./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --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 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:07:03,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:07:03,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:07:03,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:07:03,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:07:03,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:07:03,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:07:03,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:07:03,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:07:03,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:07:03,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:07:03,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:07:03,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:07:03,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:07:03,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:07:03,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:07:03,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:07:03,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:07:03,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:07:03,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:07:03,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:07:03,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:07:03,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:07:03,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:07:03,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:07:03,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:07:03,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:07:03,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:07:03,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:07:03,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:07:03,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:07:03,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:07:03,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:07:03,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:07:03,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:07:03,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:07:03,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:07:03,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:07:03,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:07:03,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:07:03,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:07:03,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 00:07:03,570 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:07:03,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:07:03,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:07:03,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:07:03,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:07:03,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:07:03,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:07:03,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:07:03,573 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:07:03,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:07:03,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:07:03,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:07:03,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:07:03,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:07:03,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:07:03,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:07:03,574 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:07:03,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:07:03,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:07:03,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:07:03,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:07:03,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:07:03,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:07:03,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:07:03,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:07:03,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:07:03,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:07:03,576 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:07:03,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:07:03,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:07:03,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:07:03,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e [2021-12-07 00:07:03,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:07:03,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:07:03,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:07:03,789 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:07:03,790 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:07:03,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2021-12-07 00:07:03,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/data/b7b43312b/1f5fc70306774756b662c04039802d1a/FLAG4e1a2580a [2021-12-07 00:07:04,445 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:07:04,445 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2021-12-07 00:07:04,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/data/b7b43312b/1f5fc70306774756b662c04039802d1a/FLAG4e1a2580a [2021-12-07 00:07:04,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/data/b7b43312b/1f5fc70306774756b662c04039802d1a [2021-12-07 00:07:04,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:07:04,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:07:04,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:07:04,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:07:04,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:07:04,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:07:04" (1/1) ... [2021-12-07 00:07:04,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d495c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:04, skipping insertion in model container [2021-12-07 00:07:04,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:07:04" (1/1) ... [2021-12-07 00:07:04,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:07:04,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:07:05,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-12-07 00:07:05,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-12-07 00:07:06,041 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,042 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,042 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,043 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,043 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,053 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,054 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,055 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,056 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,366 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-07 00:07:06,366 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-07 00:07:06,367 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-07 00:07:06,368 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-07 00:07:06,369 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-07 00:07:06,369 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-07 00:07:06,370 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-07 00:07:06,370 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-07 00:07:06,371 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-07 00:07:06,371 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-07 00:07:06,497 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-07 00:07:06,559 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,559 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:07:06,662 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:07:06,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-12-07 00:07:06,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-12-07 00:07:06,697 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,697 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,697 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,697 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,698 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,702 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,702 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,724 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-12-07 00:07:06,725 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-12-07 00:07:06,725 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-12-07 00:07:06,726 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-12-07 00:07:06,726 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-12-07 00:07:06,726 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-12-07 00:07:06,727 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-12-07 00:07:06,727 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-12-07 00:07:06,727 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-12-07 00:07:06,728 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-12-07 00:07:06,741 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-12-07 00:07:06,790 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,790 WARN L1533 CHandler]: Possible shadowing of function index [2021-12-07 00:07:06,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:07:06,963 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:07:06,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:06 WrapperNode [2021-12-07 00:07:06,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:07:06,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:07:06,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:07:06,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:07:06,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:06" (1/1) ... [2021-12-07 00:07:07,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:06" (1/1) ... [2021-12-07 00:07:07,097 INFO L137 Inliner]: procedures = 695, calls = 2942, calls flagged for inlining = 60, calls inlined = 9, statements flattened = 1014 [2021-12-07 00:07:07,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:07:07,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:07:07,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:07:07,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:07:07,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:06" (1/1) ... [2021-12-07 00:07:07,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:06" (1/1) ... [2021-12-07 00:07:07,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:06" (1/1) ... [2021-12-07 00:07:07,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:06" (1/1) ... [2021-12-07 00:07:07,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:06" (1/1) ... [2021-12-07 00:07:07,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:06" (1/1) ... [2021-12-07 00:07:07,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:06" (1/1) ... [2021-12-07 00:07:07,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:07:07,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:07:07,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:07:07,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:07:07,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:06" (1/1) ... [2021-12-07 00:07:07,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:07:07,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:07,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:07:07,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:07:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-12-07 00:07:07,232 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-12-07 00:07:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-12-07 00:07:07,232 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-12-07 00:07:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:07:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-12-07 00:07:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-12-07 00:07:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-12-07 00:07:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-12-07 00:07:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-12-07 00:07:07,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-12-07 00:07:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:07:07,233 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2021-12-07 00:07:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2021-12-07 00:07:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-07 00:07:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-07 00:07:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 00:07:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:07:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 00:07:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-12-07 00:07:07,234 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-12-07 00:07:07,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:07:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:07:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-12-07 00:07:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-12-07 00:07:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-12-07 00:07:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-12-07 00:07:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 00:07:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 00:07:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-07 00:07:07,235 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-07 00:07:07,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:07:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 00:07:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 00:07:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-12-07 00:07:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-12-07 00:07:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-12-07 00:07:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-12-07 00:07:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2021-12-07 00:07:07,236 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2021-12-07 00:07:07,236 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2021-12-07 00:07:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2021-12-07 00:07:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-12-07 00:07:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-12-07 00:07:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-12-07 00:07:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-12-07 00:07:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-12-07 00:07:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-12-07 00:07:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2021-12-07 00:07:07,237 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2021-12-07 00:07:07,237 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-12-07 00:07:07,238 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-12-07 00:07:07,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:07:07,474 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:07:07,475 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:07:08,527 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:07:08,536 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:07:08,536 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 00:07:08,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:07:08 BoogieIcfgContainer [2021-12-07 00:07:08,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:07:08,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:07:08,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:07:08,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:07:08,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:07:04" (1/3) ... [2021-12-07 00:07:08,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127c00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:07:08, skipping insertion in model container [2021-12-07 00:07:08,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:07:06" (2/3) ... [2021-12-07 00:07:08,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127c00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:07:08, skipping insertion in model container [2021-12-07 00:07:08,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:07:08" (3/3) ... [2021-12-07 00:07:08,544 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2021-12-07 00:07:08,549 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:07:08,549 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-07 00:07:08,597 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:07:08,604 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:07:08,604 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-07 00:07:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 300 states, 191 states have (on average 1.219895287958115) internal successors, (233), 193 states have internal predecessors, (233), 87 states have call successors, (87), 20 states have call predecessors, (87), 20 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-12-07 00:07:08,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-07 00:07:08,630 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:08,631 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:08,631 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:08,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:08,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1737794593, now seen corresponding path program 1 times [2021-12-07 00:07:08,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:08,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288250292] [2021-12-07 00:07:08,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:08,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-07 00:07:09,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:09,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288250292] [2021-12-07 00:07:09,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288250292] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:09,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:09,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:07:09,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117510439] [2021-12-07 00:07:09,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:09,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:07:09,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:09,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:07:09,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:07:09,197 INFO L87 Difference]: Start difference. First operand has 300 states, 191 states have (on average 1.219895287958115) internal successors, (233), 193 states have internal predecessors, (233), 87 states have call successors, (87), 20 states have call predecessors, (87), 20 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-12-07 00:07:09,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:09,554 INFO L93 Difference]: Finished difference Result 592 states and 876 transitions. [2021-12-07 00:07:09,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:07:09,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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 52 [2021-12-07 00:07:09,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:09,565 INFO L225 Difference]: With dead ends: 592 [2021-12-07 00:07:09,565 INFO L226 Difference]: Without dead ends: 294 [2021-12-07 00:07:09,571 INFO L932 BasicCegarLoop]: 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 [2021-12-07 00:07:09,574 INFO L933 BasicCegarLoop]: 380 mSDtfsCounter, 131 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:09,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 472 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-07 00:07:09,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-12-07 00:07:09,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2021-12-07 00:07:09,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 185 states have (on average 1.2054054054054053) internal successors, (223), 188 states have internal predecessors, (223), 87 states have call successors, (87), 20 states have call predecessors, (87), 20 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-12-07 00:07:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 396 transitions. [2021-12-07 00:07:09,635 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 396 transitions. Word has length 52 [2021-12-07 00:07:09,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:09,636 INFO L470 AbstractCegarLoop]: Abstraction has 294 states and 396 transitions. [2021-12-07 00:07:09,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-12-07 00:07:09,637 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 396 transitions. [2021-12-07 00:07:09,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-07 00:07:09,639 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:09,639 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:09,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:07:09,640 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:09,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:09,641 INFO L85 PathProgramCache]: Analyzing trace with hash 791948131, now seen corresponding path program 1 times [2021-12-07 00:07:09,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:09,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345618692] [2021-12-07 00:07:09,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:09,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-07 00:07:09,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:09,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345618692] [2021-12-07 00:07:09,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345618692] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:09,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:09,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:07:09,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42941528] [2021-12-07 00:07:09,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:09,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:07:09,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:09,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:07:09,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:07:09,981 INFO L87 Difference]: Start difference. First operand 294 states and 396 transitions. Second operand has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 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) [2021-12-07 00:07:10,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:10,587 INFO L93 Difference]: Finished difference Result 581 states and 822 transitions. [2021-12-07 00:07:10,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:07:10,587 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 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 52 [2021-12-07 00:07:10,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:10,590 INFO L225 Difference]: With dead ends: 581 [2021-12-07 00:07:10,590 INFO L226 Difference]: Without dead ends: 306 [2021-12-07 00:07:10,591 INFO L932 BasicCegarLoop]: 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 [2021-12-07 00:07:10,592 INFO L933 BasicCegarLoop]: 365 mSDtfsCounter, 171 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1675 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:10,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 1675 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 00:07:10,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-12-07 00:07:10,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2021-12-07 00:07:10,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 194 states have (on average 1.211340206185567) internal successors, (235), 197 states have internal predecessors, (235), 88 states have call successors, (88), 22 states have call predecessors, (88), 22 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-12-07 00:07:10,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 410 transitions. [2021-12-07 00:07:10,616 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 410 transitions. Word has length 52 [2021-12-07 00:07:10,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:10,617 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 410 transitions. [2021-12-07 00:07:10,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 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) [2021-12-07 00:07:10,617 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 410 transitions. [2021-12-07 00:07:10,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-07 00:07:10,620 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:10,621 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-12-07 00:07:10,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:07:10,621 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:10,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:10,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1192107770, now seen corresponding path program 1 times [2021-12-07 00:07:10,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:10,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246114729] [2021-12-07 00:07:10,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:10,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:07:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:10,960 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 00:07:10,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:10,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246114729] [2021-12-07 00:07:10,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246114729] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:10,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703404717] [2021-12-07 00:07:10,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:10,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:10,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:10,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:10,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 00:07:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:11,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 2572 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-07 00:07:11,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-07 00:07:11,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:07:11,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703404717] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:11,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:07:11,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2021-12-07 00:07:11,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745516059] [2021-12-07 00:07:11,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:11,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:07:11,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:11,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:07:11,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2021-12-07 00:07:11,414 INFO L87 Difference]: Start difference. First operand 306 states and 410 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-07 00:07:11,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:11,476 INFO L93 Difference]: Finished difference Result 317 states and 424 transitions. [2021-12-07 00:07:11,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:07:11,476 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 83 [2021-12-07 00:07:11,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:11,479 INFO L225 Difference]: With dead ends: 317 [2021-12-07 00:07:11,479 INFO L226 Difference]: Without dead ends: 314 [2021-12-07 00:07:11,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-07 00:07:11,480 INFO L933 BasicCegarLoop]: 395 mSDtfsCounter, 26 mSDsluCounter, 1934 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 2329 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:11,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 2329 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:07:11,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-12-07 00:07:11,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2021-12-07 00:07:11,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 201 states have (on average 1.2238805970149254) internal successors, (246), 204 states have internal predecessors, (246), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-12-07 00:07:11,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 421 transitions. [2021-12-07 00:07:11,499 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 421 transitions. Word has length 83 [2021-12-07 00:07:11,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:11,500 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 421 transitions. [2021-12-07 00:07:11,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-07 00:07:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 421 transitions. [2021-12-07 00:07:11,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-07 00:07:11,503 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:11,504 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:11,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:07:11,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-12-07 00:07:11,705 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:11,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:11,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1476720326, now seen corresponding path program 1 times [2021-12-07 00:07:11,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:11,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912645326] [2021-12-07 00:07:11,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:11,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:11,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:11,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:11,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:11,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:11,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:11,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:07:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 00:07:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-07 00:07:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-07 00:07:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-07 00:07:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 00:07:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 00:07:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-07 00:07:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-07 00:07:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-07 00:07:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:07:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2021-12-07 00:07:12,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:12,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912645326] [2021-12-07 00:07:12,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912645326] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:12,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:12,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:07:12,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902196128] [2021-12-07 00:07:12,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:12,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:07:12,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:12,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:07:12,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:07:12,229 INFO L87 Difference]: Start difference. First operand 314 states and 421 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2021-12-07 00:07:12,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:12,806 INFO L93 Difference]: Finished difference Result 585 states and 788 transitions. [2021-12-07 00:07:12,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:07:12,807 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 216 [2021-12-07 00:07:12,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:12,812 INFO L225 Difference]: With dead ends: 585 [2021-12-07 00:07:12,813 INFO L226 Difference]: Without dead ends: 319 [2021-12-07 00:07:12,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:07:12,815 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 236 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:12,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [309 Valid, 1223 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 00:07:12,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-12-07 00:07:12,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2021-12-07 00:07:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.224390243902439) internal successors, (251), 209 states have internal predecessors, (251), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2021-12-07 00:07:12,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 428 transitions. [2021-12-07 00:07:12,837 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 428 transitions. Word has length 216 [2021-12-07 00:07:12,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:12,838 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 428 transitions. [2021-12-07 00:07:12,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 6 states have internal predecessors, (66), 4 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2021-12-07 00:07:12,839 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 428 transitions. [2021-12-07 00:07:12,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-07 00:07:12,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:12,843 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:12,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:07:12,844 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:12,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:12,844 INFO L85 PathProgramCache]: Analyzing trace with hash -471041055, now seen corresponding path program 1 times [2021-12-07 00:07:12,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:12,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57563793] [2021-12-07 00:07:12,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:12,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-07 00:07:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 00:07:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-07 00:07:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-07 00:07:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-07 00:07:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 00:07:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 00:07:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-07 00:07:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 00:07:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:07:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-07 00:07:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2021-12-07 00:07:13,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:13,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57563793] [2021-12-07 00:07:13,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57563793] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:13,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363966251] [2021-12-07 00:07:13,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:13,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:13,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:13,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:13,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 00:07:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:13,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 3115 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:07:13,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-12-07 00:07:13,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:07:13,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363966251] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:13,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:07:13,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9 [2021-12-07 00:07:13,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390913566] [2021-12-07 00:07:13,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:13,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:07:13,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:13,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:07:13,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:07:13,972 INFO L87 Difference]: Start difference. First operand 319 states and 428 transitions. Second operand has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:14,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:14,020 INFO L93 Difference]: Finished difference Result 631 states and 844 transitions. [2021-12-07 00:07:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:07:14,021 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 218 [2021-12-07 00:07:14,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:14,023 INFO L225 Difference]: With dead ends: 631 [2021-12-07 00:07:14,023 INFO L226 Difference]: Without dead ends: 321 [2021-12-07 00:07:14,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:07:14,025 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 6 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:14,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 1532 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:07:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-12-07 00:07:14,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2021-12-07 00:07:14,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.2146341463414634) internal successors, (249), 209 states have internal predecessors, (249), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2021-12-07 00:07:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 426 transitions. [2021-12-07 00:07:14,038 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 426 transitions. Word has length 218 [2021-12-07 00:07:14,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:14,039 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 426 transitions. [2021-12-07 00:07:14,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.6) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:14,039 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 426 transitions. [2021-12-07 00:07:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-07 00:07:14,042 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:14,042 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:14,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 00:07:14,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:14,243 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:14,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:14,243 INFO L85 PathProgramCache]: Analyzing trace with hash 883083257, now seen corresponding path program 1 times [2021-12-07 00:07:14,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:14,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181958725] [2021-12-07 00:07:14,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:14,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-07 00:07:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 00:07:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-07 00:07:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-07 00:07:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:07:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 00:07:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-07 00:07:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-07 00:07:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-07 00:07:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:07:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-07 00:07:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2021-12-07 00:07:14,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:14,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181958725] [2021-12-07 00:07:14,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181958725] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:14,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787136240] [2021-12-07 00:07:14,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:14,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:14,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:14,747 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:14,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 00:07:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 3119 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-07 00:07:15,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-12-07 00:07:15,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:07:15,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787136240] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:15,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:07:15,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2021-12-07 00:07:15,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764796745] [2021-12-07 00:07:15,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:15,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:07:15,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:15,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:07:15,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-07 00:07:15,312 INFO L87 Difference]: Start difference. First operand 319 states and 426 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:15,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:15,350 INFO L93 Difference]: Finished difference Result 602 states and 839 transitions. [2021-12-07 00:07:15,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:07:15,350 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 220 [2021-12-07 00:07:15,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:15,352 INFO L225 Difference]: With dead ends: 602 [2021-12-07 00:07:15,352 INFO L226 Difference]: Without dead ends: 319 [2021-12-07 00:07:15,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:07:15,354 INFO L933 BasicCegarLoop]: 391 mSDtfsCounter, 6 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:15,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 1932 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:07:15,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-12-07 00:07:15,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2021-12-07 00:07:15,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.2097560975609756) internal successors, (248), 209 states have internal predecessors, (248), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2021-12-07 00:07:15,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 425 transitions. [2021-12-07 00:07:15,367 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 425 transitions. Word has length 220 [2021-12-07 00:07:15,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:15,367 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 425 transitions. [2021-12-07 00:07:15,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:15,367 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 425 transitions. [2021-12-07 00:07:15,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-12-07 00:07:15,369 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:15,370 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:15,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 00:07:15,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:15,571 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:15,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:15,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1505106911, now seen corresponding path program 1 times [2021-12-07 00:07:15,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:15,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608887370] [2021-12-07 00:07:15,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:15,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-07 00:07:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-07 00:07:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 00:07:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-07 00:07:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:07:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:07:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 00:07:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-07 00:07:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:07:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:15,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-07 00:07:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-07 00:07:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2021-12-07 00:07:16,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:16,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608887370] [2021-12-07 00:07:16,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608887370] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:16,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875276536] [2021-12-07 00:07:16,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:16,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:16,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:16,027 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:16,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 00:07:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 3131 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 00:07:16,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-07 00:07:16,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:07:16,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875276536] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:16,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:07:16,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2021-12-07 00:07:16,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361862857] [2021-12-07 00:07:16,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:16,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:07:16,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:16,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:07:16,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:07:16,571 INFO L87 Difference]: Start difference. First operand 319 states and 425 transitions. Second operand has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:16,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:16,620 INFO L93 Difference]: Finished difference Result 631 states and 838 transitions. [2021-12-07 00:07:16,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:07:16,620 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 226 [2021-12-07 00:07:16,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:16,623 INFO L225 Difference]: With dead ends: 631 [2021-12-07 00:07:16,623 INFO L226 Difference]: Without dead ends: 321 [2021-12-07 00:07:16,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:07:16,625 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 17 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1894 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:16,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 1894 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:07:16,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-12-07 00:07:16,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2021-12-07 00:07:16,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.2) internal successors, (246), 209 states have internal predecessors, (246), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2021-12-07 00:07:16,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 423 transitions. [2021-12-07 00:07:16,638 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 423 transitions. Word has length 226 [2021-12-07 00:07:16,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:16,638 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 423 transitions. [2021-12-07 00:07:16,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:16,639 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 423 transitions. [2021-12-07 00:07:16,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-12-07 00:07:16,640 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:16,640 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:16,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-07 00:07:16,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-07 00:07:16,841 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:16,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:16,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1016857975, now seen corresponding path program 1 times [2021-12-07 00:07:16,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:16,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247714236] [2021-12-07 00:07:16,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:16,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-07 00:07:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-07 00:07:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-07 00:07:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-07 00:07:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-07 00:07:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:07:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 00:07:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-07 00:07:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-07 00:07:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-07 00:07:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-07 00:07:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2021-12-07 00:07:17,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:17,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247714236] [2021-12-07 00:07:17,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247714236] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:17,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879258699] [2021-12-07 00:07:17,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:17,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:17,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:17,202 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:17,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-07 00:07:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:17,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 3135 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 00:07:17,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:17,744 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-07 00:07:17,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:07:17,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879258699] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:17,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:07:17,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2021-12-07 00:07:17,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876319843] [2021-12-07 00:07:17,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:17,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:07:17,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:17,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:07:17,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:07:17,746 INFO L87 Difference]: Start difference. First operand 319 states and 423 transitions. Second operand has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:17,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:17,798 INFO L93 Difference]: Finished difference Result 628 states and 831 transitions. [2021-12-07 00:07:17,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:07:17,799 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 228 [2021-12-07 00:07:17,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:17,801 INFO L225 Difference]: With dead ends: 628 [2021-12-07 00:07:17,801 INFO L226 Difference]: Without dead ends: 323 [2021-12-07 00:07:17,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:07:17,802 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 18 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 1894 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:17,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 1894 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:07:17,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-12-07 00:07:17,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 319. [2021-12-07 00:07:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.1951219512195121) internal successors, (245), 209 states have internal predecessors, (245), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2021-12-07 00:07:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 422 transitions. [2021-12-07 00:07:17,815 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 422 transitions. Word has length 228 [2021-12-07 00:07:17,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:17,815 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 422 transitions. [2021-12-07 00:07:17,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.833333333333334) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:17,815 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 422 transitions. [2021-12-07 00:07:17,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-12-07 00:07:17,817 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:17,817 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:17,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-07 00:07:18,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-07 00:07:18,018 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:18,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:18,018 INFO L85 PathProgramCache]: Analyzing trace with hash 998187545, now seen corresponding path program 1 times [2021-12-07 00:07:18,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:18,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408332209] [2021-12-07 00:07:18,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:18,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-07 00:07:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-07 00:07:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-07 00:07:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-07 00:07:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 00:07:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:07:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 00:07:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-07 00:07:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-07 00:07:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-07 00:07:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-07 00:07:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2021-12-07 00:07:18,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:18,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408332209] [2021-12-07 00:07:18,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408332209] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:18,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922018173] [2021-12-07 00:07:18,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:18,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:18,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:18,355 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:18,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-07 00:07:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:18,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 3139 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 00:07:18,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-07 00:07:18,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:07:18,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922018173] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:18,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:07:18,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2021-12-07 00:07:18,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027469998] [2021-12-07 00:07:18,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:18,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:07:18,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:18,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:07:18,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:07:18,869 INFO L87 Difference]: Start difference. First operand 319 states and 422 transitions. Second operand has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:18,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:18,928 INFO L93 Difference]: Finished difference Result 628 states and 829 transitions. [2021-12-07 00:07:18,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:07:18,928 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), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 230 [2021-12-07 00:07:18,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:18,930 INFO L225 Difference]: With dead ends: 628 [2021-12-07 00:07:18,930 INFO L226 Difference]: Without dead ends: 323 [2021-12-07 00:07:18,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:07:18,932 INFO L933 BasicCegarLoop]: 383 mSDtfsCounter, 16 mSDsluCounter, 1887 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2270 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:18,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 2270 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:07:18,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-12-07 00:07:18,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 319. [2021-12-07 00:07:18,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.1902439024390243) internal successors, (244), 209 states have internal predecessors, (244), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2021-12-07 00:07:18,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 421 transitions. [2021-12-07 00:07:18,943 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 421 transitions. Word has length 230 [2021-12-07 00:07:18,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:18,943 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 421 transitions. [2021-12-07 00:07:18,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 7 states have internal predecessors, (85), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:18,944 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 421 transitions. [2021-12-07 00:07:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-07 00:07:18,945 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:18,945 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:18,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-07 00:07:19,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:19,147 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:19,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:19,147 INFO L85 PathProgramCache]: Analyzing trace with hash 643320073, now seen corresponding path program 1 times [2021-12-07 00:07:19,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:19,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897231749] [2021-12-07 00:07:19,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:19,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:07:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:07:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-07 00:07:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 00:07:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-07 00:07:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 00:07:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-07 00:07:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-07 00:07:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-07 00:07:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:07:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-07 00:07:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 8 proven. 55 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2021-12-07 00:07:19,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:19,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897231749] [2021-12-07 00:07:19,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897231749] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:19,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64813728] [2021-12-07 00:07:19,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:19,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:19,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:19,543 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:19,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-07 00:07:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:19,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 3143 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 00:07:19,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:20,033 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-07 00:07:20,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:07:20,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64813728] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:20,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:07:20,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2021-12-07 00:07:20,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142556908] [2021-12-07 00:07:20,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:20,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:07:20,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:20,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:07:20,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:07:20,035 INFO L87 Difference]: Start difference. First operand 319 states and 421 transitions. Second operand has 7 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:20,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:20,080 INFO L93 Difference]: Finished difference Result 602 states and 832 transitions. [2021-12-07 00:07:20,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:07:20,081 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 232 [2021-12-07 00:07:20,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:20,084 INFO L225 Difference]: With dead ends: 602 [2021-12-07 00:07:20,084 INFO L226 Difference]: Without dead ends: 319 [2021-12-07 00:07:20,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:07:20,086 INFO L933 BasicCegarLoop]: 386 mSDtfsCounter, 16 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:20,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 1904 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:07:20,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-12-07 00:07:20,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2021-12-07 00:07:20,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.1853658536585365) internal successors, (243), 209 states have internal predecessors, (243), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2021-12-07 00:07:20,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 420 transitions. [2021-12-07 00:07:20,101 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 420 transitions. Word has length 232 [2021-12-07 00:07:20,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:20,102 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 420 transitions. [2021-12-07 00:07:20,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.5) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 420 transitions. [2021-12-07 00:07:20,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-07 00:07:20,103 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:20,104 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:20,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-07 00:07:20,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-07 00:07:20,305 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:20,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:20,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1201013097, now seen corresponding path program 1 times [2021-12-07 00:07:20,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:20,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834189414] [2021-12-07 00:07:20,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:20,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:07:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:07:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-07 00:07:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-07 00:07:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-07 00:07:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-07 00:07:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-07 00:07:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 00:07:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-07 00:07:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-07 00:07:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-07 00:07:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-07 00:07:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 10 proven. 60 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2021-12-07 00:07:20,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:20,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834189414] [2021-12-07 00:07:20,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834189414] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:20,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94878590] [2021-12-07 00:07:20,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:20,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:20,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:20,668 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:20,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-07 00:07:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:20,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 3155 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 00:07:20,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2021-12-07 00:07:21,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:07:21,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94878590] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:21,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:07:21,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2021-12-07 00:07:21,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476339960] [2021-12-07 00:07:21,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:21,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:07:21,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:21,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:07:21,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:07:21,178 INFO L87 Difference]: Start difference. First operand 319 states and 420 transitions. Second operand has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:21,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:21,224 INFO L93 Difference]: Finished difference Result 604 states and 832 transitions. [2021-12-07 00:07:21,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:07:21,224 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 238 [2021-12-07 00:07:21,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:21,226 INFO L225 Difference]: With dead ends: 604 [2021-12-07 00:07:21,226 INFO L226 Difference]: Without dead ends: 321 [2021-12-07 00:07:21,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:07:21,228 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 14 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1901 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:21,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 1901 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:07:21,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-12-07 00:07:21,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2021-12-07 00:07:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.1804878048780487) internal successors, (242), 209 states have internal predecessors, (242), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2021-12-07 00:07:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 419 transitions. [2021-12-07 00:07:21,238 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 419 transitions. Word has length 238 [2021-12-07 00:07:21,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:21,238 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 419 transitions. [2021-12-07 00:07:21,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 419 transitions. [2021-12-07 00:07:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-07 00:07:21,240 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:21,240 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:21,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-07 00:07:21,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-07 00:07:21,442 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:21,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:21,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1185331191, now seen corresponding path program 1 times [2021-12-07 00:07:21,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:21,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206470977] [2021-12-07 00:07:21,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:21,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:21,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:07:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:07:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 00:07:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-07 00:07:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-07 00:07:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 00:07:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 00:07:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-07 00:07:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-07 00:07:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-07 00:07:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-07 00:07:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 12 proven. 65 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-12-07 00:07:21,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:21,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206470977] [2021-12-07 00:07:21,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206470977] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:21,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386137796] [2021-12-07 00:07:21,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:21,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:21,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:21,801 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:21,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-07 00:07:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 3167 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-07 00:07:22,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-12-07 00:07:22,290 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 00:07:22,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386137796] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:22,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 00:07:22,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2021-12-07 00:07:22,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706607084] [2021-12-07 00:07:22,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:22,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:07:22,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:22,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:07:22,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:07:22,292 INFO L87 Difference]: Start difference. First operand 319 states and 419 transitions. Second operand has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:22,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:22,340 INFO L93 Difference]: Finished difference Result 604 states and 830 transitions. [2021-12-07 00:07:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:07:22,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 244 [2021-12-07 00:07:22,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:22,343 INFO L225 Difference]: With dead ends: 604 [2021-12-07 00:07:22,343 INFO L226 Difference]: Without dead ends: 321 [2021-12-07 00:07:22,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:07:22,344 INFO L933 BasicCegarLoop]: 384 mSDtfsCounter, 14 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1898 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:22,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 1898 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:07:22,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2021-12-07 00:07:22,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 319. [2021-12-07 00:07:22,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 205 states have (on average 1.175609756097561) internal successors, (241), 209 states have internal predecessors, (241), 88 states have call successors, (88), 23 states have call predecessors, (88), 24 states have return successors, (89), 87 states have call predecessors, (89), 87 states have call successors, (89) [2021-12-07 00:07:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 418 transitions. [2021-12-07 00:07:22,355 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 418 transitions. Word has length 244 [2021-12-07 00:07:22,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:22,356 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 418 transitions. [2021-12-07 00:07:22,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-07 00:07:22,356 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 418 transitions. [2021-12-07 00:07:22,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-07 00:07:22,358 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:22,358 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:22,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-07 00:07:22,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-07 00:07:22,559 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:22,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:22,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1015696881, now seen corresponding path program 1 times [2021-12-07 00:07:22,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:22,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573059636] [2021-12-07 00:07:22,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:22,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:07:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:07:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 00:07:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-07 00:07:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-07 00:07:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:22,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 00:07:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 00:07:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:07:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:07:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-07 00:07:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-07 00:07:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:07:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-12-07 00:07:23,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:23,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573059636] [2021-12-07 00:07:23,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573059636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:07:23,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:07:23,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:07:23,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329483857] [2021-12-07 00:07:23,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:07:23,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:07:23,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:23,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:07:23,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:07:23,117 INFO L87 Difference]: Start difference. First operand 319 states and 418 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-07 00:07:23,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:23,659 INFO L93 Difference]: Finished difference Result 596 states and 787 transitions. [2021-12-07 00:07:23,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 00:07:23,659 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 250 [2021-12-07 00:07:23,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:23,662 INFO L225 Difference]: With dead ends: 596 [2021-12-07 00:07:23,663 INFO L226 Difference]: Without dead ends: 325 [2021-12-07 00:07:23,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-12-07 00:07:23,664 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 130 mSDsluCounter, 1236 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:23,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 1595 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-07 00:07:23,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-12-07 00:07:23,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 322. [2021-12-07 00:07:23,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 207 states have (on average 1.173913043478261) internal successors, (243), 212 states have internal predecessors, (243), 88 states have call successors, (88), 23 states have call predecessors, (88), 25 states have return successors, (92), 87 states have call predecessors, (92), 87 states have call successors, (92) [2021-12-07 00:07:23,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 423 transitions. [2021-12-07 00:07:23,680 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 423 transitions. Word has length 250 [2021-12-07 00:07:23,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:23,681 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 423 transitions. [2021-12-07 00:07:23,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-07 00:07:23,681 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 423 transitions. [2021-12-07 00:07:23,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-07 00:07:23,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:23,683 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:23,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 00:07:23,684 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:23,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:23,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1433093487, now seen corresponding path program 1 times [2021-12-07 00:07:23,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:23,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487023693] [2021-12-07 00:07:23,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:23,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:07:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:07:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 00:07:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-07 00:07:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-07 00:07:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 00:07:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 00:07:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:07:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:07:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-07 00:07:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-07 00:07:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:07:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-12-07 00:07:24,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:24,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487023693] [2021-12-07 00:07:24,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487023693] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:24,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414653865] [2021-12-07 00:07:24,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:24,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:24,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:24,762 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:24,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-07 00:07:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:25,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 3184 conjuncts, 53 conjunts are in the unsatisfiable core [2021-12-07 00:07:25,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:25,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-12-07 00:07:25,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 19 [2021-12-07 00:07:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 215 proven. 9 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-12-07 00:07:26,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:07:28,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414653865] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:28,088 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 00:07:28,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 33 [2021-12-07 00:07:28,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943011813] [2021-12-07 00:07:28,089 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 00:07:28,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-12-07 00:07:28,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:28,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-12-07 00:07:28,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1751, Unknown=1, NotChecked=0, Total=1892 [2021-12-07 00:07:28,090 INFO L87 Difference]: Start difference. First operand 322 states and 423 transitions. Second operand has 33 states, 31 states have (on average 4.967741935483871) internal successors, (154), 26 states have internal predecessors, (154), 13 states have call successors, (52), 5 states have call predecessors, (52), 13 states have return successors, (51), 17 states have call predecessors, (51), 13 states have call successors, (51) [2021-12-07 00:07:30,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:30,031 INFO L93 Difference]: Finished difference Result 691 states and 901 transitions. [2021-12-07 00:07:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-07 00:07:30,031 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 4.967741935483871) internal successors, (154), 26 states have internal predecessors, (154), 13 states have call successors, (52), 5 states have call predecessors, (52), 13 states have return successors, (51), 17 states have call predecessors, (51), 13 states have call successors, (51) Word has length 250 [2021-12-07 00:07:30,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:30,034 INFO L225 Difference]: With dead ends: 691 [2021-12-07 00:07:30,034 INFO L226 Difference]: Without dead ends: 399 [2021-12-07 00:07:30,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 460 SyntacticMatches, 20 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=342, Invalid=4769, Unknown=1, NotChecked=0, Total=5112 [2021-12-07 00:07:30,036 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 160 mSDsluCounter, 4846 mSDsCounter, 0 mSdLazyCounter, 2644 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 5223 SdHoareTripleChecker+Invalid, 4085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1337 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:30,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 5223 Invalid, 4085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2644 Invalid, 0 Unknown, 1337 Unchecked, 1.2s Time] [2021-12-07 00:07:30,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2021-12-07 00:07:30,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 385. [2021-12-07 00:07:30,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 255 states have (on average 1.1686274509803922) internal successors, (298), 258 states have internal predecessors, (298), 95 states have call successors, (95), 31 states have call predecessors, (95), 33 states have return successors, (101), 96 states have call predecessors, (101), 94 states have call successors, (101) [2021-12-07 00:07:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 494 transitions. [2021-12-07 00:07:30,051 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 494 transitions. Word has length 250 [2021-12-07 00:07:30,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:30,051 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 494 transitions. [2021-12-07 00:07:30,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 4.967741935483871) internal successors, (154), 26 states have internal predecessors, (154), 13 states have call successors, (52), 5 states have call predecessors, (52), 13 states have return successors, (51), 17 states have call predecessors, (51), 13 states have call successors, (51) [2021-12-07 00:07:30,052 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 494 transitions. [2021-12-07 00:07:30,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-07 00:07:30,053 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:30,053 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:30,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-07 00:07:30,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:30,253 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:30,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:30,254 INFO L85 PathProgramCache]: Analyzing trace with hash 701126061, now seen corresponding path program 1 times [2021-12-07 00:07:30,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:30,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040371981] [2021-12-07 00:07:30,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:30,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:07:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:07:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 00:07:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-07 00:07:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-07 00:07:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 00:07:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:30,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:31,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 00:07:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:31,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:07:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:31,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:07:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:31,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-07 00:07:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-07 00:07:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:31,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:07:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:31,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:31,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-12-07 00:07:31,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:31,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040371981] [2021-12-07 00:07:31,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040371981] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:31,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406847098] [2021-12-07 00:07:31,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:31,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:31,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:31,166 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:31,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-07 00:07:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:31,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 3189 conjuncts, 53 conjunts are in the unsatisfiable core [2021-12-07 00:07:31,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:31,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-12-07 00:07:32,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 19 [2021-12-07 00:07:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 215 proven. 9 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-12-07 00:07:33,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:07:34,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406847098] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:34,728 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 00:07:34,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 33 [2021-12-07 00:07:34,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617092332] [2021-12-07 00:07:34,729 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 00:07:34,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-12-07 00:07:34,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:34,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-12-07 00:07:34,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1751, Unknown=1, NotChecked=0, Total=1892 [2021-12-07 00:07:34,730 INFO L87 Difference]: Start difference. First operand 385 states and 494 transitions. Second operand has 33 states, 31 states have (on average 4.967741935483871) internal successors, (154), 26 states have internal predecessors, (154), 13 states have call successors, (52), 5 states have call predecessors, (52), 13 states have return successors, (51), 17 states have call predecessors, (51), 13 states have call successors, (51) [2021-12-07 00:07:36,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:36,766 INFO L93 Difference]: Finished difference Result 709 states and 931 transitions. [2021-12-07 00:07:36,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-12-07 00:07:36,766 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 4.967741935483871) internal successors, (154), 26 states have internal predecessors, (154), 13 states have call successors, (52), 5 states have call predecessors, (52), 13 states have return successors, (51), 17 states have call predecessors, (51), 13 states have call successors, (51) Word has length 250 [2021-12-07 00:07:36,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:36,768 INFO L225 Difference]: With dead ends: 709 [2021-12-07 00:07:36,768 INFO L226 Difference]: Without dead ends: 422 [2021-12-07 00:07:36,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 460 SyntacticMatches, 20 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1230 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=365, Invalid=4890, Unknown=1, NotChecked=0, Total=5256 [2021-12-07 00:07:36,771 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 157 mSDsluCounter, 4745 mSDsCounter, 0 mSdLazyCounter, 2935 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 5122 SdHoareTripleChecker+Invalid, 4017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 2935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 961 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:36,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 5122 Invalid, 4017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 2935 Invalid, 0 Unknown, 961 Unchecked, 1.2s Time] [2021-12-07 00:07:36,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-12-07 00:07:36,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 392. [2021-12-07 00:07:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 260 states have (on average 1.1730769230769231) internal successors, (305), 263 states have internal predecessors, (305), 96 states have call successors, (96), 31 states have call predecessors, (96), 34 states have return successors, (107), 98 states have call predecessors, (107), 95 states have call successors, (107) [2021-12-07 00:07:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 508 transitions. [2021-12-07 00:07:36,785 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 508 transitions. Word has length 250 [2021-12-07 00:07:36,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:36,786 INFO L470 AbstractCegarLoop]: Abstraction has 392 states and 508 transitions. [2021-12-07 00:07:36,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 4.967741935483871) internal successors, (154), 26 states have internal predecessors, (154), 13 states have call successors, (52), 5 states have call predecessors, (52), 13 states have return successors, (51), 17 states have call predecessors, (51), 13 states have call successors, (51) [2021-12-07 00:07:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 508 transitions. [2021-12-07 00:07:36,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-07 00:07:36,787 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:36,787 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:36,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-12-07 00:07:36,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:36,988 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:36,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:36,988 INFO L85 PathProgramCache]: Analyzing trace with hash 940467313, now seen corresponding path program 1 times [2021-12-07 00:07:36,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:36,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577522398] [2021-12-07 00:07:36,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:36,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:07:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:07:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 00:07:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-07 00:07:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-07 00:07:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 00:07:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 00:07:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:07:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:07:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-07 00:07:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-07 00:07:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:07:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:37,775 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-12-07 00:07:37,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:37,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577522398] [2021-12-07 00:07:37,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577522398] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:37,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108059105] [2021-12-07 00:07:37,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:37,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:37,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:37,777 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:37,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-07 00:07:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:38,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 3189 conjuncts, 41 conjunts are in the unsatisfiable core [2021-12-07 00:07:38,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:38,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-12-07 00:07:38,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 19 [2021-12-07 00:07:39,263 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 214 proven. 5 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-07 00:07:39,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:07:40,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108059105] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:40,821 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 00:07:40,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16] total 31 [2021-12-07 00:07:40,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719797736] [2021-12-07 00:07:40,821 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 00:07:40,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-12-07 00:07:40,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:40,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-12-07 00:07:40,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1509, Unknown=1, NotChecked=0, Total=1640 [2021-12-07 00:07:40,823 INFO L87 Difference]: Start difference. First operand 392 states and 508 transitions. Second operand has 31 states, 29 states have (on average 5.172413793103448) internal successors, (150), 24 states have internal predecessors, (150), 12 states have call successors, (52), 4 states have call predecessors, (52), 11 states have return successors, (51), 16 states have call predecessors, (51), 12 states have call successors, (51) [2021-12-07 00:07:42,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:42,764 INFO L93 Difference]: Finished difference Result 734 states and 959 transitions. [2021-12-07 00:07:42,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-12-07 00:07:42,765 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 5.172413793103448) internal successors, (150), 24 states have internal predecessors, (150), 12 states have call successors, (52), 4 states have call predecessors, (52), 11 states have return successors, (51), 16 states have call predecessors, (51), 12 states have call successors, (51) Word has length 250 [2021-12-07 00:07:42,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:42,767 INFO L225 Difference]: With dead ends: 734 [2021-12-07 00:07:42,767 INFO L226 Difference]: Without dead ends: 422 [2021-12-07 00:07:42,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 465 SyntacticMatches, 19 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=349, Invalid=4620, Unknown=1, NotChecked=0, Total=4970 [2021-12-07 00:07:42,770 INFO L933 BasicCegarLoop]: 383 mSDtfsCounter, 176 mSDsluCounter, 4570 mSDsCounter, 0 mSdLazyCounter, 3126 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 4953 SdHoareTripleChecker+Invalid, 3987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 3126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 749 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:42,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 4953 Invalid, 3987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 3126 Invalid, 0 Unknown, 749 Unchecked, 1.2s Time] [2021-12-07 00:07:42,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-12-07 00:07:42,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 398. [2021-12-07 00:07:42,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 265 states have (on average 1.169811320754717) internal successors, (310), 269 states have internal predecessors, (310), 96 states have call successors, (96), 32 states have call predecessors, (96), 35 states have return successors, (106), 97 states have call predecessors, (106), 95 states have call successors, (106) [2021-12-07 00:07:42,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 512 transitions. [2021-12-07 00:07:42,783 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 512 transitions. Word has length 250 [2021-12-07 00:07:42,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:42,784 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 512 transitions. [2021-12-07 00:07:42,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 5.172413793103448) internal successors, (150), 24 states have internal predecessors, (150), 12 states have call successors, (52), 4 states have call predecessors, (52), 11 states have return successors, (51), 16 states have call predecessors, (51), 12 states have call successors, (51) [2021-12-07 00:07:42,784 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 512 transitions. [2021-12-07 00:07:42,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-07 00:07:42,785 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:42,785 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:42,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-07 00:07:42,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-07 00:07:42,986 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:42,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:42,987 INFO L85 PathProgramCache]: Analyzing trace with hash 208499887, now seen corresponding path program 1 times [2021-12-07 00:07:42,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:42,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665784248] [2021-12-07 00:07:42,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:42,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:07:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:07:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 00:07:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-07 00:07:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-07 00:07:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 00:07:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 00:07:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:07:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:07:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-07 00:07:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-07 00:07:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:07:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2021-12-07 00:07:44,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:44,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665784248] [2021-12-07 00:07:44,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665784248] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:44,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494550864] [2021-12-07 00:07:44,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:44,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:44,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:44,003 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:44,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-07 00:07:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:44,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 3194 conjuncts, 52 conjunts are in the unsatisfiable core [2021-12-07 00:07:44,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:44,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-07 00:07:44,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 18 [2021-12-07 00:07:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 214 proven. 5 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-07 00:07:45,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:07:46,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2021-12-07 00:07:46,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-12-07 00:07:47,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494550864] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:47,737 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-07 00:07:47,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20] total 40 [2021-12-07 00:07:47,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389121472] [2021-12-07 00:07:47,738 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-07 00:07:47,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-12-07 00:07:47,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:47,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-12-07 00:07:47,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=2677, Unknown=1, NotChecked=0, Total=2862 [2021-12-07 00:07:47,740 INFO L87 Difference]: Start difference. First operand 398 states and 512 transitions. Second operand has 40 states, 38 states have (on average 4.131578947368421) internal successors, (157), 32 states have internal predecessors, (157), 13 states have call successors, (52), 4 states have call predecessors, (52), 12 states have return successors, (52), 18 states have call predecessors, (52), 13 states have call successors, (52) [2021-12-07 00:07:50,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:50,204 INFO L93 Difference]: Finished difference Result 740 states and 969 transitions. [2021-12-07 00:07:50,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-12-07 00:07:50,204 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 38 states have (on average 4.131578947368421) internal successors, (157), 32 states have internal predecessors, (157), 13 states have call successors, (52), 4 states have call predecessors, (52), 12 states have return successors, (52), 18 states have call predecessors, (52), 13 states have call successors, (52) Word has length 250 [2021-12-07 00:07:50,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:50,206 INFO L225 Difference]: With dead ends: 740 [2021-12-07 00:07:50,206 INFO L226 Difference]: Without dead ends: 422 [2021-12-07 00:07:50,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 450 SyntacticMatches, 20 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1995 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=444, Invalid=7927, Unknown=1, NotChecked=0, Total=8372 [2021-12-07 00:07:50,210 INFO L933 BasicCegarLoop]: 377 mSDtfsCounter, 165 mSDsluCounter, 4859 mSDsCounter, 0 mSdLazyCounter, 3431 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 5236 SdHoareTripleChecker+Invalid, 4601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1056 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:50,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 5236 Invalid, 4601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 3431 Invalid, 0 Unknown, 1056 Unchecked, 1.3s Time] [2021-12-07 00:07:50,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-12-07 00:07:50,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 376. [2021-12-07 00:07:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 248 states have (on average 1.1612903225806452) internal successors, (288), 252 states have internal predecessors, (288), 94 states have call successors, (94), 31 states have call predecessors, (94), 32 states have return successors, (95), 93 states have call predecessors, (95), 93 states have call successors, (95) [2021-12-07 00:07:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 477 transitions. [2021-12-07 00:07:50,223 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 477 transitions. Word has length 250 [2021-12-07 00:07:50,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:50,224 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 477 transitions. [2021-12-07 00:07:50,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 38 states have (on average 4.131578947368421) internal successors, (157), 32 states have internal predecessors, (157), 13 states have call successors, (52), 4 states have call predecessors, (52), 12 states have return successors, (52), 18 states have call predecessors, (52), 13 states have call successors, (52) [2021-12-07 00:07:50,224 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 477 transitions. [2021-12-07 00:07:50,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-07 00:07:50,225 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:07:50,225 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:50,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-07 00:07:50,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-07 00:07:50,426 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:07:50,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:07:50,428 INFO L85 PathProgramCache]: Analyzing trace with hash 375255409, now seen corresponding path program 1 times [2021-12-07 00:07:50,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:07:50,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444458487] [2021-12-07 00:07:50,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:50,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:07:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 00:07:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-07 00:07:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-07 00:07:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 00:07:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 00:07:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 00:07:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-07 00:07:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-07 00:07:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-07 00:07:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 00:07:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-07 00:07:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-07 00:07:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-07 00:07:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 00:07:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-07 00:07:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-07 00:07:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-07 00:07:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-07 00:07:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-07 00:07:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 00:07:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:50,846 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2021-12-07 00:07:50,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:07:50,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444458487] [2021-12-07 00:07:50,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444458487] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 00:07:50,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773857242] [2021-12-07 00:07:50,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:07:50,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 00:07:50,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:07:50,847 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 00:07:50,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-07 00:07:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:07:51,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 3179 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-07 00:07:51,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:07:51,376 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-12-07 00:07:51,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 00:07:51,699 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2021-12-07 00:07:51,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773857242] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 00:07:51,699 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 00:07:51,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 11] total 17 [2021-12-07 00:07:51,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404609443] [2021-12-07 00:07:51,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 00:07:51,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-07 00:07:51,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:07:51,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-07 00:07:51,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2021-12-07 00:07:51,701 INFO L87 Difference]: Start difference. First operand 376 states and 477 transitions. Second operand has 17 states, 17 states have (on average 6.647058823529412) internal successors, (113), 13 states have internal predecessors, (113), 4 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (33), 6 states have call predecessors, (33), 4 states have call successors, (33) [2021-12-07 00:07:51,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:07:51,977 INFO L93 Difference]: Finished difference Result 395 states and 493 transitions. [2021-12-07 00:07:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 00:07:51,977 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.647058823529412) internal successors, (113), 13 states have internal predecessors, (113), 4 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (33), 6 states have call predecessors, (33), 4 states have call successors, (33) Word has length 250 [2021-12-07 00:07:51,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:07:51,978 INFO L225 Difference]: With dead ends: 395 [2021-12-07 00:07:51,978 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 00:07:51,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 563 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2021-12-07 00:07:51,979 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 106 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 00:07:51,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 534 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 00:07:51,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 00:07:51,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 00:07:51,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 00:07:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 00:07:51,980 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 250 [2021-12-07 00:07:51,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:07:51,980 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:07:51,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.647058823529412) internal successors, (113), 13 states have internal predecessors, (113), 4 states have call successors, (36), 4 states have call predecessors, (36), 4 states have return successors, (33), 6 states have call predecessors, (33), 4 states have call successors, (33) [2021-12-07 00:07:51,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:07:51,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 00:07:51,982 INFO L764 garLoopResultBuilder]: Registering result SAFE for location aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-12-07 00:07:51,983 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-07 00:07:52,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-12-07 00:07:52,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-07 00:07:52,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 00:07:52,745 INFO L854 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-12-07 00:07:52,745 INFO L858 garLoopResultBuilder]: For program point bounded_mallocFINAL(lines 6882 6887) no Hoare annotation was computed. [2021-12-07 00:07:52,745 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-12-07 00:07:52,745 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-12-07 00:07:52,745 INFO L854 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-12-07 00:07:52,745 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitFINAL(lines 5791 5794) no Hoare annotation was computed. [2021-12-07 00:07:52,745 INFO L854 garLoopResultBuilder]: At program point L5793(line 5793) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_51| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_51|) 8) 0))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_35| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_35|) 8) 0)) (not (= ~aws_memory_order~0~aws_memory_order_seq_cst |aws_atomic_load_ptr_explicit_#in~memory_order|)) (= ~aws_memory_order~0~aws_memory_order_seq_cst aws_atomic_load_ptr_explicit_~memory_order)) [2021-12-07 00:07:52,745 INFO L858 garLoopResultBuilder]: For program point L5793-1(line 5793) no Hoare annotation was computed. [2021-12-07 00:07:52,745 INFO L861 garLoopResultBuilder]: At program point aws_atomic_load_ptr_explicitENTRY(lines 5791 5794) the Hoare annotation is: true [2021-12-07 00:07:52,745 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitEXIT(lines 5791 5794) no Hoare annotation was computed. [2021-12-07 00:07:52,745 INFO L858 garLoopResultBuilder]: For program point nondet_boolFINAL(line 261) no Hoare annotation was computed. [2021-12-07 00:07:52,745 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point L8807-11(lines 8807 8808) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point L8807-6(lines 8807 8808) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point L8807-8(lines 8807 8808) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point L8807-9(lines 8807 8808) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L861 garLoopResultBuilder]: At program point s_buf_belongs_to_poolENTRY(lines 8794 8809) the Hoare annotation is: true [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point L8800(lines 8800 8801) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point L8800-2(lines 8800 8805) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point s_buf_belongs_to_poolEXIT(lines 8794 8809) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point s_buf_belongs_to_poolFINAL(lines 8794 8809) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point L8807-2(line 8807) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point L8807-3(line 8807) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point L8807-5(line 8807) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point L8807(line 8807) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L861 garLoopResultBuilder]: At program point aws_ring_buffer_check_atomic_ptrENTRY(lines 6039 6045) the Hoare annotation is: true [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrEXIT(lines 6039 6045) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point L6044-2(line 6044) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point L6044(line 6044) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrFINAL(lines 6039 6045) no Hoare annotation was computed. [2021-12-07 00:07:52,746 INFO L861 garLoopResultBuilder]: At program point aws_atomic_store_ptrENTRY(lines 5638 5641) the Hoare annotation is: true [2021-12-07 00:07:52,746 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptrEXIT(lines 5638 5641) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptrFINAL(lines 5638 5641) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L861 garLoopResultBuilder]: At program point L5640(line 5640) the Hoare annotation is: true [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tFINAL(line 266) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L854 garLoopResultBuilder]: At program point L5809(line 5809) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_51| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_51|) 8) 0))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_35| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_35|) 8) 0)) (not (<= |aws_atomic_store_ptr_explicit_#in~memory_order| ~aws_memory_order~0~aws_memory_order_seq_cst)) (not (<= ~aws_memory_order~0~aws_memory_order_seq_cst |aws_atomic_store_ptr_explicit_#in~memory_order|)) (and (<= aws_atomic_store_ptr_explicit_~memory_order ~aws_memory_order~0~aws_memory_order_seq_cst) (<= ~aws_memory_order~0~aws_memory_order_seq_cst aws_atomic_store_ptr_explicit_~memory_order))) [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitFINAL(lines 5807 5810) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point L5809-1(line 5809) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L861 garLoopResultBuilder]: At program point aws_atomic_store_ptr_explicitENTRY(lines 5807 5810) the Hoare annotation is: true [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitEXIT(lines 5807 5810) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point L5746(lines 5746 5759) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderEXIT(lines 5745 5760) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderFINAL(lines 5745 5760) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L861 garLoopResultBuilder]: At program point aws_atomic_priv_xlate_orderENTRY(lines 5745 5760) the Hoare annotation is: true [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point L5755(line 5755) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point L5757(line 5757) no Hoare annotation was computed. [2021-12-07 00:07:52,747 INFO L858 garLoopResultBuilder]: For program point L5751(line 5751) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L858 garLoopResultBuilder]: For program point L5753(line 5753) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L858 garLoopResultBuilder]: For program point L5747(line 5747) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L858 garLoopResultBuilder]: For program point L5749(line 5749) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L858 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L861 garLoopResultBuilder]: At program point aws_atomic_load_ptrENTRY(lines 5622 5625) the Hoare annotation is: true [2021-12-07 00:07:52,748 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptrEXIT(lines 5622 5625) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L858 garLoopResultBuilder]: For program point L5624-1(line 5624) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptrFINAL(lines 5622 5625) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L861 garLoopResultBuilder]: At program point L5624(line 5624) the Hoare annotation is: true [2021-12-07 00:07:52,748 INFO L861 garLoopResultBuilder]: At program point ensure_byte_buf_has_allocated_buffer_member_in_rangeENTRY(lines 6631 6640) the Hoare annotation is: true [2021-12-07 00:07:52,748 INFO L858 garLoopResultBuilder]: For program point ensure_byte_buf_has_allocated_buffer_member_in_rangeEXIT(lines 6631 6640) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L861 garLoopResultBuilder]: At program point L6638(line 6638) the Hoare annotation is: true [2021-12-07 00:07:52,748 INFO L858 garLoopResultBuilder]: For program point L6639(line 6639) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L861 garLoopResultBuilder]: At program point L6634(line 6634) the Hoare annotation is: true [2021-12-07 00:07:52,748 INFO L858 garLoopResultBuilder]: For program point L6635-1(line 6635) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L861 garLoopResultBuilder]: At program point L6635(line 6635) the Hoare annotation is: true [2021-12-07 00:07:52,748 INFO L858 garLoopResultBuilder]: For program point L6639-3(line 6639) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L858 garLoopResultBuilder]: For program point L6638-1(line 6638) no Hoare annotation was computed. [2021-12-07 00:07:52,748 INFO L861 garLoopResultBuilder]: At program point L6639-2(line 6639) the Hoare annotation is: true [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point ensure_byte_buf_has_allocated_buffer_member_in_rangeFINAL(lines 6631 6640) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point L6632-1(line 6632) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L861 garLoopResultBuilder]: At program point L6632(line 6632) the Hoare annotation is: true [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point L6634-1(line 6634) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-12-07 00:07:52,749 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L861 garLoopResultBuilder]: At program point aws_byte_buf_is_validENTRY(lines 7375 7381) the Hoare annotation is: true [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point L7377-3(line 7377) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point L7377-1(line 7377) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point L7377(lines 7377 7380) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point L7377-7(lines 7377 7380) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point L7377-6(lines 7377 7378) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point L7377-4(lines 7377 7378) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point L7377-11(lines 7377 7380) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point L7377-9(lines 7377 7380) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point aws_byte_buf_is_validFINAL(lines 7375 7381) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point aws_byte_buf_is_validEXIT(lines 7375 7381) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point L7380-2(line 7380) no Hoare annotation was computed. [2021-12-07 00:07:52,749 INFO L858 garLoopResultBuilder]: For program point L7380(line 7380) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L7380-6(line 7380) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L7380-4(line 7380) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L7380-3(line 7380) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L7380-8(line 7380) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 210 212) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L6076-2(line 6076) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L861 garLoopResultBuilder]: At program point aws_ring_buffer_is_validENTRY(lines 6062 6081) the Hoare annotation is: true [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L6076(line 6076) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L6072-1(line 6072) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L854 garLoopResultBuilder]: At program point L6072(line 6072) the Hoare annotation is: (let ((.cse0 (= aws_ring_buffer_is_valid_~head~1.base 0)) (.cse1 (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|)) (.cse5 (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|))) (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_51| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_51|) 8) 0))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_35| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_35|) 8) 0)) (let ((.cse3 (not (= aws_ring_buffer_is_valid_~ring_buf.offset 0))) (.cse2 (select |#memory_$Pointer$.base| |aws_ring_buffer_is_valid_#in~ring_buf.base|)) (.cse4 (div aws_ring_buffer_is_valid_~head_in_range~0 256))) (and .cse0 .cse1 (= (select .cse2 (+ 8 |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) 0) (or .cse3 (< 0 (+ .cse4 1))) .cse5 (or .cse3 (and (= (select (select |#memory_$Pointer$.base| aws_ring_buffer_is_valid_~ring_buf.base) (+ aws_ring_buffer_is_valid_~ring_buf.offset 8)) (select .cse2 32)) (<= aws_ring_buffer_is_valid_~tail~1.base 0) (<= 0 aws_ring_buffer_is_valid_~tail~1.base)) (<= aws_ring_buffer_is_valid_~head_in_range~0 (* 256 .cse4))))) (and .cse0 .cse1 (<= 0 aws_ring_buffer_is_valid_~head_in_range~0) (<= aws_ring_buffer_is_valid_~head_in_range~0 0) .cse5))) [2021-12-07 00:07:52,750 INFO L854 garLoopResultBuilder]: At program point L6066(line 6066) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_51| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_51|) 8) 0))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_35| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_35|) 8) 0)) (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|))) [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L6066-1(line 6066) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L6077-3(line 6077) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L6077(line 6077) no Hoare annotation was computed. [2021-12-07 00:07:52,750 INFO L858 garLoopResultBuilder]: For program point L6077-1(line 6077) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point L6077-6(lines 6077 6080) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point L6077-5(line 6077) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_is_validEXIT(lines 6062 6081) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L854 garLoopResultBuilder]: At program point L6069(line 6069) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_51| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_51|) 8) 0))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_35| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_35|) 8) 0)) (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (or (not (= aws_ring_buffer_is_valid_~ring_buf.offset 0)) (and (<= aws_ring_buffer_is_valid_~tail~1.base 0) (<= 0 aws_ring_buffer_is_valid_~tail~1.base))) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|))) [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point L6077-8(lines 6077 6080) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point L6069-1(line 6069) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L854 garLoopResultBuilder]: At program point L6065(line 6065) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_51| Int)) (not (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_51|) 8) 0))) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_35| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_35|) 8) 0)) (and (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|))) [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point L6065-1(line 6065) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_is_validFINAL(lines 6062 6081) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorFINAL(lines 6889 6891) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2021-12-07 00:07:52,751 INFO L861 garLoopResultBuilder]: At program point L9229(line 9229) the Hoare annotation is: true [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point L9230-1(line 9230) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point L9229-1(line 9229) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point is_middle_valid_stateFINAL(lines 9227 9232) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L861 garLoopResultBuilder]: At program point L9230(line 9230) the Hoare annotation is: true [2021-12-07 00:07:52,751 INFO L858 garLoopResultBuilder]: For program point is_middle_valid_stateEXIT(lines 9227 9232) no Hoare annotation was computed. [2021-12-07 00:07:52,751 INFO L861 garLoopResultBuilder]: At program point is_middle_valid_stateENTRY(lines 9227 9232) the Hoare annotation is: true [2021-12-07 00:07:52,751 INFO L854 garLoopResultBuilder]: At program point L9284-8(line 9284) the Hoare annotation is: false [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L9284-9(line 9284) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L6658-1(line 6658) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L9284-10(line 9284) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L9218-1(line 9218) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L854 garLoopResultBuilder]: At program point L9284-4(line 9284) the Hoare annotation is: false [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L9284-5(line 9284) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L9284-6(line 9284) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L9284-15(line 9284) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L854 garLoopResultBuilder]: At program point L9268(line 9268) the Hoare annotation is: false [2021-12-07 00:07:52,752 INFO L854 garLoopResultBuilder]: At program point L9284-16(line 9284) the Hoare annotation is: false [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L9268-1(line 9268) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L9284-17(line 9284) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L9284-11(line 9284) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L854 garLoopResultBuilder]: At program point L9284-13(line 9284) the Hoare annotation is: false [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L9284-14(line 9284) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L854 garLoopResultBuilder]: At program point L9219(line 9219) the Hoare annotation is: false [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L9219-1(line 9219) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point L6659-1(line 6659) no Hoare annotation was computed. [2021-12-07 00:07:52,752 INFO L854 garLoopResultBuilder]: At program point L6659(line 6659) the Hoare annotation is: false [2021-12-07 00:07:52,752 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 00:07:52,753 INFO L854 garLoopResultBuilder]: At program point L9269(line 9269) the Hoare annotation is: false [2021-12-07 00:07:52,753 INFO L854 garLoopResultBuilder]: At program point L9269-1(line 9269) the Hoare annotation is: false [2021-12-07 00:07:52,753 INFO L858 garLoopResultBuilder]: For program point L9269-2(line 9269) no Hoare annotation was computed. [2021-12-07 00:07:52,753 INFO L854 garLoopResultBuilder]: At program point L9253(line 9253) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (and (not (= (select .cse0 8) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) 8) 0) (not (= (select .cse0 32) 0)))) [2021-12-07 00:07:52,753 INFO L858 garLoopResultBuilder]: For program point L9253-1(line 9253) no Hoare annotation was computed. [2021-12-07 00:07:52,753 INFO L854 garLoopResultBuilder]: At program point L9220(lines 9216 9221) the Hoare annotation is: false [2021-12-07 00:07:52,753 INFO L858 garLoopResultBuilder]: For program point L9270-1(line 9270) no Hoare annotation was computed. [2021-12-07 00:07:52,753 INFO L854 garLoopResultBuilder]: At program point L9270(line 9270) the Hoare annotation is: false [2021-12-07 00:07:52,753 INFO L854 garLoopResultBuilder]: At program point L9254-1(line 9254) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_aws_ring_buffer_release_harness_#t~ret1362#1|) (<= |ULTIMATE.start_aws_ring_buffer_release_harness_#t~ret1362#1| 0) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0))) [2021-12-07 00:07:52,753 INFO L858 garLoopResultBuilder]: For program point L9287-2(line 9287) no Hoare annotation was computed. [2021-12-07 00:07:52,753 INFO L858 garLoopResultBuilder]: For program point L9254-2(line 9254) no Hoare annotation was computed. [2021-12-07 00:07:52,753 INFO L854 garLoopResultBuilder]: At program point L9287-4(line 9287) the Hoare annotation is: false [2021-12-07 00:07:52,753 INFO L858 garLoopResultBuilder]: For program point L9287-5(line 9287) no Hoare annotation was computed. [2021-12-07 00:07:52,753 INFO L854 garLoopResultBuilder]: At program point L9287(line 9287) the Hoare annotation is: false [2021-12-07 00:07:52,753 INFO L854 garLoopResultBuilder]: At program point L9254(line 9254) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (and (not (= (select .cse0 8) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) 8) 0) (not (= (select .cse0 32) 0)))) [2021-12-07 00:07:52,753 INFO L858 garLoopResultBuilder]: For program point L9287-1(line 9287) no Hoare annotation was computed. [2021-12-07 00:07:52,753 INFO L858 garLoopResultBuilder]: For program point L9287-10(line 9287) no Hoare annotation was computed. [2021-12-07 00:07:52,753 INFO L858 garLoopResultBuilder]: For program point L9287-11(line 9287) no Hoare annotation was computed. [2021-12-07 00:07:52,753 INFO L854 garLoopResultBuilder]: At program point L9287-13(line 9287) the Hoare annotation is: false [2021-12-07 00:07:52,754 INFO L858 garLoopResultBuilder]: For program point L9287-6(line 9287) no Hoare annotation was computed. [2021-12-07 00:07:52,754 INFO L854 garLoopResultBuilder]: At program point L9287-8(line 9287) the Hoare annotation is: false [2021-12-07 00:07:52,754 INFO L858 garLoopResultBuilder]: For program point L9287-9(line 9287) no Hoare annotation was computed. [2021-12-07 00:07:52,754 INFO L858 garLoopResultBuilder]: For program point L9287-14(line 9287) no Hoare annotation was computed. [2021-12-07 00:07:52,754 INFO L858 garLoopResultBuilder]: For program point L9287-15(line 9287) no Hoare annotation was computed. [2021-12-07 00:07:52,754 INFO L854 garLoopResultBuilder]: At program point L9271(line 9271) the Hoare annotation is: false [2021-12-07 00:07:52,754 INFO L854 garLoopResultBuilder]: At program point L9287-16(line 9287) the Hoare annotation is: false [2021-12-07 00:07:52,754 INFO L858 garLoopResultBuilder]: For program point L9271-1(line 9271) no Hoare annotation was computed. [2021-12-07 00:07:52,754 INFO L858 garLoopResultBuilder]: For program point L9287-17(line 9287) no Hoare annotation was computed. [2021-12-07 00:07:52,754 INFO L854 garLoopResultBuilder]: At program point L6662(line 6662) the Hoare annotation is: false [2021-12-07 00:07:52,754 INFO L858 garLoopResultBuilder]: For program point L6662-1(lines 6645 6664) no Hoare annotation was computed. [2021-12-07 00:07:52,754 INFO L854 garLoopResultBuilder]: At program point L9272(line 9272) the Hoare annotation is: false [2021-12-07 00:07:52,754 INFO L858 garLoopResultBuilder]: For program point L9272-1(line 9272) no Hoare annotation was computed. [2021-12-07 00:07:52,754 INFO L854 garLoopResultBuilder]: At program point L9256(line 9256) the Hoare annotation is: false [2021-12-07 00:07:52,754 INFO L854 garLoopResultBuilder]: At program point L9256-1(line 9256) the Hoare annotation is: false [2021-12-07 00:07:52,754 INFO L858 garLoopResultBuilder]: For program point L9256-2(line 9256) no Hoare annotation was computed. [2021-12-07 00:07:52,754 INFO L854 garLoopResultBuilder]: At program point L9273(line 9273) the Hoare annotation is: false [2021-12-07 00:07:52,754 INFO L858 garLoopResultBuilder]: For program point L9273-1(line 9273) no Hoare annotation was computed. [2021-12-07 00:07:52,754 INFO L858 garLoopResultBuilder]: For program point L8811(lines 8811 8818) no Hoare annotation was computed. [2021-12-07 00:07:52,754 INFO L854 garLoopResultBuilder]: At program point L6053(line 6053) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) 8) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) 32) 0))) [2021-12-07 00:07:52,754 INFO L858 garLoopResultBuilder]: For program point L6053-1(line 6053) no Hoare annotation was computed. [2021-12-07 00:07:52,755 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 00:07:52,755 INFO L854 garLoopResultBuilder]: At program point L9274(line 9274) the Hoare annotation is: false [2021-12-07 00:07:52,755 INFO L858 garLoopResultBuilder]: For program point L6648-1(lines 6648 6650) no Hoare annotation was computed. [2021-12-07 00:07:52,755 INFO L854 garLoopResultBuilder]: At program point L6648(line 6648) the Hoare annotation is: false [2021-12-07 00:07:52,755 INFO L858 garLoopResultBuilder]: For program point L9274-1(line 9274) no Hoare annotation was computed. [2021-12-07 00:07:52,755 INFO L858 garLoopResultBuilder]: For program point L6648-3(lines 6648 6650) no Hoare annotation was computed. [2021-12-07 00:07:52,755 INFO L854 garLoopResultBuilder]: At program point L8812(line 8812) the Hoare annotation is: false [2021-12-07 00:07:52,755 INFO L854 garLoopResultBuilder]: At program point L8812-1(line 8812) the Hoare annotation is: false [2021-12-07 00:07:52,755 INFO L861 garLoopResultBuilder]: At program point L9291(line 9291) the Hoare annotation is: true [2021-12-07 00:07:52,755 INFO L858 garLoopResultBuilder]: For program point L8812-2(line 8812) no Hoare annotation was computed. [2021-12-07 00:07:52,755 INFO L854 garLoopResultBuilder]: At program point L6054(line 6054) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (and (not (= (select .cse0 8) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) 8) 0) (not (= (select .cse0 32) 0)))) [2021-12-07 00:07:52,755 INFO L858 garLoopResultBuilder]: For program point L6054-1(line 6054) no Hoare annotation was computed. [2021-12-07 00:07:52,755 INFO L854 garLoopResultBuilder]: At program point L9275(lines 9275 9277) the Hoare annotation is: false [2021-12-07 00:07:52,755 INFO L858 garLoopResultBuilder]: For program point L9275-1(lines 9275 9277) no Hoare annotation was computed. [2021-12-07 00:07:52,755 INFO L858 garLoopResultBuilder]: For program point L6616(lines 6616 6626) no Hoare annotation was computed. [2021-12-07 00:07:52,755 INFO L854 garLoopResultBuilder]: At program point L8813(line 8813) the Hoare annotation is: false [2021-12-07 00:07:52,755 INFO L854 garLoopResultBuilder]: At program point L8813-1(line 8813) the Hoare annotation is: false [2021-12-07 00:07:52,755 INFO L858 garLoopResultBuilder]: For program point L8813-2(line 8813) no Hoare annotation was computed. [2021-12-07 00:07:52,755 INFO L854 garLoopResultBuilder]: At program point L6055(lines 6050 6056) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (and (not (= (select .cse0 8) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) 8) 0) (not (= (select .cse0 32) 0)))) [2021-12-07 00:07:52,755 INFO L854 garLoopResultBuilder]: At program point L6650(line 6650) the Hoare annotation is: false [2021-12-07 00:07:52,756 INFO L858 garLoopResultBuilder]: For program point L6617-1(line 6617) no Hoare annotation was computed. [2021-12-07 00:07:52,756 INFO L854 garLoopResultBuilder]: At program point L6617(line 6617) the Hoare annotation is: (and (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0))) [2021-12-07 00:07:52,756 INFO L858 garLoopResultBuilder]: For program point L6650-1(line 6650) no Hoare annotation was computed. [2021-12-07 00:07:52,756 INFO L854 garLoopResultBuilder]: At program point L8814-1(line 8814) the Hoare annotation is: false [2021-12-07 00:07:52,756 INFO L858 garLoopResultBuilder]: For program point L8814-2(line 8814) no Hoare annotation was computed. [2021-12-07 00:07:52,756 INFO L854 garLoopResultBuilder]: At program point L8814(line 8814) the Hoare annotation is: false [2021-12-07 00:07:52,756 INFO L854 garLoopResultBuilder]: At program point L6618(line 6618) the Hoare annotation is: (and (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0))) [2021-12-07 00:07:52,756 INFO L858 garLoopResultBuilder]: For program point L6651-1(line 6651) no Hoare annotation was computed. [2021-12-07 00:07:52,756 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 00:07:52,756 INFO L854 garLoopResultBuilder]: At program point L6651(line 6651) the Hoare annotation is: false [2021-12-07 00:07:52,756 INFO L858 garLoopResultBuilder]: For program point L6618-1(line 6618) no Hoare annotation was computed. [2021-12-07 00:07:52,756 INFO L858 garLoopResultBuilder]: For program point L8815-2(line 8815) no Hoare annotation was computed. [2021-12-07 00:07:52,756 INFO L854 garLoopResultBuilder]: At program point L8815-3(line 8815) the Hoare annotation is: false [2021-12-07 00:07:52,756 INFO L858 garLoopResultBuilder]: For program point L8815-4(line 8815) no Hoare annotation was computed. [2021-12-07 00:07:52,756 INFO L854 garLoopResultBuilder]: At program point L8815(line 8815) the Hoare annotation is: false [2021-12-07 00:07:52,756 INFO L854 garLoopResultBuilder]: At program point L8815-1(line 8815) the Hoare annotation is: false [2021-12-07 00:07:52,756 INFO L858 garLoopResultBuilder]: For program point L9278-1(lines 9278 9280) no Hoare annotation was computed. [2021-12-07 00:07:52,756 INFO L858 garLoopResultBuilder]: For program point L9245(lines 9245 9290) no Hoare annotation was computed. [2021-12-07 00:07:52,756 INFO L858 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2021-12-07 00:07:52,757 INFO L854 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)))) [2021-12-07 00:07:52,757 INFO L858 garLoopResultBuilder]: For program point L6652-1(line 6652) no Hoare annotation was computed. [2021-12-07 00:07:52,757 INFO L854 garLoopResultBuilder]: At program point L6652(line 6652) the Hoare annotation is: false [2021-12-07 00:07:52,757 INFO L854 garLoopResultBuilder]: At program point L9278(lines 9278 9280) the Hoare annotation is: false [2021-12-07 00:07:52,757 INFO L854 garLoopResultBuilder]: At program point L8816-3(line 8816) the Hoare annotation is: false [2021-12-07 00:07:52,757 INFO L854 garLoopResultBuilder]: At program point L8816-4(line 8816) the Hoare annotation is: false [2021-12-07 00:07:52,757 INFO L858 garLoopResultBuilder]: For program point L8816-1(line 8816) no Hoare annotation was computed. [2021-12-07 00:07:52,757 INFO L858 garLoopResultBuilder]: For program point L8816-2(line 8816) no Hoare annotation was computed. [2021-12-07 00:07:52,757 INFO L858 garLoopResultBuilder]: For program point L6620-1(line 6620) no Hoare annotation was computed. [2021-12-07 00:07:52,757 INFO L854 garLoopResultBuilder]: At program point L6620(line 6620) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)))) [2021-12-07 00:07:52,757 INFO L858 garLoopResultBuilder]: For program point L6653(lines 6653 6663) no Hoare annotation was computed. [2021-12-07 00:07:52,757 INFO L854 garLoopResultBuilder]: At program point L8817(line 8817) the Hoare annotation is: false [2021-12-07 00:07:52,757 INFO L858 garLoopResultBuilder]: For program point L8817-1(line 8817) no Hoare annotation was computed. [2021-12-07 00:07:52,757 INFO L854 garLoopResultBuilder]: At program point L6654(line 6654) the Hoare annotation is: false [2021-12-07 00:07:52,757 INFO L854 garLoopResultBuilder]: At program point L6621-1(line 6621) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)))) [2021-12-07 00:07:52,757 INFO L854 garLoopResultBuilder]: At program point L6621(line 6621) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)))) [2021-12-07 00:07:52,757 INFO L858 garLoopResultBuilder]: For program point L6654-1(lines 6654 6660) no Hoare annotation was computed. [2021-12-07 00:07:52,757 INFO L858 garLoopResultBuilder]: For program point L6622(line 6622) no Hoare annotation was computed. [2021-12-07 00:07:52,757 INFO L858 garLoopResultBuilder]: For program point L6655-1(line 6655) no Hoare annotation was computed. [2021-12-07 00:07:52,758 INFO L854 garLoopResultBuilder]: At program point L6655(line 6655) the Hoare annotation is: false [2021-12-07 00:07:52,758 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 00:07:52,758 INFO L854 garLoopResultBuilder]: At program point L9281(line 9281) the Hoare annotation is: false [2021-12-07 00:07:52,758 INFO L858 garLoopResultBuilder]: For program point L9281-1(line 9281) no Hoare annotation was computed. [2021-12-07 00:07:52,758 INFO L854 garLoopResultBuilder]: At program point L9265(line 9265) the Hoare annotation is: false [2021-12-07 00:07:52,758 INFO L858 garLoopResultBuilder]: For program point L9265-1(line 9265) no Hoare annotation was computed. [2021-12-07 00:07:52,758 INFO L854 garLoopResultBuilder]: At program point L9282(line 9282) the Hoare annotation is: false [2021-12-07 00:07:52,758 INFO L858 garLoopResultBuilder]: For program point L6623-1(line 6623) no Hoare annotation was computed. [2021-12-07 00:07:52,758 INFO L854 garLoopResultBuilder]: At program point L6623(line 6623) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)))) [2021-12-07 00:07:52,758 INFO L858 garLoopResultBuilder]: For program point L6656-1(line 6656) no Hoare annotation was computed. [2021-12-07 00:07:52,758 INFO L854 garLoopResultBuilder]: At program point L6656(line 6656) the Hoare annotation is: false [2021-12-07 00:07:52,758 INFO L858 garLoopResultBuilder]: For program point L9282-1(line 9282) no Hoare annotation was computed. [2021-12-07 00:07:52,758 INFO L854 garLoopResultBuilder]: At program point L9266(line 9266) the Hoare annotation is: false [2021-12-07 00:07:52,758 INFO L858 garLoopResultBuilder]: For program point L9266-1(line 9266) no Hoare annotation was computed. [2021-12-07 00:07:52,758 INFO L858 garLoopResultBuilder]: For program point L9283(line 9283) no Hoare annotation was computed. [2021-12-07 00:07:52,758 INFO L854 garLoopResultBuilder]: At program point L9283-6(line 9283) the Hoare annotation is: false [2021-12-07 00:07:52,758 INFO L858 garLoopResultBuilder]: For program point L6624-1(line 6624) no Hoare annotation was computed. [2021-12-07 00:07:52,758 INFO L858 garLoopResultBuilder]: For program point L9283-7(line 9283) no Hoare annotation was computed. [2021-12-07 00:07:52,758 INFO L854 garLoopResultBuilder]: At program point L6624(line 6624) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8))) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) .cse0) 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|) (not (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base| 0)))) [2021-12-07 00:07:52,758 INFO L858 garLoopResultBuilder]: For program point L9283-8(line 9283) no Hoare annotation was computed. [2021-12-07 00:07:52,759 INFO L854 garLoopResultBuilder]: At program point L9283-9(line 9283) the Hoare annotation is: false [2021-12-07 00:07:52,759 INFO L854 garLoopResultBuilder]: At program point L9283-2(line 9283) the Hoare annotation is: false [2021-12-07 00:07:52,759 INFO L858 garLoopResultBuilder]: For program point L9283-3(line 9283) no Hoare annotation was computed. [2021-12-07 00:07:52,759 INFO L858 garLoopResultBuilder]: For program point L9283-4(line 9283) no Hoare annotation was computed. [2021-12-07 00:07:52,759 INFO L854 garLoopResultBuilder]: At program point L9267(line 9267) the Hoare annotation is: false [2021-12-07 00:07:52,759 INFO L858 garLoopResultBuilder]: For program point L9267-1(line 9267) no Hoare annotation was computed. [2021-12-07 00:07:52,759 INFO L858 garLoopResultBuilder]: For program point L9283-10(line 9283) no Hoare annotation was computed. [2021-12-07 00:07:52,759 INFO L854 garLoopResultBuilder]: At program point L9284(line 9284) the Hoare annotation is: false [2021-12-07 00:07:52,759 INFO L858 garLoopResultBuilder]: For program point L9284-1(line 9284) no Hoare annotation was computed. [2021-12-07 00:07:52,759 INFO L854 garLoopResultBuilder]: At program point L9218(line 9218) the Hoare annotation is: false [2021-12-07 00:07:52,759 INFO L858 garLoopResultBuilder]: For program point L9284-2(line 9284) no Hoare annotation was computed. [2021-12-07 00:07:52,759 INFO L854 garLoopResultBuilder]: At program point L6658(line 6658) the Hoare annotation is: false [2021-12-07 00:07:52,759 INFO L858 garLoopResultBuilder]: For program point is_empty_stateEXIT(lines 9205 9210) no Hoare annotation was computed. [2021-12-07 00:07:52,759 INFO L861 garLoopResultBuilder]: At program point L9208(line 9208) the Hoare annotation is: true [2021-12-07 00:07:52,759 INFO L861 garLoopResultBuilder]: At program point L9207(line 9207) the Hoare annotation is: true [2021-12-07 00:07:52,759 INFO L858 garLoopResultBuilder]: For program point L9208-1(line 9208) no Hoare annotation was computed. [2021-12-07 00:07:52,759 INFO L861 garLoopResultBuilder]: At program point is_empty_stateENTRY(lines 9205 9210) the Hoare annotation is: true [2021-12-07 00:07:52,759 INFO L858 garLoopResultBuilder]: For program point L9207-1(line 9207) no Hoare annotation was computed. [2021-12-07 00:07:52,759 INFO L858 garLoopResultBuilder]: For program point is_empty_stateFINAL(lines 9205 9210) no Hoare annotation was computed. [2021-12-07 00:07:52,759 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-12-07 00:07:52,760 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-12-07 00:07:52,760 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-12-07 00:07:52,760 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-12-07 00:07:52,760 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-12-07 00:07:52,760 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-12-07 00:07:52,760 INFO L858 garLoopResultBuilder]: For program point is_ends_valid_stateEXIT(lines 9238 9243) no Hoare annotation was computed. [2021-12-07 00:07:52,760 INFO L861 garLoopResultBuilder]: At program point is_ends_valid_stateENTRY(lines 9238 9243) the Hoare annotation is: true [2021-12-07 00:07:52,760 INFO L858 garLoopResultBuilder]: For program point is_ends_valid_stateFINAL(lines 9238 9243) no Hoare annotation was computed. [2021-12-07 00:07:52,760 INFO L861 garLoopResultBuilder]: At program point L9241(line 9241) the Hoare annotation is: true [2021-12-07 00:07:52,760 INFO L861 garLoopResultBuilder]: At program point L9240(line 9240) the Hoare annotation is: true [2021-12-07 00:07:52,760 INFO L858 garLoopResultBuilder]: For program point L9241-1(line 9241) no Hoare annotation was computed. [2021-12-07 00:07:52,760 INFO L858 garLoopResultBuilder]: For program point L9240-1(line 9240) no Hoare annotation was computed. [2021-12-07 00:07:52,762 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:07:52,763 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:07:52,770 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:07:52,771 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:07:52,771 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:07:52,772 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:07:52,772 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:07:52,773 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:07:52,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:07:52 BoogieIcfgContainer [2021-12-07 00:07:52,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:07:52,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:07:52,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:07:52,774 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:07:52,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:07:08" (3/4) ... [2021-12-07 00:07:52,776 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr_explicit [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_is_valid [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_buf_belongs_to_pool [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_is_valid [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_check_atomic_ptr [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-12-07 00:07:52,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_middle_valid_state [2021-12-07 00:07:52,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_empty_state [2021-12-07 00:07:52,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-12-07 00:07:52,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr_explicit [2021-12-07 00:07:52,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_ends_valid_state [2021-12-07 00:07:52,783 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_priv_xlate_order [2021-12-07 00:07:52,799 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 147 nodes and edges [2021-12-07 00:07:52,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2021-12-07 00:07:52,803 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-12-07 00:07:52,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-12-07 00:07:52,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-12-07 00:07:52,809 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-07 00:07:52,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 00:07:52,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 00:07:53,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 00:07:53,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:07:53,530 INFO L158 Benchmark]: Toolchain (without parser) took 48635.11ms. Allocated memory was 144.7MB in the beginning and 408.9MB in the end (delta: 264.2MB). Free memory was 104.3MB in the beginning and 176.8MB in the end (delta: -72.5MB). Peak memory consumption was 282.3MB. Max. memory is 16.1GB. [2021-12-07 00:07:53,530 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:07:53,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2068.39ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 104.1MB in the beginning and 95.6MB in the end (delta: 8.5MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2021-12-07 00:07:53,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.05ms. Allocated memory is still 176.2MB. Free memory was 95.6MB in the beginning and 83.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-07 00:07:53,530 INFO L158 Benchmark]: Boogie Preprocessor took 69.88ms. Allocated memory is still 176.2MB. Free memory was 83.0MB in the beginning and 74.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 00:07:53,531 INFO L158 Benchmark]: RCFGBuilder took 1370.02ms. Allocated memory is still 176.2MB. Free memory was 74.6MB in the beginning and 94.8MB in the end (delta: -20.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-12-07 00:07:53,531 INFO L158 Benchmark]: TraceAbstraction took 44233.78ms. Allocated memory was 176.2MB in the beginning and 408.9MB in the end (delta: 232.8MB). Free memory was 93.7MB in the beginning and 294.3MB in the end (delta: -200.6MB). Peak memory consumption was 223.2MB. Max. memory is 16.1GB. [2021-12-07 00:07:53,531 INFO L158 Benchmark]: Witness Printer took 755.57ms. Allocated memory is still 408.9MB. Free memory was 294.3MB in the beginning and 176.8MB in the end (delta: 117.5MB). Peak memory consumption was 205.6MB. Max. memory is 16.1GB. [2021-12-07 00:07:53,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2068.39ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 104.1MB in the beginning and 95.6MB in the end (delta: 8.5MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.05ms. Allocated memory is still 176.2MB. Free memory was 95.6MB in the beginning and 83.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.88ms. Allocated memory is still 176.2MB. Free memory was 83.0MB in the beginning and 74.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1370.02ms. Allocated memory is still 176.2MB. Free memory was 74.6MB in the beginning and 94.8MB in the end (delta: -20.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * TraceAbstraction took 44233.78ms. Allocated memory was 176.2MB in the beginning and 408.9MB in the end (delta: 232.8MB). Free memory was 93.7MB in the beginning and 294.3MB in the end (delta: -200.6MB). Peak memory consumption was 223.2MB. Max. memory is 16.1GB. * Witness Printer took 755.57ms. Allocated memory is still 408.9MB. Free memory was 294.3MB in the beginning and 176.8MB in the end (delta: 117.5MB). Peak memory consumption was 205.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 233]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 300 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 44.2s, OverallIterations: 18, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1795 SdHoareTripleChecker+Valid, 7.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1565 mSDsluCounter, 43587 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4103 IncrementalHoareTripleChecker+Unchecked, 37045 mSDsCounter, 903 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15685 IncrementalHoareTripleChecker+Invalid, 20691 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 903 mSolverCounterUnsat, 6542 mSDtfsCounter, 15685 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5623 GetRequests, 5090 SyntacticMatches, 81 SemanticMatches, 452 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5731 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=398occurred in iteration=16, InterpolantAutomatonStates: 297, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 18 MinimizatonAttempts, 133 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 111 LocationsWithAnnotation, 2596 PreInvPairs, 2613 NumberOfFragments, 751 HoareAnnotationTreeSize, 2596 FomulaSimplifications, 7 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 111 FomulaSimplificationsInter, 1534 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 5.0s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 6908 NumberOfCodeBlocks, 6908 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 7125 ConstructedInterpolants, 612 QuantifiedInterpolants, 19040 SizeOfPredicates, 104 NumberOfNonLiveVariables, 43611 ConjunctsInSsa, 280 ConjunctsInUnsatCore, 33 InterpolantComputations, 13 PerfectInterpolantSequences, 10756/11213 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9216]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6050]: Loop Invariant [2021-12-07 00:07:53,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:07:53,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:07:53,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:07:53,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-12-07 00:07:53,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-12-07 00:07:53,538 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((!(#memory_$Pointer$[ring_buf][8] == 0) && ring_buf == 0) && !(ring_buf == 0)) && #memory_$Pointer$[ring_buf][8] == 0) && !(#memory_$Pointer$[ring_buf][32] == 0) RESULT: Ultimate proved your program to be correct! [2021-12-07 00:07:53,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db74d2bd-a911-48cc-a6be-a73a25322942/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE