./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 04:57:26,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:57:26,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:57:26,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:57:26,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:57:26,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:57:26,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:57:26,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:57:26,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:57:26,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:57:26,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:57:26,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:57:26,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:57:26,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:57:26,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:57:26,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:57:26,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:57:26,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:57:26,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:57:26,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:57:26,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:57:26,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:57:26,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:57:26,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:57:26,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:57:26,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:57:26,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:57:26,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:57:26,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:57:26,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:57:26,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:57:26,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:57:26,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:57:26,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:57:26,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:57:26,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:57:26,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:57:26,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:57:26,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:57:26,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:57:26,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:57:26,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 04:57:26,896 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:57:26,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:57:26,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:57:26,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:57:26,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:57:26,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:57:26,898 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:57:26,898 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:57:26,898 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:57:26,898 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:57:26,898 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:57:26,898 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:57:26,899 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:57:26,899 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:57:26,899 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:57:26,899 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:57:26,899 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:57:26,899 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:57:26,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:57:26,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:57:26,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:57:26,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:57:26,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:57:26,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:57:26,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:57:26,901 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:57:26,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:57:26,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:57:26,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:57:26,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:57:26,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:57:26,902 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:57:26,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:57:26,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:57:26,903 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:57:26,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:57:26,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:57:26,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:57:26,903 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_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 [2022-12-14 04:57:27,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:57:27,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:57:27,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:57:27,101 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:57:27,101 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:57:27,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2022-12-14 04:57:29,643 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:57:29,987 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:57:29,988 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2022-12-14 04:57:30,005 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/data/d732d2629/0d49a0c2ca0f47929cbd00a0355e216f/FLAG7c759b4a1 [2022-12-14 04:57:30,200 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/data/d732d2629/0d49a0c2ca0f47929cbd00a0355e216f [2022-12-14 04:57:30,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:57:30,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:57:30,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:57:30,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:57:30,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:57:30,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:57:30" (1/1) ... [2022-12-14 04:57:30,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2f68eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:30, skipping insertion in model container [2022-12-14 04:57:30,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:57:30" (1/1) ... [2022-12-14 04:57:30,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:57:30,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:57:30,439 WARN L237 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_9416de58-668b-485e-85f1-50ff0405b800/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2022-12-14 04:57:30,446 WARN L237 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_9416de58-668b-485e-85f1-50ff0405b800/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2022-12-14 04:57:30,976 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:30,977 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:30,978 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:30,978 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:30,979 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:30,993 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:30,994 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:30,996 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:30,996 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:30,998 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:30,999 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:30,999 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,000 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,048 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:57:31,048 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:57:31,049 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:57:31,052 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:57:31,054 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:57:31,054 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:57:31,268 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:57:31,268 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:57:31,269 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:57:31,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:57:31,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:57:31,271 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:57:31,272 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:57:31,272 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:57:31,273 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:57:31,273 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:57:31,274 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:57:31,394 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:57:31,435 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 04:57:31,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:57:31,458 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:57:31,467 WARN L237 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_9416de58-668b-485e-85f1-50ff0405b800/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2022-12-14 04:57:31,467 WARN L237 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_9416de58-668b-485e-85f1-50ff0405b800/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2022-12-14 04:57:31,492 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,492 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,492 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,493 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,493 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,498 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,499 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,500 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,500 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,501 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,502 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,502 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,502 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:57:31,508 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:57:31,508 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:57:31,509 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:57:31,511 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:57:31,512 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:57:31,513 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:57:31,531 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:57:31,532 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:57:31,532 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:57:31,533 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:57:31,534 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:57:31,534 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:57:31,535 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:57:31,535 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:57:31,536 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:57:31,536 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:57:31,536 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:57:31,555 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:57:31,580 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 04:57:31,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:57:31,725 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:57:31,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31 WrapperNode [2022-12-14 04:57:31,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:57:31,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:57:31,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:57:31,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:57:31,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31" (1/1) ... [2022-12-14 04:57:31,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31" (1/1) ... [2022-12-14 04:57:31,831 INFO L138 Inliner]: procedures = 689, calls = 1510, calls flagged for inlining = 49, calls inlined = 7, statements flattened = 567 [2022-12-14 04:57:31,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:57:31,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:57:31,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:57:31,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:57:31,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31" (1/1) ... [2022-12-14 04:57:31,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31" (1/1) ... [2022-12-14 04:57:31,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31" (1/1) ... [2022-12-14 04:57:31,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31" (1/1) ... [2022-12-14 04:57:31,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31" (1/1) ... [2022-12-14 04:57:31,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31" (1/1) ... [2022-12-14 04:57:31,879 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31" (1/1) ... [2022-12-14 04:57:31,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31" (1/1) ... [2022-12-14 04:57:31,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:57:31,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:57:31,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:57:31,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:57:31,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31" (1/1) ... [2022-12-14 04:57:31,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:57:31,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:57:31,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:57:31,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:57:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2022-12-14 04:57:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:57:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 04:57:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 04:57:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-12-14 04:57:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-12-14 04:57:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2022-12-14 04:57:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2022-12-14 04:57:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2022-12-14 04:57:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2022-12-14 04:57:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 04:57:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 04:57:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 04:57:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 04:57:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:57:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:57:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:57:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2022-12-14 04:57:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2022-12-14 04:57:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:57:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:57:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 04:57:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 04:57:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 04:57:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 04:57:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 04:57:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 04:57:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 04:57:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 04:57:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-12-14 04:57:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-12-14 04:57:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:57:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:57:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 04:57:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2022-12-14 04:57:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2022-12-14 04:57:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 04:57:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 04:57:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2022-12-14 04:57:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2022-12-14 04:57:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:57:32,196 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:57:32,198 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:57:32,863 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:57:32,974 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:57:32,974 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 04:57:32,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:57:32 BoogieIcfgContainer [2022-12-14 04:57:32,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:57:32,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:57:32,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:57:32,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:57:32,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:57:30" (1/3) ... [2022-12-14 04:57:32,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38da094e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:57:32, skipping insertion in model container [2022-12-14 04:57:32,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:57:31" (2/3) ... [2022-12-14 04:57:32,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38da094e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:57:32, skipping insertion in model container [2022-12-14 04:57:32,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:57:32" (3/3) ... [2022-12-14 04:57:32,983 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness.i [2022-12-14 04:57:32,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:57:32,998 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 04:57:33,055 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:57:33,060 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@724c7da1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:57:33,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 04:57:33,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 60 states have (on average 1.25) internal successors, (75), 62 states have internal predecessors, (75), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2022-12-14 04:57:33,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 04:57:33,070 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:33,071 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-12-14 04:57:33,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:33,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:33,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1565176431, now seen corresponding path program 1 times [2022-12-14 04:57:33,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:33,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85211242] [2022-12-14 04:57:33,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:33,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:33,499 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-14 04:57:33,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:33,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85211242] [2022-12-14 04:57:33,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85211242] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:33,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:33,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:57:33,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206015749] [2022-12-14 04:57:33,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:33,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 04:57:33,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:33,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 04:57:33,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 04:57:33,538 INFO L87 Difference]: Start difference. First operand has 106 states, 60 states have (on average 1.25) internal successors, (75), 62 states have internal predecessors, (75), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 04:57:33,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:33,685 INFO L93 Difference]: Finished difference Result 204 states and 262 transitions. [2022-12-14 04:57:33,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 04:57:33,688 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 64 [2022-12-14 04:57:33,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:33,696 INFO L225 Difference]: With dead ends: 204 [2022-12-14 04:57:33,696 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 04:57:33,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 04:57:33,703 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:33,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 04:57:33,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 04:57:33,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-12-14 04:57:33,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 59 states have internal predecessors, (68), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-12-14 04:57:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 125 transitions. [2022-12-14 04:57:33,746 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 125 transitions. Word has length 64 [2022-12-14 04:57:33,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:33,748 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 125 transitions. [2022-12-14 04:57:33,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 04:57:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 125 transitions. [2022-12-14 04:57:33,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 04:57:33,751 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:33,751 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-12-14 04:57:33,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:57:33,751 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:33,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:33,752 INFO L85 PathProgramCache]: Analyzing trace with hash -682153349, now seen corresponding path program 1 times [2022-12-14 04:57:33,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:33,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943540167] [2022-12-14 04:57:33,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:33,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-14 04:57:34,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:34,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943540167] [2022-12-14 04:57:34,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943540167] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:34,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:34,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 04:57:34,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424493054] [2022-12-14 04:57:34,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:34,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:57:34,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:34,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:57:34,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:57:34,265 INFO L87 Difference]: Start difference. First operand 103 states and 125 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-14 04:57:34,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:34,834 INFO L93 Difference]: Finished difference Result 164 states and 199 transitions. [2022-12-14 04:57:34,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:57:34,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) Word has length 69 [2022-12-14 04:57:34,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:34,837 INFO L225 Difference]: With dead ends: 164 [2022-12-14 04:57:34,837 INFO L226 Difference]: Without dead ends: 109 [2022-12-14 04:57:34,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:57:34,838 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 3 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:34,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 539 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 04:57:34,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-12-14 04:57:34,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2022-12-14 04:57:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.1833333333333333) internal successors, (71), 62 states have internal predecessors, (71), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-12-14 04:57:34,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 129 transitions. [2022-12-14 04:57:34,848 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 129 transitions. Word has length 69 [2022-12-14 04:57:34,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:34,849 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 129 transitions. [2022-12-14 04:57:34,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-14 04:57:34,849 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2022-12-14 04:57:34,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 04:57:34,850 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:34,850 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-12-14 04:57:34,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 04:57:34,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:34,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:34,851 INFO L85 PathProgramCache]: Analyzing trace with hash -926352742, now seen corresponding path program 1 times [2022-12-14 04:57:34,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:34,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049776381] [2022-12-14 04:57:34,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:34,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-14 04:57:35,052 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:35,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049776381] [2022-12-14 04:57:35,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049776381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:35,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:35,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:57:35,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247462727] [2022-12-14 04:57:35,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:35,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:57:35,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:35,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:57:35,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:57:35,055 INFO L87 Difference]: Start difference. First operand 107 states and 129 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-14 04:57:35,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:35,235 INFO L93 Difference]: Finished difference Result 149 states and 179 transitions. [2022-12-14 04:57:35,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:57:35,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 73 [2022-12-14 04:57:35,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:35,238 INFO L225 Difference]: With dead ends: 149 [2022-12-14 04:57:35,238 INFO L226 Difference]: Without dead ends: 107 [2022-12-14 04:57:35,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:57:35,239 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:35,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 326 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 04:57:35,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-14 04:57:35,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-12-14 04:57:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-12-14 04:57:35,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 128 transitions. [2022-12-14 04:57:35,252 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 128 transitions. Word has length 73 [2022-12-14 04:57:35,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:35,253 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 128 transitions. [2022-12-14 04:57:35,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-14 04:57:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2022-12-14 04:57:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 04:57:35,255 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:35,255 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:57:35,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 04:57:35,255 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:35,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:35,256 INFO L85 PathProgramCache]: Analyzing trace with hash 893292607, now seen corresponding path program 1 times [2022-12-14 04:57:35,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:35,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546550240] [2022-12-14 04:57:35,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:35,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-14 04:57:35,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:35,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546550240] [2022-12-14 04:57:35,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546550240] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:35,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:35,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 04:57:35,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533490637] [2022-12-14 04:57:35,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:35,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:57:35,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:35,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:57:35,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:57:35,520 INFO L87 Difference]: Start difference. First operand 107 states and 128 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-14 04:57:35,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:35,870 INFO L93 Difference]: Finished difference Result 147 states and 182 transitions. [2022-12-14 04:57:35,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:57:35,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 79 [2022-12-14 04:57:35,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:35,872 INFO L225 Difference]: With dead ends: 147 [2022-12-14 04:57:35,872 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 04:57:35,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 04:57:35,873 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 21 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:35,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 468 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 04:57:35,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 04:57:35,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-12-14 04:57:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.1403508771929824) internal successors, (65), 58 states have internal predecessors, (65), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-12-14 04:57:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2022-12-14 04:57:35,880 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 79 [2022-12-14 04:57:35,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:35,880 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2022-12-14 04:57:35,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-14 04:57:35,880 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2022-12-14 04:57:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 04:57:35,881 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:35,882 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-12-14 04:57:35,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 04:57:35,882 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:35,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:35,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1409203312, now seen corresponding path program 1 times [2022-12-14 04:57:35,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:35,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715406713] [2022-12-14 04:57:35,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:35,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:36,389 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 04:57:36,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:36,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715406713] [2022-12-14 04:57:36,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715406713] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:57:36,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545839292] [2022-12-14 04:57:36,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:36,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:57:36,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:57:36,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:57:36,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 04:57:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:36,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 2265 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 04:57:36,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:57:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 04:57:36,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:57:36,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545839292] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:36,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:57:36,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2022-12-14 04:57:36,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071340195] [2022-12-14 04:57:36,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:36,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 04:57:36,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:36,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 04:57:36,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:57:36,844 INFO L87 Difference]: Start difference. First operand 103 states and 123 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 04:57:37,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:37,033 INFO L93 Difference]: Finished difference Result 145 states and 177 transitions. [2022-12-14 04:57:37,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 04:57:37,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 101 [2022-12-14 04:57:37,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:37,035 INFO L225 Difference]: With dead ends: 145 [2022-12-14 04:57:37,035 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 04:57:37,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-14 04:57:37,037 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 3 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:37,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 397 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 04:57:37,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 04:57:37,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-12-14 04:57:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.1228070175438596) internal successors, (64), 58 states have internal predecessors, (64), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-12-14 04:57:37,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2022-12-14 04:57:37,047 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 101 [2022-12-14 04:57:37,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:37,048 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2022-12-14 04:57:37,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 04:57:37,048 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2022-12-14 04:57:37,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 04:57:37,050 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:37,050 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-12-14 04:57:37,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:57:37,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:57:37,251 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:37,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:37,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1668292828, now seen corresponding path program 1 times [2022-12-14 04:57:37,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:37,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971739930] [2022-12-14 04:57:37,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:37,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 04:57:37,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:37,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971739930] [2022-12-14 04:57:37,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971739930] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:57:37,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914974060] [2022-12-14 04:57:37,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:37,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:57:37,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:57:37,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:57:37,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 04:57:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:38,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 2269 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 04:57:38,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:57:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 04:57:38,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:57:38,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914974060] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:38,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:57:38,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-12-14 04:57:38,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493364221] [2022-12-14 04:57:38,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:38,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:57:38,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:38,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:57:38,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-14 04:57:38,144 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 04:57:38,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:38,396 INFO L93 Difference]: Finished difference Result 145 states and 175 transitions. [2022-12-14 04:57:38,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:57:38,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 103 [2022-12-14 04:57:38,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:38,399 INFO L225 Difference]: With dead ends: 145 [2022-12-14 04:57:38,399 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 04:57:38,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-12-14 04:57:38,400 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 11 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:38,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 379 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 04:57:38,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 04:57:38,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-12-14 04:57:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.105263157894737) internal successors, (63), 58 states have internal predecessors, (63), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-12-14 04:57:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 121 transitions. [2022-12-14 04:57:38,410 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 121 transitions. Word has length 103 [2022-12-14 04:57:38,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:38,411 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 121 transitions. [2022-12-14 04:57:38,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 04:57:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-12-14 04:57:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-14 04:57:38,413 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:38,413 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-12-14 04:57:38,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 04:57:38,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:57:38,615 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:38,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:38,616 INFO L85 PathProgramCache]: Analyzing trace with hash 373061272, now seen corresponding path program 1 times [2022-12-14 04:57:38,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:38,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344453087] [2022-12-14 04:57:38,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:38,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 04:57:39,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:39,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344453087] [2022-12-14 04:57:39,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344453087] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:57:39,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759918888] [2022-12-14 04:57:39,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:39,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:57:39,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:57:39,108 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:57:39,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 04:57:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:39,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 2273 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 04:57:39,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:57:39,501 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 04:57:39,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:57:39,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759918888] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:39,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:57:39,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-12-14 04:57:39,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491265301] [2022-12-14 04:57:39,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:39,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:57:39,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:39,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:57:39,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-14 04:57:39,504 INFO L87 Difference]: Start difference. First operand 103 states and 121 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 04:57:39,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:39,807 INFO L93 Difference]: Finished difference Result 145 states and 173 transitions. [2022-12-14 04:57:39,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:57:39,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 105 [2022-12-14 04:57:39,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:39,808 INFO L225 Difference]: With dead ends: 145 [2022-12-14 04:57:39,808 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 04:57:39,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-12-14 04:57:39,809 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 9 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:39,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 377 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 04:57:39,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 04:57:39,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-12-14 04:57:39,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.087719298245614) internal successors, (62), 58 states have internal predecessors, (62), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-12-14 04:57:39,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2022-12-14 04:57:39,815 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 105 [2022-12-14 04:57:39,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:39,815 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2022-12-14 04:57:39,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 04:57:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2022-12-14 04:57:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-14 04:57:39,816 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:39,816 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-12-14 04:57:39,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 04:57:40,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:57:40,018 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:40,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:40,018 INFO L85 PathProgramCache]: Analyzing trace with hash -2130699356, now seen corresponding path program 1 times [2022-12-14 04:57:40,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:40,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345331982] [2022-12-14 04:57:40,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:40,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:40,431 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 04:57:40,431 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:40,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345331982] [2022-12-14 04:57:40,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345331982] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:57:40,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877235239] [2022-12-14 04:57:40,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:40,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:57:40,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:57:40,433 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:57:40,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 04:57:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:40,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 2277 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 04:57:40,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:57:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 04:57:40,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:57:40,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877235239] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:40,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:57:40,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-12-14 04:57:40,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430555367] [2022-12-14 04:57:40,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:40,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:57:40,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:40,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:57:40,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-14 04:57:40,842 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 04:57:41,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:41,130 INFO L93 Difference]: Finished difference Result 145 states and 171 transitions. [2022-12-14 04:57:41,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:57:41,131 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 107 [2022-12-14 04:57:41,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:41,133 INFO L225 Difference]: With dead ends: 145 [2022-12-14 04:57:41,133 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 04:57:41,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-12-14 04:57:41,134 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 7 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:41,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 469 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 04:57:41,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 04:57:41,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-12-14 04:57:41,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-12-14 04:57:41,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 119 transitions. [2022-12-14 04:57:41,139 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 119 transitions. Word has length 107 [2022-12-14 04:57:41,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:41,139 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 119 transitions. [2022-12-14 04:57:41,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 04:57:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2022-12-14 04:57:41,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 04:57:41,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:41,140 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-12-14 04:57:41,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 04:57:41,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:57:41,342 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:41,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:41,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1235843168, now seen corresponding path program 1 times [2022-12-14 04:57:41,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:41,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455702287] [2022-12-14 04:57:41,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:41,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:42,155 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-14 04:57:42,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:42,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455702287] [2022-12-14 04:57:42,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455702287] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:42,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:42,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 04:57:42,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490337818] [2022-12-14 04:57:42,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:42,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 04:57:42,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:42,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 04:57:42,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:57:42,157 INFO L87 Difference]: Start difference. First operand 103 states and 119 transitions. Second operand has 9 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 04:57:42,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:42,788 INFO L93 Difference]: Finished difference Result 154 states and 176 transitions. [2022-12-14 04:57:42,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 04:57:42,788 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) Word has length 109 [2022-12-14 04:57:42,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:42,790 INFO L225 Difference]: With dead ends: 154 [2022-12-14 04:57:42,790 INFO L226 Difference]: Without dead ends: 95 [2022-12-14 04:57:42,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 04:57:42,790 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 1 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:42,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 774 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 04:57:42,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-12-14 04:57:42,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-12-14 04:57:42,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 52 states have (on average 1.0384615384615385) internal successors, (54), 53 states have internal predecessors, (54), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-12-14 04:57:42,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2022-12-14 04:57:42,795 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 109 [2022-12-14 04:57:42,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:42,795 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2022-12-14 04:57:42,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 04:57:42,795 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2022-12-14 04:57:42,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 04:57:42,796 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:42,796 INFO L195 NwaCegarLoop]: trace histogram [7, 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] [2022-12-14 04:57:42,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 04:57:42,796 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:42,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:42,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1760230821, now seen corresponding path program 1 times [2022-12-14 04:57:42,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:42,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680098604] [2022-12-14 04:57:42,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:42,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:43,122 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 04:57:43,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:43,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680098604] [2022-12-14 04:57:43,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680098604] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:57:43,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:57:43,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:57:43,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999972666] [2022-12-14 04:57:43,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:57:43,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:57:43,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:57:43,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:57:43,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:57:43,124 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 04:57:43,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:57:43,325 INFO L93 Difference]: Finished difference Result 180 states and 203 transitions. [2022-12-14 04:57:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:57:43,326 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 113 [2022-12-14 04:57:43,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:57:43,327 INFO L225 Difference]: With dead ends: 180 [2022-12-14 04:57:43,327 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 04:57:43,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 04:57:43,328 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 1 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 04:57:43,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 283 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 04:57:43,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 04:57:43,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-12-14 04:57:43,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 53 states have (on average 1.0377358490566038) internal successors, (55), 54 states have internal predecessors, (55), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-12-14 04:57:43,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2022-12-14 04:57:43,333 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 113 [2022-12-14 04:57:43,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:57:43,333 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2022-12-14 04:57:43,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 04:57:43,333 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2022-12-14 04:57:43,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-14 04:57:43,334 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:57:43,334 INFO L195 NwaCegarLoop]: trace histogram [7, 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] [2022-12-14 04:57:43,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 04:57:43,334 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:57:43,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:57:43,334 INFO L85 PathProgramCache]: Analyzing trace with hash 707247168, now seen corresponding path program 1 times [2022-12-14 04:57:43,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:57:43,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671293697] [2022-12-14 04:57:43,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:43,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:57:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 04:57:43,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:57:43,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671293697] [2022-12-14 04:57:43,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671293697] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:57:43,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675679239] [2022-12-14 04:57:43,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:57:43,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:57:43,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:57:43,694 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:57:43,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9416de58-668b-485e-85f1-50ff0405b800/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 04:57:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:57:44,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 2310 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 04:57:44,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:57:44,105 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-14 04:57:44,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:57:44,251 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 04:57:44,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675679239] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 04:57:44,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [963762570] [2022-12-14 04:57:44,272 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2022-12-14 04:57:44,272 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 04:57:44,276 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 04:57:44,281 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 04:57:44,281 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 04:57:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:57:46,906 INFO L217 Elim1Store]: Index analysis took 311 ms [2022-12-14 04:58:05,435 WARN L233 SmtUtils]: Spent 18.47s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 04:58:05,439 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-12-14 04:58:05,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-12-14 04:58:08,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:58:08,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19307 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 987 treesize of output 1574 [2022-12-14 05:00:36,779 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 05:00:36,781 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 12 [2022-12-14 05:00:36,784 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 05:00:36,788 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 05:00:36,797 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 05:00:36,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-12-14 05:00:36,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 05:00:36,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-12-14 05:00:36,826 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 05:00:36,830 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 12 [2022-12-14 05:00:36,836 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 05:00:36,841 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 05:00:40,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:40,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-12-14 05:00:41,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:41,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:41,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:41,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:41,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:41,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:41,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:41,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 05:00:42,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:42,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:42,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:42,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:42,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:42,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:42,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 05:00:53,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 05:00:54,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:54,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 05:00:55,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:00:55,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-12-14 05:01:03,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2022-12-14 05:01:03,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-12-14 05:01:04,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:04,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 05:01:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:05,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 05:01:09,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:09,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 05:01:09,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:10,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 05:01:10,926 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 05:01:10,967 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 05:01:11,022 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 05:01:11,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 05:01:11,600 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-12-14 05:01:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:11,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 36 [2022-12-14 05:01:11,721 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-12-14 05:01:11,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:11,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 05:01:12,430 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 7 [2022-12-14 05:01:12,433 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-12-14 05:01:12,435 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 7 [2022-12-14 05:01:12,439 INFO L350 Elim1Store]: Elim1 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 15 treesize of output 1 [2022-12-14 05:01:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:12,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 05:01:12,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:12,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 26 [2022-12-14 05:01:13,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:13,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 26 [2022-12-14 05:01:14,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:01:14,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 05:01:15,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-14 05:01:15,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 23 [2022-12-14 05:01:16,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 23 [2022-12-14 05:01:16,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-14 05:01:18,731 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 05:01:18,741 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-12-14 05:01:18,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2187 treesize of output 2183 [2022-12-14 05:01:19,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2202 treesize of output 2198 [2022-12-14 05:02:58,223 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 73 for LOIs [2022-12-14 05:02:58,244 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_init_ptr with input of size 781 for LOIs [2022-12-14 05:03:02,237 INFO L197 IcfgInterpreter]: Interpreting procedure aws_ring_buffer_is_valid with input of size 777 for LOIs [2022-12-14 05:03:46,396 INFO L197 IcfgInterpreter]: Interpreting procedure aws_ring_buffer_check_atomic_ptr with input of size 84 for LOIs [2022-12-14 05:03:46,459 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mem_acquire with input of size 1470 for LOIs [2022-12-14 05:04:51,500 INFO L197 IcfgInterpreter]: Interpreting procedure aws_allocator_is_valid with input of size 1451 for LOIs [2022-12-14 05:05:08,353 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 3261 for LOIs [2022-12-14 05:05:22,083 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 2848 for LOIs [2022-12-14 05:06:56,440 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 05:06:56,447 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 05:06:56,455 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 12 [2022-12-14 05:06:56,463 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-12-14 05:06:56,474 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_load_ptr with input of size 50 for LOIs [2022-12-14 05:06:56,524 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_priv_xlate_order with input of size 46 for LOIs [2022-12-14 05:06:56,560 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 1469 for LOIs [2022-12-14 05:07:28,697 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 1447 for LOIs [2022-12-14 05:07:30,556 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 1469 for LOIs [2022-12-14 05:07:47,450 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 45 for LOIs [2022-12-14 05:07:47,453 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:08:54,207 WARN L233 SmtUtils]: Spent 1.10m on a formula simplification. DAG size of input: 2808 DAG size of output: 2424 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 05:09:55,919 WARN L233 SmtUtils]: Spent 1.00m on a formula simplification. DAG size of input: 3261 DAG size of output: 1438 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 05:10:15,589 WARN L233 SmtUtils]: Spent 16.03s on a formula simplification. DAG size of input: 3265 DAG size of output: 1442 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 05:11:18,758 WARN L233 SmtUtils]: Spent 1.04m on a formula simplification. DAG size of input: 2825 DAG size of output: 2430 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)