./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_acquire_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_acquire_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 2293598a72fb26bd355ae2995b6b28cabefb2a1c0a42bb14a43bd85f81ccf59f --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 09:06:24,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 09:06:24,819 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 09:06:24,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 09:06:24,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 09:06:24,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 09:06:24,852 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 09:06:24,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 09:06:24,852 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 09:06:24,853 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 09:06:24,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 09:06:24,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 09:06:24,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 09:06:24,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 09:06:24,854 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 09:06:24,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 09:06:24,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 09:06:24,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 09:06:24,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 09:06:24,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 09:06:24,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 09:06:24,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 09:06:24,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 09:06:24,865 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 09:06:24,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 09:06:24,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 09:06:24,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 09:06:24,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 09:06:24,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 09:06:24,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 09:06:24,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 09:06:24,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 09:06:24,868 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 09:06:24,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 09:06:24,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 09:06:24,869 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 09:06:24,869 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 09:06:24,869 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 09:06:24,869 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 09:06:24,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2293598a72fb26bd355ae2995b6b28cabefb2a1c0a42bb14a43bd85f81ccf59f Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 09:06:25,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 09:06:25,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 09:06:25,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 09:06:25,128 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 09:06:25,129 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 09:06:25,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2023-11-23 09:06:26,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 09:06:26,655 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 09:06:26,656 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_acquire_harness_negated.i [2023-11-23 09:06:26,687 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e6e4fa36/b615e4b0522f49c6993319308d3677d2/FLAGf8d9aefbf [2023-11-23 09:06:26,704 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e6e4fa36/b615e4b0522f49c6993319308d3677d2 [2023-11-23 09:06:26,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 09:06:26,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 09:06:26,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 09:06:26,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 09:06:26,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 09:06:26,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:06:26" (1/1) ... [2023-11-23 09:06:26,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f175fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:26, skipping insertion in model container [2023-11-23 09:06:26,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:06:26" (1/1) ... [2023-11-23 09:06:26,814 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 09:06:27,054 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4497,4510] [2023-11-23 09:06:27,062 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4557,4570] [2023-11-23 09:06:27,668 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:27,670 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:27,671 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:27,672 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:27,672 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:27,695 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:27,697 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:27,699 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:27,699 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:27,944 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 09:06:27,945 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 09:06:27,946 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 09:06:27,947 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 09:06:27,948 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 09:06:27,948 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 09:06:27,949 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 09:06:27,951 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 09:06:27,952 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 09:06:27,953 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 09:06:28,138 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,138 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 09:06:28,271 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 09:06:28,287 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4497,4510] [2023-11-23 09:06:28,288 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_ring_buffer_acquire_harness_negated.i[4557,4570] [2023-11-23 09:06:28,315 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,315 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,315 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,316 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,316 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,320 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,320 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,321 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,321 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,344 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 09:06:28,344 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 09:06:28,345 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 09:06:28,345 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 09:06:28,350 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 09:06:28,350 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 09:06:28,351 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 09:06:28,351 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 09:06:28,351 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 09:06:28,352 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 09:06:28,399 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2023-11-23 09:06:28,400 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,401 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:06:28,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8957-8968] [2023-11-23 09:06:28,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 09:06:28,584 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,584 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,585 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,585 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,585 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,585 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,585 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,586 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,586 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,586 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,586 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,586 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,586 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,587 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,587 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,587 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,587 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,587 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:06:28,594 INFO L206 MainTranslator]: Completed translation [2023-11-23 09:06:28,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28 WrapperNode [2023-11-23 09:06:28,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 09:06:28,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 09:06:28,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 09:06:28,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 09:06:28,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28" (1/1) ... [2023-11-23 09:06:28,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28" (1/1) ... [2023-11-23 09:06:28,738 INFO L138 Inliner]: procedures = 694, calls = 2939, calls flagged for inlining = 62, calls inlined = 12, statements flattened = 1179 [2023-11-23 09:06:28,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 09:06:28,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 09:06:28,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 09:06:28,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 09:06:28,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28" (1/1) ... [2023-11-23 09:06:28,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28" (1/1) ... [2023-11-23 09:06:28,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28" (1/1) ... [2023-11-23 09:06:28,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28" (1/1) ... [2023-11-23 09:06:28,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28" (1/1) ... [2023-11-23 09:06:28,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28" (1/1) ... [2023-11-23 09:06:28,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28" (1/1) ... [2023-11-23 09:06:28,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28" (1/1) ... [2023-11-23 09:06:28,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 09:06:28,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 09:06:28,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 09:06:28,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 09:06:28,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28" (1/1) ... [2023-11-23 09:06:28,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 09:06:28,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:28,862 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 09:06:28,894 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 09:06:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2023-11-23 09:06:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2023-11-23 09:06:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2023-11-23 09:06:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2023-11-23 09:06:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 09:06:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 09:06:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 09:06:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2023-11-23 09:06:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2023-11-23 09:06:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 09:06:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2023-11-23 09:06:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2023-11-23 09:06:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 09:06:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 09:06:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 09:06:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 09:06:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 09:06:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2023-11-23 09:06:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2023-11-23 09:06:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 09:06:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 09:06:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 09:06:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 09:06:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2023-11-23 09:06:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2023-11-23 09:06:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 09:06:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 09:06:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2023-11-23 09:06:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2023-11-23 09:06:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 09:06:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 09:06:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 09:06:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2023-11-23 09:06:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2023-11-23 09:06:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2023-11-23 09:06:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2023-11-23 09:06:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 09:06:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 09:06:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2023-11-23 09:06:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2023-11-23 09:06:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2023-11-23 09:06:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2023-11-23 09:06:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 09:06:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 09:06:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 09:06:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2023-11-23 09:06:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2023-11-23 09:06:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2023-11-23 09:06:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2023-11-23 09:06:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2023-11-23 09:06:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2023-11-23 09:06:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2023-11-23 09:06:28,926 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2023-11-23 09:06:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 09:06:29,203 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 09:06:29,209 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 09:06:30,284 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 09:06:30,444 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 09:06:30,444 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 09:06:30,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:06:30 BoogieIcfgContainer [2023-11-23 09:06:30,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 09:06:30,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 09:06:30,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 09:06:30,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 09:06:30,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:06:26" (1/3) ... [2023-11-23 09:06:30,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c237be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:06:30, skipping insertion in model container [2023-11-23 09:06:30,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:06:28" (2/3) ... [2023-11-23 09:06:30,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c237be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:06:30, skipping insertion in model container [2023-11-23 09:06:30,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:06:30" (3/3) ... [2023-11-23 09:06:30,451 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness_negated.i [2023-11-23 09:06:30,464 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 09:06:30,465 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 09:06:30,505 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 09:06:30,513 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;@54bd94d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 09:06:30,513 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 09:06:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 364 states, 199 states have (on average 1.236180904522613) internal successors, (246), 202 states have internal predecessors, (246), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2023-11-23 09:06:30,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 09:06:30,525 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:30,526 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 09:06:30,527 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 09:06:30,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:30,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1187789210, now seen corresponding path program 1 times [2023-11-23 09:06:30,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:30,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693222197] [2023-11-23 09:06:30,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:30,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:30,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:30,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:31,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:31,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:31,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:31,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:31,053 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 09:06:31,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:31,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693222197] [2023-11-23 09:06:31,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693222197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:31,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:06:31,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 09:06:31,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192919154] [2023-11-23 09:06:31,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:31,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 09:06:31,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:31,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 09:06:31,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 09:06:31,079 INFO L87 Difference]: Start difference. First operand has 364 states, 199 states have (on average 1.236180904522613) internal successors, (246), 202 states have internal predecessors, (246), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 09:06:31,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:31,812 INFO L93 Difference]: Finished difference Result 724 states and 1166 transitions. [2023-11-23 09:06:31,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 09:06:31,814 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 09:06:31,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:31,823 INFO L225 Difference]: With dead ends: 724 [2023-11-23 09:06:31,823 INFO L226 Difference]: Without dead ends: 362 [2023-11-23 09:06:31,828 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 09:06:31,830 INFO L413 NwaCegarLoop]: 384 mSDtfsCounter, 117 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:31,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 517 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 09:06:31,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2023-11-23 09:06:31,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2023-11-23 09:06:31,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 198 states have (on average 1.2121212121212122) internal successors, (240), 201 states have internal predecessors, (240), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2023-11-23 09:06:31,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 523 transitions. [2023-11-23 09:06:31,882 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 523 transitions. Word has length 47 [2023-11-23 09:06:31,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:31,883 INFO L495 AbstractCegarLoop]: Abstraction has 362 states and 523 transitions. [2023-11-23 09:06:31,883 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 09:06:31,883 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 523 transitions. [2023-11-23 09:06:31,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 09:06:31,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:31,885 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 09:06:31,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 09:06:31,885 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 09:06:31,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:31,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1211063272, now seen corresponding path program 1 times [2023-11-23 09:06:31,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:31,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499758971] [2023-11-23 09:06:31,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:31,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:32,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:32,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:32,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:32,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:32,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:32,281 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 09:06:32,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:32,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499758971] [2023-11-23 09:06:32,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499758971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:32,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:06:32,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 09:06:32,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987251769] [2023-11-23 09:06:32,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:32,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 09:06:32,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:32,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 09:06:32,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:06:32,284 INFO L87 Difference]: Start difference. First operand 362 states and 523 transitions. Second operand has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-23 09:06:33,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:33,829 INFO L93 Difference]: Finished difference Result 720 states and 1091 transitions. [2023-11-23 09:06:33,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 09:06:33,830 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 09:06:33,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:33,833 INFO L225 Difference]: With dead ends: 720 [2023-11-23 09:06:33,833 INFO L226 Difference]: Without dead ends: 373 [2023-11-23 09:06:33,835 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 09:06:33,835 INFO L413 NwaCegarLoop]: 383 mSDtfsCounter, 154 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 1831 SdHoareTripleChecker+Invalid, 1689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:33,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 1831 Invalid, 1689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1547 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-23 09:06:33,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2023-11-23 09:06:33,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2023-11-23 09:06:33,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 206 states have (on average 1.2184466019417475) internal successors, (251), 209 states have internal predecessors, (251), 143 states have call successors, (143), 22 states have call predecessors, (143), 22 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2023-11-23 09:06:33,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 536 transitions. [2023-11-23 09:06:33,860 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 536 transitions. Word has length 47 [2023-11-23 09:06:33,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:33,860 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 536 transitions. [2023-11-23 09:06:33,861 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 09:06:33,861 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 536 transitions. [2023-11-23 09:06:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 09:06:33,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:33,862 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 09:06:33,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 09:06:33,863 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 09:06:33,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:33,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1652802566, now seen corresponding path program 1 times [2023-11-23 09:06:33,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:33,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980842743] [2023-11-23 09:06:33,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:33,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:06:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,412 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 09:06:34,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:34,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980842743] [2023-11-23 09:06:34,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980842743] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:34,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193411773] [2023-11-23 09:06:34,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:34,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:34,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:34,443 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 09:06:34,488 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 09:06:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:34,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 2556 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 09:06:34,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:35,018 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 09:06:35,018 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:35,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193411773] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:35,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:35,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-11-23 09:06:35,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461619761] [2023-11-23 09:06:35,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:35,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:06:35,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:35,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:06:35,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:06:35,021 INFO L87 Difference]: Start difference. First operand 373 states and 536 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-23 09:06:35,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:35,933 INFO L93 Difference]: Finished difference Result 388 states and 554 transitions. [2023-11-23 09:06:35,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:06:35,933 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 09:06:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:35,935 INFO L225 Difference]: With dead ends: 388 [2023-11-23 09:06:35,935 INFO L226 Difference]: Without dead ends: 385 [2023-11-23 09:06:35,936 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 09:06:35,936 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 24 mSDsluCounter, 2463 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2963 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:35,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2963 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 09:06:35,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2023-11-23 09:06:35,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2023-11-23 09:06:35,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 215 states have (on average 1.2279069767441861) internal successors, (264), 218 states have internal predecessors, (264), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2023-11-23 09:06:35,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 551 transitions. [2023-11-23 09:06:35,952 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 551 transitions. Word has length 77 [2023-11-23 09:06:35,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:35,952 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 551 transitions. [2023-11-23 09:06:35,953 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 09:06:35,953 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 551 transitions. [2023-11-23 09:06:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-23 09:06:35,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:35,959 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:35,991 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 09:06:36,175 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 09:06:36,175 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:36,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:36,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1294458789, now seen corresponding path program 1 times [2023-11-23 09:06:36,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:36,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128764814] [2023-11-23 09:06:36,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:36,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:06:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:06:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 09:06:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 09:06:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-23 09:06:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-23 09:06:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 09:06:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 09:06:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-23 09:06:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 09:06:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 09:06:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-23 09:06:36,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:36,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128764814] [2023-11-23 09:06:36,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128764814] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:36,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129868740] [2023-11-23 09:06:36,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:36,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:36,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:36,977 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 09:06:36,995 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 09:06:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:37,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 3195 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 09:06:37,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-11-23 09:06:37,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:37,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129868740] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:37,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:37,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-23 09:06:37,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055173439] [2023-11-23 09:06:37,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:37,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 09:06:37,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:37,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 09:06:37,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:06:37,523 INFO L87 Difference]: Start difference. First operand 385 states and 551 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 09:06:37,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:37,958 INFO L93 Difference]: Finished difference Result 739 states and 1072 transitions. [2023-11-23 09:06:37,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 09:06:37,959 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 223 [2023-11-23 09:06:37,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:37,962 INFO L225 Difference]: With dead ends: 739 [2023-11-23 09:06:37,962 INFO L226 Difference]: Without dead ends: 389 [2023-11-23 09:06:37,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-23 09:06:37,964 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 3 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:37,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1487 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 09:06:37,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2023-11-23 09:06:37,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 387. [2023-11-23 09:06:37,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 217 states have (on average 1.2258064516129032) internal successors, (266), 220 states have internal predecessors, (266), 144 states have call successors, (144), 24 states have call predecessors, (144), 24 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2023-11-23 09:06:37,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 553 transitions. [2023-11-23 09:06:37,977 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 553 transitions. Word has length 223 [2023-11-23 09:06:37,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:37,978 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 553 transitions. [2023-11-23 09:06:37,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 09:06:37,978 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 553 transitions. [2023-11-23 09:06:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-23 09:06:37,980 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:37,980 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:38,014 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 09:06:38,195 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 09:06:38,195 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:38,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:38,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1609509861, now seen corresponding path program 1 times [2023-11-23 09:06:38,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:38,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135559110] [2023-11-23 09:06:38,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:38,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:06:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:06:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 09:06:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 09:06:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-23 09:06:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-23 09:06:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 09:06:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 09:06:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-23 09:06:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 09:06:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 09:06:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2023-11-23 09:06:38,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:38,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135559110] [2023-11-23 09:06:38,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135559110] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:38,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930123347] [2023-11-23 09:06:38,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:38,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:38,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:38,797 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 09:06:38,842 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 09:06:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:39,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 3185 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 09:06:39,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:39,424 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2023-11-23 09:06:39,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:39,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930123347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:39,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:39,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-11-23 09:06:39,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315831868] [2023-11-23 09:06:39,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:39,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:06:39,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:39,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:06:39,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:06:39,427 INFO L87 Difference]: Start difference. First operand 387 states and 553 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 09:06:40,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:40,012 INFO L93 Difference]: Finished difference Result 716 states and 1028 transitions. [2023-11-23 09:06:40,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:06:40,014 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 223 [2023-11-23 09:06:40,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:40,020 INFO L225 Difference]: With dead ends: 716 [2023-11-23 09:06:40,020 INFO L226 Difference]: Without dead ends: 396 [2023-11-23 09:06:40,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-23 09:06:40,022 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 15 mSDsluCounter, 2467 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2967 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:40,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2967 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 09:06:40,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-11-23 09:06:40,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2023-11-23 09:06:40,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 223 states have (on average 1.2242152466367713) internal successors, (273), 226 states have internal predecessors, (273), 145 states have call successors, (145), 26 states have call predecessors, (145), 26 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2023-11-23 09:06:40,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 562 transitions. [2023-11-23 09:06:40,041 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 562 transitions. Word has length 223 [2023-11-23 09:06:40,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:40,042 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 562 transitions. [2023-11-23 09:06:40,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-23 09:06:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 562 transitions. [2023-11-23 09:06:40,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-11-23 09:06:40,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:40,047 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:40,064 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 09:06:40,262 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 09:06:40,262 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:40,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:40,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1515417348, now seen corresponding path program 1 times [2023-11-23 09:06:40,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:40,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092932189] [2023-11-23 09:06:40,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:40,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:06:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:06:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 09:06:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 09:06:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-23 09:06:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-23 09:06:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-23 09:06:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 09:06:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-23 09:06:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 09:06:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 09:06:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-23 09:06:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 09:06:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:40,938 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2023-11-23 09:06:40,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:40,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092932189] [2023-11-23 09:06:40,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092932189] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:40,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231833104] [2023-11-23 09:06:40,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:40,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:40,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:40,940 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 09:06:40,964 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 09:06:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:41,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 3235 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 09:06:41,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-11-23 09:06:41,610 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:41,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231833104] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:41,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:41,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2023-11-23 09:06:41,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493141138] [2023-11-23 09:06:41,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:41,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:06:41,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:41,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:06:41,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-23 09:06:41,612 INFO L87 Difference]: Start difference. First operand 396 states and 562 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2023-11-23 09:06:42,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:42,199 INFO L93 Difference]: Finished difference Result 759 states and 1090 transitions. [2023-11-23 09:06:42,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 09:06:42,200 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 231 [2023-11-23 09:06:42,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:42,204 INFO L225 Difference]: With dead ends: 759 [2023-11-23 09:06:42,204 INFO L226 Difference]: Without dead ends: 398 [2023-11-23 09:06:42,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:06:42,206 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 143 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1624 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:42,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1624 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 09:06:42,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-11-23 09:06:42,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2023-11-23 09:06:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 224 states have (on average 1.2232142857142858) internal successors, (274), 228 states have internal predecessors, (274), 145 states have call successors, (145), 26 states have call predecessors, (145), 27 states have return successors, (153), 144 states have call predecessors, (153), 144 states have call successors, (153) [2023-11-23 09:06:42,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 572 transitions. [2023-11-23 09:06:42,222 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 572 transitions. Word has length 231 [2023-11-23 09:06:42,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:42,223 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 572 transitions. [2023-11-23 09:06:42,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2023-11-23 09:06:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 572 transitions. [2023-11-23 09:06:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-23 09:06:42,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:42,225 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:42,257 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 09:06:42,443 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 09:06:42,443 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:42,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:42,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1725371563, now seen corresponding path program 1 times [2023-11-23 09:06:42,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:42,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114421674] [2023-11-23 09:06:42,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:42,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:06:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:06:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 09:06:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 09:06:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 09:06:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-23 09:06:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 09:06:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 09:06:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:42,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 09:06:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 09:06:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-23 09:06:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-23 09:06:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-23 09:06:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,046 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2023-11-23 09:06:43,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:43,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114421674] [2023-11-23 09:06:43,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114421674] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:43,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993138163] [2023-11-23 09:06:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:43,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:43,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:43,048 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 09:06:43,072 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 09:06:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:43,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 3251 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 09:06:43,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-23 09:06:43,689 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:43,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993138163] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:43,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:43,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-11-23 09:06:43,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763047235] [2023-11-23 09:06:43,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:43,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:06:43,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:43,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:06:43,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:06:43,691 INFO L87 Difference]: Start difference. First operand 398 states and 572 transitions. Second operand has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2023-11-23 09:06:44,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:44,421 INFO L93 Difference]: Finished difference Result 740 states and 1070 transitions. [2023-11-23 09:06:44,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:06:44,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) Word has length 233 [2023-11-23 09:06:44,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:44,424 INFO L225 Difference]: With dead ends: 740 [2023-11-23 09:06:44,424 INFO L226 Difference]: Without dead ends: 398 [2023-11-23 09:06:44,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-11-23 09:06:44,426 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 190 mSDsluCounter, 1501 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 1965 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:44,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 1965 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 09:06:44,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-11-23 09:06:44,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2023-11-23 09:06:44,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 224 states have (on average 1.2232142857142858) internal successors, (274), 228 states have internal predecessors, (274), 145 states have call successors, (145), 26 states have call predecessors, (145), 27 states have return successors, (146), 144 states have call predecessors, (146), 144 states have call successors, (146) [2023-11-23 09:06:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 565 transitions. [2023-11-23 09:06:44,439 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 565 transitions. Word has length 233 [2023-11-23 09:06:44,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:44,440 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 565 transitions. [2023-11-23 09:06:44,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2023-11-23 09:06:44,440 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 565 transitions. [2023-11-23 09:06:44,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-23 09:06:44,442 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:44,442 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:44,461 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 09:06:44,658 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 09:06:44,658 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:44,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:44,659 INFO L85 PathProgramCache]: Analyzing trace with hash -290571108, now seen corresponding path program 1 times [2023-11-23 09:06:44,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:44,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311881122] [2023-11-23 09:06:44,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:44,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:44,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:44,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-23 09:06:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 09:06:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 09:06:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 09:06:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 09:06:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-23 09:06:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 09:06:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 09:06:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-23 09:06:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-23 09:06:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-23 09:06:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-23 09:06:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-23 09:06:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-11-23 09:06:45,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:45,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311881122] [2023-11-23 09:06:45,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311881122] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:45,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225430335] [2023-11-23 09:06:45,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:45,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:45,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:45,241 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 09:06:45,266 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 09:06:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:45,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 3267 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 09:06:45,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-23 09:06:45,823 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:45,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225430335] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:45,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:45,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2023-11-23 09:06:45,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979619119] [2023-11-23 09:06:45,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:45,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:06:45,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:45,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:06:45,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:06:45,825 INFO L87 Difference]: Start difference. First operand 398 states and 565 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:06:46,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:46,737 INFO L93 Difference]: Finished difference Result 797 states and 1135 transitions. [2023-11-23 09:06:46,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:06:46,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 235 [2023-11-23 09:06:46,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:46,739 INFO L225 Difference]: With dead ends: 797 [2023-11-23 09:06:46,739 INFO L226 Difference]: Without dead ends: 410 [2023-11-23 09:06:46,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-23 09:06:46,741 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 6 mSDsluCounter, 1929 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2419 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:46,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2419 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 09:06:46,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2023-11-23 09:06:46,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 406. [2023-11-23 09:06:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 229 states have (on average 1.2139737991266375) internal successors, (278), 233 states have internal predecessors, (278), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (148), 145 states have call predecessors, (148), 145 states have call successors, (148) [2023-11-23 09:06:46,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 572 transitions. [2023-11-23 09:06:46,755 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 572 transitions. Word has length 235 [2023-11-23 09:06:46,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:46,756 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 572 transitions. [2023-11-23 09:06:46,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:06:46,756 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 572 transitions. [2023-11-23 09:06:46,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-23 09:06:46,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:46,758 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:46,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-23 09:06:46,974 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 09:06:46,974 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:46,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:46,975 INFO L85 PathProgramCache]: Analyzing trace with hash -760912456, now seen corresponding path program 1 times [2023-11-23 09:06:46,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:46,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924512574] [2023-11-23 09:06:46,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:46,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 09:06:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 09:06:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 09:06:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 09:06:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-23 09:06:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 09:06:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 09:06:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 09:06:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-23 09:06:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-23 09:06:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-23 09:06:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-23 09:06:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 09:06:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-11-23 09:06:47,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:47,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924512574] [2023-11-23 09:06:47,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924512574] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:47,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625797484] [2023-11-23 09:06:47,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:47,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:47,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:47,643 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 09:06:47,645 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 09:06:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:48,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 3271 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:06:48,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-23 09:06:48,254 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:48,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625797484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:48,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:48,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-23 09:06:48,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247532834] [2023-11-23 09:06:48,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:48,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:06:48,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:48,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:06:48,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:06:48,258 INFO L87 Difference]: Start difference. First operand 406 states and 572 transitions. Second operand has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:06:48,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:48,976 INFO L93 Difference]: Finished difference Result 807 states and 1136 transitions. [2023-11-23 09:06:48,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:06:48,976 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 237 [2023-11-23 09:06:48,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:48,978 INFO L225 Difference]: With dead ends: 807 [2023-11-23 09:06:48,978 INFO L226 Difference]: Without dead ends: 410 [2023-11-23 09:06:48,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-11-23 09:06:48,980 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 18 mSDsluCounter, 1910 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 2396 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:48,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 2396 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 09:06:48,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2023-11-23 09:06:49,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 408. [2023-11-23 09:06:49,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 230 states have (on average 1.208695652173913) internal successors, (278), 235 states have internal predecessors, (278), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2023-11-23 09:06:49,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 573 transitions. [2023-11-23 09:06:49,004 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 573 transitions. Word has length 237 [2023-11-23 09:06:49,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:49,005 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 573 transitions. [2023-11-23 09:06:49,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:06:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 573 transitions. [2023-11-23 09:06:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-23 09:06:49,006 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:49,006 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:49,038 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 09:06:49,207 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 09:06:49,207 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:49,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:49,208 INFO L85 PathProgramCache]: Analyzing trace with hash -2067259740, now seen corresponding path program 1 times [2023-11-23 09:06:49,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:49,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148966287] [2023-11-23 09:06:49,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:49,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 09:06:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 09:06:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-23 09:06:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 09:06:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-23 09:06:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:49,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-23 09:06:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 09:06:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-23 09:06:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-23 09:06:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-11-23 09:06:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-11-23 09:06:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-23 09:06:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-23 09:06:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,074 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2023-11-23 09:06:50,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:50,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148966287] [2023-11-23 09:06:50,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148966287] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:50,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866534466] [2023-11-23 09:06:50,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:50,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:50,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:50,076 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 09:06:50,113 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 09:06:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:50,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 3275 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:06:50,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-23 09:06:50,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:50,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866534466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:50,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:50,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-11-23 09:06:50,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157485929] [2023-11-23 09:06:50,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:50,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:06:50,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:50,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:06:50,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:06:50,719 INFO L87 Difference]: Start difference. First operand 408 states and 573 transitions. Second operand has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:06:51,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:51,960 INFO L93 Difference]: Finished difference Result 809 states and 1136 transitions. [2023-11-23 09:06:51,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:06:51,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 239 [2023-11-23 09:06:51,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:51,963 INFO L225 Difference]: With dead ends: 809 [2023-11-23 09:06:51,963 INFO L226 Difference]: Without dead ends: 412 [2023-11-23 09:06:51,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-11-23 09:06:51,965 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 16 mSDsluCounter, 2389 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2874 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:51,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2874 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-23 09:06:51,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-23 09:06:52,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 408. [2023-11-23 09:06:52,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 230 states have (on average 1.2043478260869565) internal successors, (277), 235 states have internal predecessors, (277), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2023-11-23 09:06:52,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 572 transitions. [2023-11-23 09:06:52,004 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 572 transitions. Word has length 239 [2023-11-23 09:06:52,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:52,005 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 572 transitions. [2023-11-23 09:06:52,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:06:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 572 transitions. [2023-11-23 09:06:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-23 09:06:52,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:52,007 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:52,030 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 09:06:52,220 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 09:06:52,220 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:52,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:52,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1661007160, now seen corresponding path program 1 times [2023-11-23 09:06:52,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:52,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367348472] [2023-11-23 09:06:52,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:52,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 09:06:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 09:06:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-23 09:06:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 09:06:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 09:06:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 09:06:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 09:06:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 09:06:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-23 09:06:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-23 09:06:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-23 09:06:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 09:06:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-23 09:06:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-23 09:06:52,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:52,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367348472] [2023-11-23 09:06:52,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367348472] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:52,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003743511] [2023-11-23 09:06:52,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:52,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:52,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:52,982 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 09:06:53,034 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 09:06:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:53,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 3279 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:06:53,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:53,609 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-23 09:06:53,609 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:53,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003743511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:53,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:53,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2023-11-23 09:06:53,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442697592] [2023-11-23 09:06:53,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:53,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:06:53,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:53,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:06:53,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-23 09:06:53,611 INFO L87 Difference]: Start difference. First operand 408 states and 572 transitions. Second operand has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:06:54,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:54,355 INFO L93 Difference]: Finished difference Result 809 states and 1134 transitions. [2023-11-23 09:06:54,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:06:54,355 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 241 [2023-11-23 09:06:54,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:54,357 INFO L225 Difference]: With dead ends: 809 [2023-11-23 09:06:54,357 INFO L226 Difference]: Without dead ends: 412 [2023-11-23 09:06:54,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-11-23 09:06:54,359 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 15 mSDsluCounter, 2386 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:54,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2870 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 09:06:54,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-23 09:06:54,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 408. [2023-11-23 09:06:54,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 230 states have (on average 1.2) internal successors, (276), 235 states have internal predecessors, (276), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (149), 145 states have call predecessors, (149), 145 states have call successors, (149) [2023-11-23 09:06:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 571 transitions. [2023-11-23 09:06:54,373 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 571 transitions. Word has length 241 [2023-11-23 09:06:54,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:54,373 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 571 transitions. [2023-11-23 09:06:54,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.0) internal successors, (78), 7 states have internal predecessors, (78), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-11-23 09:06:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 571 transitions. [2023-11-23 09:06:54,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2023-11-23 09:06:54,375 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:54,375 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:54,392 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 09:06:54,591 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 09:06:54,592 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:54,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:54,592 INFO L85 PathProgramCache]: Analyzing trace with hash -132571476, now seen corresponding path program 1 times [2023-11-23 09:06:54,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:54,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663828059] [2023-11-23 09:06:54,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:54,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:06:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:06:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-23 09:06:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 09:06:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-23 09:06:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-23 09:06:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 09:06:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-23 09:06:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 09:06:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:06:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-23 09:06:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-23 09:06:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-23 09:06:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-23 09:06:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 09:06:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-23 09:06:55,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:55,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663828059] [2023-11-23 09:06:55,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663828059] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:55,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569217907] [2023-11-23 09:06:55,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:55,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:55,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:55,255 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 09:06:55,299 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 09:06:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:55,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 3283 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 09:06:55,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-11-23 09:06:55,888 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:55,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569217907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:55,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:55,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2023-11-23 09:06:55,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161631763] [2023-11-23 09:06:55,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:55,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 09:06:55,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:55,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 09:06:55,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-23 09:06:55,890 INFO L87 Difference]: Start difference. First operand 408 states and 571 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:06:56,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:56,495 INFO L93 Difference]: Finished difference Result 791 states and 1151 transitions. [2023-11-23 09:06:56,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:06:56,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 243 [2023-11-23 09:06:56,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:56,497 INFO L225 Difference]: With dead ends: 791 [2023-11-23 09:06:56,498 INFO L226 Difference]: Without dead ends: 408 [2023-11-23 09:06:56,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-23 09:06:56,499 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 6 mSDsluCounter, 1953 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2448 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:56,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2448 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 09:06:56,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-23 09:06:56,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2023-11-23 09:06:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 229 states have (on average 1.1877729257641922) internal successors, (272), 233 states have internal predecessors, (272), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2023-11-23 09:06:56,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 565 transitions. [2023-11-23 09:06:56,511 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 565 transitions. Word has length 243 [2023-11-23 09:06:56,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:56,512 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 565 transitions. [2023-11-23 09:06:56,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:06:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 565 transitions. [2023-11-23 09:06:56,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-11-23 09:06:56,513 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:56,514 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:56,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 09:06:56,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-23 09:06:56,740 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:56,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:56,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1594911248, now seen corresponding path program 1 times [2023-11-23 09:06:56,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:56,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320976045] [2023-11-23 09:06:56,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:56,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:06:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:06:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 09:06:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 09:06:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:06:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-23 09:06:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:06:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-23 09:06:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-23 09:06:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-23 09:06:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 09:06:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 09:06:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-23 09:06:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:06:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-23 09:06:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-11-23 09:06:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-23 09:06:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 09:06:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-23 09:06:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 8 proven. 50 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-23 09:06:57,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:57,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320976045] [2023-11-23 09:06:57,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320976045] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:57,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088473034] [2023-11-23 09:06:57,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:57,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:57,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:57,425 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:06:57,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 09:06:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:58,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 3293 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:06:58,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:06:58,073 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-23 09:06:58,073 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:06:58,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088473034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:06:58,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:06:58,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-23 09:06:58,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614912955] [2023-11-23 09:06:58,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:06:58,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:06:58,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:06:58,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:06:58,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:06:58,076 INFO L87 Difference]: Start difference. First operand 406 states and 565 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:06:58,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:06:58,752 INFO L93 Difference]: Finished difference Result 781 states and 1131 transitions. [2023-11-23 09:06:58,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:06:58,753 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 248 [2023-11-23 09:06:58,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:06:58,755 INFO L225 Difference]: With dead ends: 781 [2023-11-23 09:06:58,755 INFO L226 Difference]: Without dead ends: 406 [2023-11-23 09:06:58,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-11-23 09:06:58,757 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 16 mSDsluCounter, 2415 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2905 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 09:06:58,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2905 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 09:06:58,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2023-11-23 09:06:58,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2023-11-23 09:06:58,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 229 states have (on average 1.1834061135371179) internal successors, (271), 233 states have internal predecessors, (271), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2023-11-23 09:06:58,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 564 transitions. [2023-11-23 09:06:58,772 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 564 transitions. Word has length 248 [2023-11-23 09:06:58,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:06:58,772 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 564 transitions. [2023-11-23 09:06:58,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:06:58,773 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 564 transitions. [2023-11-23 09:06:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2023-11-23 09:06:58,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:06:58,774 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:06:58,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 09:06:58,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-23 09:06:58,991 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:06:58,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:06:58,991 INFO L85 PathProgramCache]: Analyzing trace with hash -138561296, now seen corresponding path program 1 times [2023-11-23 09:06:58,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:06:58,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666725233] [2023-11-23 09:06:58,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:58,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:06:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:06:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:06:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:06:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:06:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:06:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:06:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:06:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:06:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 09:06:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 09:06:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 09:06:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 09:06:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-23 09:06:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-11-23 09:06:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-23 09:06:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-11-23 09:06:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-23 09:06:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 09:06:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 09:06:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 09:06:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-11-23 09:06:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-11-23 09:06:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-23 09:06:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-23 09:06:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:06:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-23 09:06:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:06:59,706 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 10 proven. 53 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2023-11-23 09:06:59,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:06:59,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666725233] [2023-11-23 09:06:59,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666725233] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:06:59,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793793320] [2023-11-23 09:06:59,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:06:59,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:06:59,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:06:59,708 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 09:06:59,709 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 09:07:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:00,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 3301 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:07:00,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:00,327 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2023-11-23 09:07:00,327 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:00,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793793320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:00,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:00,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-23 09:07:00,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713626477] [2023-11-23 09:07:00,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:00,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:07:00,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:00,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:07:00,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:07:00,329 INFO L87 Difference]: Start difference. First operand 406 states and 564 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:07:01,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:01,240 INFO L93 Difference]: Finished difference Result 783 states and 1131 transitions. [2023-11-23 09:07:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:07:01,252 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 252 [2023-11-23 09:07:01,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:01,254 INFO L225 Difference]: With dead ends: 783 [2023-11-23 09:07:01,254 INFO L226 Difference]: Without dead ends: 408 [2023-11-23 09:07:01,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-11-23 09:07:01,255 INFO L413 NwaCegarLoop]: 489 mSDtfsCounter, 17 mSDsluCounter, 1928 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2417 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:01,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2417 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-23 09:07:01,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-23 09:07:01,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2023-11-23 09:07:01,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 229 states have (on average 1.1790393013100438) internal successors, (270), 233 states have internal predecessors, (270), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2023-11-23 09:07:01,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 563 transitions. [2023-11-23 09:07:01,269 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 563 transitions. Word has length 252 [2023-11-23 09:07:01,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:01,269 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 563 transitions. [2023-11-23 09:07:01,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:07:01,270 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 563 transitions. [2023-11-23 09:07:01,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-23 09:07:01,271 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:01,271 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:07:01,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-23 09:07:01,491 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 09:07:01,491 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:01,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:01,492 INFO L85 PathProgramCache]: Analyzing trace with hash -529076880, now seen corresponding path program 1 times [2023-11-23 09:07:01,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:01,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748660669] [2023-11-23 09:07:01,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:01,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 09:07:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 09:07:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-11-23 09:07:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-11-23 09:07:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-23 09:07:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-23 09:07:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-23 09:07:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-23 09:07:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 09:07:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 09:07:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 09:07:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-23 09:07:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-23 09:07:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-23 09:07:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-23 09:07:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-23 09:07:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,131 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2023-11-23 09:07:02,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:02,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748660669] [2023-11-23 09:07:02,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748660669] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:02,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78626349] [2023-11-23 09:07:02,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:02,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:02,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:02,153 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 09:07:02,154 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 09:07:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:02,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 3309 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 09:07:02,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-23 09:07:02,832 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:02,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78626349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:02,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:02,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2023-11-23 09:07:02,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140970287] [2023-11-23 09:07:02,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:02,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:07:02,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:02,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:07:02,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-23 09:07:02,834 INFO L87 Difference]: Start difference. First operand 406 states and 563 transitions. Second operand has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:07:03,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:03,388 INFO L93 Difference]: Finished difference Result 783 states and 1129 transitions. [2023-11-23 09:07:03,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 09:07:03,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 256 [2023-11-23 09:07:03,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:03,391 INFO L225 Difference]: With dead ends: 783 [2023-11-23 09:07:03,391 INFO L226 Difference]: Without dead ends: 408 [2023-11-23 09:07:03,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2023-11-23 09:07:03,392 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 17 mSDsluCounter, 1926 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:03,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2414 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 09:07:03,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-23 09:07:03,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2023-11-23 09:07:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 229 states have (on average 1.1746724890829694) internal successors, (269), 233 states have internal predecessors, (269), 146 states have call successors, (146), 28 states have call predecessors, (146), 29 states have return successors, (147), 145 states have call predecessors, (147), 145 states have call successors, (147) [2023-11-23 09:07:03,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 562 transitions. [2023-11-23 09:07:03,404 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 562 transitions. Word has length 256 [2023-11-23 09:07:03,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:03,404 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 562 transitions. [2023-11-23 09:07:03,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.333333333333334) internal successors, (86), 7 states have internal predecessors, (86), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2023-11-23 09:07:03,404 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 562 transitions. [2023-11-23 09:07:03,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-11-23 09:07:03,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:03,406 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:07:03,441 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 09:07:03,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-23 09:07:03,623 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:03,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:03,623 INFO L85 PathProgramCache]: Analyzing trace with hash 339093104, now seen corresponding path program 2 times [2023-11-23 09:07:03,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:03,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924893885] [2023-11-23 09:07:03,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:03,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:07:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:07:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 09:07:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 09:07:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 09:07:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 09:07:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-11-23 09:07:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-23 09:07:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-23 09:07:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 09:07:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-23 09:07:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-23 09:07:04,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:04,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924893885] [2023-11-23 09:07:04,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924893885] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:04,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282279178] [2023-11-23 09:07:04,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-23 09:07:04,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:04,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:04,122 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 09:07:04,123 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 09:07:04,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-23 09:07:04,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-23 09:07:04,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 3317 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 09:07:04,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:04,981 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-23 09:07:04,981 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 09:07:04,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282279178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:04,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 09:07:04,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2023-11-23 09:07:04,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135516018] [2023-11-23 09:07:04,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:04,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 09:07:04,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:04,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 09:07:04,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:07:04,983 INFO L87 Difference]: Start difference. First operand 406 states and 562 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-23 09:07:05,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:05,523 INFO L93 Difference]: Finished difference Result 761 states and 1073 transitions. [2023-11-23 09:07:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 09:07:05,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 260 [2023-11-23 09:07:05,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:05,525 INFO L225 Difference]: With dead ends: 761 [2023-11-23 09:07:05,525 INFO L226 Difference]: Without dead ends: 408 [2023-11-23 09:07:05,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 09:07:05,527 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 140 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:05,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 1641 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 09:07:05,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-23 09:07:05,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2023-11-23 09:07:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 230 states have (on average 1.173913043478261) internal successors, (270), 235 states have internal predecessors, (270), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (157), 145 states have call predecessors, (157), 145 states have call successors, (157) [2023-11-23 09:07:05,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 573 transitions. [2023-11-23 09:07:05,539 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 573 transitions. Word has length 260 [2023-11-23 09:07:05,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:05,539 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 573 transitions. [2023-11-23 09:07:05,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-23 09:07:05,540 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 573 transitions. [2023-11-23 09:07:05,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-23 09:07:05,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:05,541 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:07:05,559 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 09:07:05,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:05,757 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:05,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:05,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1382610011, now seen corresponding path program 1 times [2023-11-23 09:07:05,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:05,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886286838] [2023-11-23 09:07:05,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:05,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:07:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:07:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 09:07:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 09:07:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 09:07:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-23 09:07:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-23 09:07:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-23 09:07:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-23 09:07:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-23 09:07:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-23 09:07:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:06,325 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-11-23 09:07:06,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:06,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886286838] [2023-11-23 09:07:06,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886286838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:07:06,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:07:06,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 09:07:06,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144379868] [2023-11-23 09:07:06,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:07:06,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 09:07:06,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:06,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 09:07:06,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 09:07:06,327 INFO L87 Difference]: Start difference. First operand 408 states and 573 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-23 09:07:07,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:07:07,864 INFO L93 Difference]: Finished difference Result 757 states and 1071 transitions. [2023-11-23 09:07:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 09:07:07,865 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 266 [2023-11-23 09:07:07,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:07:07,867 INFO L225 Difference]: With dead ends: 757 [2023-11-23 09:07:07,868 INFO L226 Difference]: Without dead ends: 408 [2023-11-23 09:07:07,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-23 09:07:07,869 INFO L413 NwaCegarLoop]: 369 mSDtfsCounter, 306 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 09:07:07,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1305 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 09:07:07,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2023-11-23 09:07:07,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2023-11-23 09:07:07,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 230 states have (on average 1.173913043478261) internal successors, (270), 235 states have internal predecessors, (270), 146 states have call successors, (146), 28 states have call predecessors, (146), 30 states have return successors, (150), 145 states have call predecessors, (150), 145 states have call successors, (150) [2023-11-23 09:07:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 566 transitions. [2023-11-23 09:07:07,894 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 566 transitions. Word has length 266 [2023-11-23 09:07:07,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:07:07,895 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 566 transitions. [2023-11-23 09:07:07,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 4 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2023-11-23 09:07:07,895 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 566 transitions. [2023-11-23 09:07:07,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-11-23 09:07:07,896 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:07:07,896 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 09:07:07,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-23 09:07:07,896 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:07:07,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:07:07,896 INFO L85 PathProgramCache]: Analyzing trace with hash 11120518, now seen corresponding path program 1 times [2023-11-23 09:07:07,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:07:07,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492421556] [2023-11-23 09:07:07,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:07,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:07:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:07:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 09:07:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 09:07:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 09:07:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 09:07:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 09:07:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-23 09:07:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 09:07:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 09:07:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 09:07:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 09:07:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 09:07:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-23 09:07:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 09:07:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 09:07:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 09:07:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-23 09:07:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-23 09:07:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-23 09:07:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-23 09:07:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:07:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-23 09:07:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2023-11-23 09:07:12,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:07:12,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492421556] [2023-11-23 09:07:12,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492421556] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:12,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272621056] [2023-11-23 09:07:12,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:07:12,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 09:07:12,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:07:12,964 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 09:07:12,965 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 09:07:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:07:13,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 3351 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-23 09:07:13,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 09:07:13,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-23 09:07:13,696 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 09:07:14,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2023-11-23 09:07:16,666 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_32| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_9| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_32|))) (let ((.cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_9| 32)))) (and (not (= .cse0 0)) (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_9| 8))))))) is different from true [2023-11-23 09:07:19,002 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_33| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_10| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_33|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_10|)))) (and (not (= .cse0 0)) (= (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_10| 8)) .cse0))))) is different from true [2023-11-23 09:07:21,123 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_34| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_11| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_34|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_11|)))) (and (not (= .cse0 0)) (= (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_11| 8)) .cse0))))) is different from true [2023-11-23 09:07:21,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-11-23 09:07:23,201 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_35| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_12| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_35|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_12|)))) (and (not (= .cse0 0)) (= (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_12| 8)) .cse0))))) is different from true [2023-11-23 09:07:23,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2023-11-23 09:07:25,337 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_13| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_36| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_36|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_13|)))) (and (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_13| 8))) (not (= .cse0 0)))))) is different from true [2023-11-23 09:07:27,425 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_14| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_37| Int)) (let ((.cse0 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base_BEFORE_CALL_37|))) (let ((.cse1 (select .cse0 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_14|)))) (and (= (select .cse0 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset_BEFORE_CALL_14| 8)) .cse1) (not (= .cse1 0)))))) is different from true [2023-11-23 09:07:29,531 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_1| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_2|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_1|)))) (and (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_1| 8))) (not (= .cse0 0)))))) is different from true [2023-11-23 09:07:31,796 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_2| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_3|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_2|)))) (and (not (= .cse0 0)) (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_2| 8))))))) is different from true [2023-11-23 09:07:33,882 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_3| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_4|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_3|)))) (and (not (= .cse0 0)) (= (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_3| 8)) .cse0))))) is different from true [2023-11-23 09:07:36,032 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_5| Int)) (let ((.cse0 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_5|))) (let ((.cse1 (select .cse0 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_4|)))) (and (= (select .cse0 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_4| 8)) .cse1) (not (= .cse1 0)))))) is different from true [2023-11-23 09:07:38,109 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_6| Int)) (let ((.cse0 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_6|))) (let ((.cse1 (select .cse0 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_5|)))) (and (= (select .cse0 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_5| 8)) .cse1) (not (= .cse1 0)))))) is different from true [2023-11-23 09:07:42,341 WARN L876 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_7| Int)) (let ((.cse1 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_7|))) (let ((.cse0 (select .cse1 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_6|)))) (and (= .cse0 (select .cse1 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_6| 8))) (not (= .cse0 0)))))) (exists ((|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_6| Int)) (let ((.cse2 (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.base_BEFORE_CALL_6|))) (let ((.cse3 (select .cse2 (+ 32 |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_5|)))) (and (= (select .cse2 (+ |v_ULTIMATE.start_aws_ring_buffer_acquire_~ring_buf#1.offset_BEFORE_CALL_5| 8)) .cse3) (not (= .cse3 0))))))) is different from true [2023-11-23 09:07:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 315 not checked. [2023-11-23 09:07:42,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 09:07:43,003 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1626 (Array Int Int))) (not (= 0 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_byte_buf_has_allocated_buffer_member_~buf#1.base| v_ArrVal_1626) |c_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.base|) (+ 8 |c_ULTIMATE.start_aws_ring_buffer_acquire_harness_~#ring_buf~0#1.offset|))))) is different from false [2023-11-23 09:07:43,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272621056] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 09:07:43,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-23 09:07:43,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28] total 55 [2023-11-23 09:07:43,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819169191] [2023-11-23 09:07:43,011 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-23 09:07:43,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-11-23 09:07:43,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:07:43,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-11-23 09:07:43,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=2319, Unknown=14, NotChecked=1404, Total=3906 [2023-11-23 09:07:43,014 INFO L87 Difference]: Start difference. First operand 408 states and 566 transitions. Second operand has 55 states, 45 states have (on average 5.177777777777778) internal successors, (233), 45 states have internal predecessors, (233), 23 states have call successors, (70), 16 states have call predecessors, (70), 22 states have return successors, (70), 26 states have call predecessors, (70), 23 states have call successors, (70) [2023-11-23 09:07:49,335 WARN L539 Checker$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 09:07:51,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:08:15,391 WARN L539 Checker$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 09:08:21,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:09:48,416 WARN L539 Checker$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 09:10:22,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:10:24,585 WARN L539 Checker$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 09:10:26,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:10:28,796 WARN L539 Checker$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 09:10:30,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:10:33,378 WARN L539 Checker$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 09:10:35,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:10:37,474 WARN L539 Checker$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 09:10:39,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 09:10:42,051 WARN L539 Checker$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 09:10:45,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] Killed by 15