corresponding path program 1 times [2023-11-23 09:11:20,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:11:20,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891373376] [2023-11-23 09:11:20,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:11:20,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:11:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:11:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:11:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:11:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:11:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:11:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:11:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:11:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:11:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:11:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:11:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:11:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:11:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:11:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:11:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:11:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:11:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 09:11:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-11-23 09:11:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:11:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 09:11:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-23 09:11:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,234 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-11-23 09:11:21,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:11:21,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891373376] [2023-11-23 09:11:21,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891373376] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:11:21,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891070647] [2023-11-23 09:11:21,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:11:21,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:11:21,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:11:21,236 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 09:11:21,237 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 09:11:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:11:21,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 3177 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-23 09:11:21,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:11:21,773 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 09:11:22,144 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 09:11:24,170 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_65| Int) (|v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_84| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.base_BEFORE_CALL_84|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_65|)))) (and (not (= .cse0 0)) (= .cse0 (select .cse1 (+ 8 |v_ULTIMATE.start_aws_ring_buffer_clean_up_harness_~#ring_buf~0#1.offset_BEFORE_CALL_65|))))))) is different from true Killed by 15