./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.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_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/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_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/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_e906d871-d1ba-4770-877c-a81447ef3610/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 1c517517871054b5aafbeac4d08a3e3239f78fa5f915d4a5964ea200c3d634dc --- 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 15:59:45,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:59:45,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:59:45,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:59:45,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:59:45,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:59:45,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:59:45,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:59:45,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:59:45,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:59:45,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:59:45,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:59:45,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:59:45,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:59:45,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:59:45,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:59:45,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:59:45,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:59:45,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:59:45,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:59:45,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:59:45,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:59:45,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:59:45,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:59:45,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:59:45,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:59:45,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:59:45,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:59:45,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:59:45,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:59:45,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:59:45,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:59:45,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:59:45,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:59:45,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:59:45,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:59:45,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:59:45,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:59:45,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:59:45,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:59:45,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:59:45,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:59:45,255 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:59:45,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:59:45,255 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:59:45,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:59:45,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:59:45,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:59:45,256 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:59:45,256 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:59:45,256 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:59:45,256 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:59:45,256 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:59:45,256 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:59:45,257 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:59:45,257 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:59:45,257 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:59:45,257 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:59:45,257 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:59:45,257 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:59:45,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:59:45,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:59:45,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:59:45,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:59:45,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:59:45,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:59:45,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:59:45,258 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:59:45,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:59:45,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:59:45,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:59:45,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:59:45,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:59:45,259 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:59:45,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:59:45,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:59:45,259 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:59:45,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:59:45,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:59:45,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:59:45,259 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_e906d871-d1ba-4770-877c-a81447ef3610/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c517517871054b5aafbeac4d08a3e3239f78fa5f915d4a5964ea200c3d634dc [2022-12-14 15:59:45,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:59:45,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:59:45,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:59:45,454 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:59:45,455 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:59:45,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i [2022-12-14 15:59:48,120 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:59:48,385 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:59:48,385 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i [2022-12-14 15:59:48,404 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/data/4ae843a42/e415955bb41f486399ad710ebd4eea01/FLAGde9d324d1 [2022-12-14 15:59:48,414 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/data/4ae843a42/e415955bb41f486399ad710ebd4eea01 [2022-12-14 15:59:48,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:59:48,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:59:48,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:59:48,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:59:48,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:59:48,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:59:48" (1/1) ... [2022-12-14 15:59:48,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1026f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:48, skipping insertion in model container [2022-12-14 15:59:48,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:59:48" (1/1) ... [2022-12-14 15:59:48,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:59:48,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:59:48,650 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_e906d871-d1ba-4770-877c-a81447ef3610/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2022-12-14 15:59:48,656 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_e906d871-d1ba-4770-877c-a81447ef3610/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2022-12-14 15:59:49,236 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,237 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,237 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,238 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,239 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,249 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,249 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,251 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,251 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,253 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,253 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,254 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,254 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,301 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:59:49,301 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:59:49,302 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:59:49,306 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 15:59:49,307 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 15:59:49,308 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 15:59:49,491 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:59:49,492 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 15:59:49,493 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 15:59:49,494 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 15:59:49,495 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 15:59:49,496 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 15:59:49,496 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 15:59:49,497 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 15:59:49,497 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 15:59:49,497 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 15:59:49,498 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 15:59:49,603 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 15:59:49,646 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:59:49,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:59:49,670 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:59:49,680 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_e906d871-d1ba-4770-877c-a81447ef3610/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4494,4507] [2022-12-14 15:59:49,681 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_e906d871-d1ba-4770-877c-a81447ef3610/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness_negated.i[4554,4567] [2022-12-14 15:59:49,711 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,711 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,711 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,712 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,712 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,717 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,718 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,718 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,719 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,720 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,720 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,720 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,721 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:59:49,725 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:59:49,726 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:59:49,726 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:59:49,728 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 15:59:49,729 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 15:59:49,730 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 15:59:49,746 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:59:49,746 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 15:59:49,747 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 15:59:49,747 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 15:59:49,748 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 15:59:49,748 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 15:59:49,749 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 15:59:49,749 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 15:59:49,749 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 15:59:49,749 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 15:59:49,750 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 15:59:49,765 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 15:59:49,785 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:59:49,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:59:49,915 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:59:49,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49 WrapperNode [2022-12-14 15:59:49,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:59:49,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:59:49,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:59:49,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:59:49,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49" (1/1) ... [2022-12-14 15:59:49,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49" (1/1) ... [2022-12-14 15:59:50,013 INFO L138 Inliner]: procedures = 689, calls = 1510, calls flagged for inlining = 49, calls inlined = 7, statements flattened = 567 [2022-12-14 15:59:50,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:59:50,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:59:50,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:59:50,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:59:50,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49" (1/1) ... [2022-12-14 15:59:50,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49" (1/1) ... [2022-12-14 15:59:50,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49" (1/1) ... [2022-12-14 15:59:50,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49" (1/1) ... [2022-12-14 15:59:50,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49" (1/1) ... [2022-12-14 15:59:50,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49" (1/1) ... [2022-12-14 15:59:50,064 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49" (1/1) ... [2022-12-14 15:59:50,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49" (1/1) ... [2022-12-14 15:59:50,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:59:50,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:59:50,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:59:50,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:59:50,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49" (1/1) ... [2022-12-14 15:59:50,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:59:50,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:59:50,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:59:50,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:59:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2022-12-14 15:59:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:59:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 15:59:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 15:59:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-12-14 15:59:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-12-14 15:59:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2022-12-14 15:59:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2022-12-14 15:59:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2022-12-14 15:59:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2022-12-14 15:59:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 15:59:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 15:59:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 15:59:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 15:59:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:59:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:59:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:59:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2022-12-14 15:59:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2022-12-14 15:59:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:59:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:59:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 15:59:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 15:59:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 15:59:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 15:59:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:59:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:59:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 15:59:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 15:59:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-12-14 15:59:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-12-14 15:59:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:59:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:59:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:59:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2022-12-14 15:59:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2022-12-14 15:59:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 15:59:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 15:59:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2022-12-14 15:59:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2022-12-14 15:59:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:59:50,358 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:59:50,360 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:59:50,947 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:59:51,061 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:59:51,061 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 15:59:51,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:59:51 BoogieIcfgContainer [2022-12-14 15:59:51,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:59:51,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:59:51,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:59:51,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:59:51,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:59:48" (1/3) ... [2022-12-14 15:59:51,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da4ce96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:59:51, skipping insertion in model container [2022-12-14 15:59:51,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:59:49" (2/3) ... [2022-12-14 15:59:51,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da4ce96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:59:51, skipping insertion in model container [2022-12-14 15:59:51,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:59:51" (3/3) ... [2022-12-14 15:59:51,071 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness_negated.i [2022-12-14 15:59:51,086 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:59:51,086 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 15:59:51,123 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:59:51,127 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;@7bdffe87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:59:51,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 15:59:51,131 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 15:59:51,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 15:59:51,138 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:59:51,139 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 15:59:51,139 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 15:59:51,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:59:51,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1565176431, now seen corresponding path program 1 times [2022-12-14 15:59:51,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:59:51,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376659455] [2022-12-14 15:59:51,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:51,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:59:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:51,537 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 15:59:51,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:59:51,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376659455] [2022-12-14 15:59:51,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376659455] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:59:51,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:59:51,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 15:59:51,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658286580] [2022-12-14 15:59:51,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:59:51,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 15:59:51,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:59:51,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 15:59:51,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 15:59:51,567 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 15:59:51,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:59:51,704 INFO L93 Difference]: Finished difference Result 204 states and 262 transitions. [2022-12-14 15:59:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 15:59:51,707 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 15:59:51,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:59:51,713 INFO L225 Difference]: With dead ends: 204 [2022-12-14 15:59:51,713 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 15:59:51,715 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 15:59:51,718 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 15:59:51,718 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 15:59:51,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 15:59:51,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-12-14 15:59:51,748 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 15:59:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 125 transitions. [2022-12-14 15:59:51,750 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 125 transitions. Word has length 64 [2022-12-14 15:59:51,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:59:51,751 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 125 transitions. [2022-12-14 15:59:51,752 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 15:59:51,752 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 125 transitions. [2022-12-14 15:59:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 15:59:51,753 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:59:51,753 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 15:59:51,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:59:51,754 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 15:59:51,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:59:51,754 INFO L85 PathProgramCache]: Analyzing trace with hash -682153349, now seen corresponding path program 1 times [2022-12-14 15:59:51,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:59:51,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484549801] [2022-12-14 15:59:51,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:51,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:59:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:52,158 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 15:59:52,158 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:59:52,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484549801] [2022-12-14 15:59:52,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484549801] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:59:52,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:59:52,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:59:52,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987756328] [2022-12-14 15:59:52,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:59:52,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:59:52,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:59:52,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:59:52,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:59:52,162 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 15:59:52,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:59:52,709 INFO L93 Difference]: Finished difference Result 164 states and 199 transitions. [2022-12-14 15:59:52,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:59:52,710 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 15:59:52,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:59:52,712 INFO L225 Difference]: With dead ends: 164 [2022-12-14 15:59:52,713 INFO L226 Difference]: Without dead ends: 109 [2022-12-14 15:59:52,713 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 15:59:52,714 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 15:59:52,715 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 15:59:52,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-12-14 15:59:52,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2022-12-14 15:59:52,726 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 15:59:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 129 transitions. [2022-12-14 15:59:52,728 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 129 transitions. Word has length 69 [2022-12-14 15:59:52,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:59:52,729 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 129 transitions. [2022-12-14 15:59:52,729 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 15:59:52,729 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2022-12-14 15:59:52,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 15:59:52,731 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:59:52,731 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 15:59:52,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:59:52,732 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 15:59:52,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:59:52,732 INFO L85 PathProgramCache]: Analyzing trace with hash -926352742, now seen corresponding path program 1 times [2022-12-14 15:59:52,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:59:52,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869001521] [2022-12-14 15:59:52,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:52,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:59:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:52,916 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 15:59:52,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:59:52,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869001521] [2022-12-14 15:59:52,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869001521] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:59:52,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:59:52,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:59:52,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746264685] [2022-12-14 15:59:52,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:59:52,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:59:52,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:59:52,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:59:52,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:59:52,919 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 15:59:53,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:59:53,099 INFO L93 Difference]: Finished difference Result 149 states and 179 transitions. [2022-12-14 15:59:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:59:53,100 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 15:59:53,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:59:53,101 INFO L225 Difference]: With dead ends: 149 [2022-12-14 15:59:53,101 INFO L226 Difference]: Without dead ends: 107 [2022-12-14 15:59:53,102 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 15:59:53,102 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 15:59:53,103 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 15:59:53,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-12-14 15:59:53,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-12-14 15:59:53,110 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 15:59:53,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 128 transitions. [2022-12-14 15:59:53,111 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 128 transitions. Word has length 73 [2022-12-14 15:59:53,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:59:53,111 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 128 transitions. [2022-12-14 15:59:53,111 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 15:59:53,111 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2022-12-14 15:59:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 15:59:53,113 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:59:53,113 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 15:59:53,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 15:59:53,113 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 15:59:53,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:59:53,114 INFO L85 PathProgramCache]: Analyzing trace with hash 893292607, now seen corresponding path program 1 times [2022-12-14 15:59:53,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:59:53,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716936277] [2022-12-14 15:59:53,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:53,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:59:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:53,400 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 15:59:53,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:59:53,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716936277] [2022-12-14 15:59:53,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716936277] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:59:53,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:59:53,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 15:59:53,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446448356] [2022-12-14 15:59:53,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:59:53,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:59:53,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:59:53,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:59:53,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:59:53,402 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 15:59:53,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:59:53,729 INFO L93 Difference]: Finished difference Result 147 states and 182 transitions. [2022-12-14 15:59:53,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:59:53,730 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 15:59:53,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:59:53,731 INFO L225 Difference]: With dead ends: 147 [2022-12-14 15:59:53,731 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 15:59:53,732 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 15:59:53,733 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 15:59:53,734 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 15:59:53,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 15:59:53,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-12-14 15:59:53,743 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 15:59:53,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2022-12-14 15:59:53,744 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 79 [2022-12-14 15:59:53,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:59:53,744 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2022-12-14 15:59:53,744 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 15:59:53,745 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2022-12-14 15:59:53,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 15:59:53,746 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:59:53,747 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 15:59:53,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 15:59:53,747 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:59:53,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:59:53,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1409203312, now seen corresponding path program 1 times [2022-12-14 15:59:53,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:59:53,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160800444] [2022-12-14 15:59:53,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:53,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:59:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:54,265 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 15:59:54,265 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:59:54,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160800444] [2022-12-14 15:59:54,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160800444] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:59:54,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276170656] [2022-12-14 15:59:54,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:54,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:59:54,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:59:54,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:59:54,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:59:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:54,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 2265 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 15:59:54,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:59:54,730 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 15:59:54,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:59:54,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276170656] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:59:54,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:59:54,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2022-12-14 15:59:54,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639595388] [2022-12-14 15:59:54,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:59:54,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:59:54,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:59:54,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:59:54,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 15:59:54,733 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 15:59:54,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:59:54,927 INFO L93 Difference]: Finished difference Result 145 states and 177 transitions. [2022-12-14 15:59:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 15:59:54,928 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 15:59:54,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:59:54,929 INFO L225 Difference]: With dead ends: 145 [2022-12-14 15:59:54,929 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 15:59:54,929 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 15:59:54,930 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 15:59:54,930 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 15:59:54,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 15:59:54,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-12-14 15:59:54,936 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 15:59:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2022-12-14 15:59:54,937 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 101 [2022-12-14 15:59:54,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:59:54,937 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2022-12-14 15:59:54,937 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 15:59:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2022-12-14 15:59:54,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 15:59:54,938 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:59:54,939 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 15:59:54,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:59:55,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:59:55,140 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:59:55,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:59:55,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1668292828, now seen corresponding path program 1 times [2022-12-14 15:59:55,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:59:55,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103859452] [2022-12-14 15:59:55,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:55,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:59:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:55,605 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 15:59:55,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:59:55,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103859452] [2022-12-14 15:59:55,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103859452] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:59:55,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881686963] [2022-12-14 15:59:55,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:55,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:59:55,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:59:55,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:59:55,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:59:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:56,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 2269 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 15:59:56,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:59:56,097 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 15:59:56,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:59:56,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881686963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:59:56,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:59:56,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-12-14 15:59:56,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206395302] [2022-12-14 15:59:56,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:59:56,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:59:56,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:59:56,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:59:56,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-14 15:59:56,099 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 15:59:56,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:59:56,330 INFO L93 Difference]: Finished difference Result 145 states and 175 transitions. [2022-12-14 15:59:56,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:59:56,331 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 15:59:56,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:59:56,332 INFO L225 Difference]: With dead ends: 145 [2022-12-14 15:59:56,332 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 15:59:56,333 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 15:59:56,334 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 15:59:56,334 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 15:59:56,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 15:59:56,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-12-14 15:59:56,342 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 15:59:56,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 121 transitions. [2022-12-14 15:59:56,344 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 121 transitions. Word has length 103 [2022-12-14 15:59:56,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:59:56,344 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 121 transitions. [2022-12-14 15:59:56,344 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 15:59:56,345 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-12-14 15:59:56,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-14 15:59:56,346 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:59:56,346 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 15:59:56,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 15:59:56,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:59:56,548 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:59:56,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:59:56,549 INFO L85 PathProgramCache]: Analyzing trace with hash 373061272, now seen corresponding path program 1 times [2022-12-14 15:59:56,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:59:56,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964335131] [2022-12-14 15:59:56,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:56,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:59:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:56,962 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 15:59:56,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:59:56,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964335131] [2022-12-14 15:59:56,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964335131] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:59:56,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577976727] [2022-12-14 15:59:56,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:56,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:59:56,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:59:56,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:59:56,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 15:59:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:57,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 2273 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 15:59:57,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:59:57,344 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 15:59:57,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:59:57,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577976727] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:59:57,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:59:57,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-12-14 15:59:57,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130898364] [2022-12-14 15:59:57,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:59:57,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:59:57,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:59:57,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:59:57,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-14 15:59:57,346 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 15:59:57,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:59:57,578 INFO L93 Difference]: Finished difference Result 145 states and 173 transitions. [2022-12-14 15:59:57,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:59:57,579 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 15:59:57,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:59:57,581 INFO L225 Difference]: With dead ends: 145 [2022-12-14 15:59:57,581 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 15:59:57,581 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 15:59:57,582 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 9 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:59:57,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 377 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 15:59:57,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 15:59:57,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-12-14 15:59:57,590 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 15:59:57,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2022-12-14 15:59:57,591 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 105 [2022-12-14 15:59:57,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:59:57,591 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2022-12-14 15:59:57,591 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 15:59:57,592 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2022-12-14 15:59:57,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-14 15:59:57,593 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:59:57,593 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 15:59:57,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 15:59:57,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-14 15:59:57,795 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:59:57,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:59:57,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2130699356, now seen corresponding path program 1 times [2022-12-14 15:59:57,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:59:57,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447744175] [2022-12-14 15:59:57,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:57,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:59:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:58,181 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 15:59:58,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:59:58,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447744175] [2022-12-14 15:59:58,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447744175] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:59:58,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219237927] [2022-12-14 15:59:58,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:58,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:59:58,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:59:58,182 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:59:58,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 15:59:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:58,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 2277 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 15:59:58,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:59:58,531 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 15:59:58,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:59:58,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219237927] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:59:58,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:59:58,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-12-14 15:59:58,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288769530] [2022-12-14 15:59:58,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:59:58,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 15:59:58,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:59:58,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 15:59:58,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-14 15:59:58,534 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 15:59:58,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:59:58,821 INFO L93 Difference]: Finished difference Result 145 states and 171 transitions. [2022-12-14 15:59:58,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:59:58,822 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 15:59:58,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:59:58,822 INFO L225 Difference]: With dead ends: 145 [2022-12-14 15:59:58,822 INFO L226 Difference]: Without dead ends: 103 [2022-12-14 15:59:58,823 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 15:59:58,823 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 15:59:58,823 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 15:59:58,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-12-14 15:59:58,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-12-14 15:59:58,828 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 15:59:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 119 transitions. [2022-12-14 15:59:58,829 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 119 transitions. Word has length 107 [2022-12-14 15:59:58,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:59:58,829 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 119 transitions. [2022-12-14 15:59:58,829 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 15:59:58,829 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2022-12-14 15:59:58,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 15:59:58,831 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:59:58,831 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 15:59:58,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 15:59:59,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-14 15:59:59,032 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:59:59,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:59:59,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1235843168, now seen corresponding path program 1 times [2022-12-14 15:59:59,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:59:59,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746484794] [2022-12-14 15:59:59,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:59:59,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:59:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:59:59,706 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 15:59:59,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:59:59,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746484794] [2022-12-14 15:59:59,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746484794] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:59:59,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:59:59,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 15:59:59,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635229750] [2022-12-14 15:59:59,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:59:59,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 15:59:59,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:59:59,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 15:59:59,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-14 15:59:59,708 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 16:00:00,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:00:00,316 INFO L93 Difference]: Finished difference Result 154 states and 176 transitions. [2022-12-14 16:00:00,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 16:00:00,316 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 16:00:00,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:00:00,317 INFO L225 Difference]: With dead ends: 154 [2022-12-14 16:00:00,317 INFO L226 Difference]: Without dead ends: 95 [2022-12-14 16:00:00,317 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 16:00:00,318 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 16:00:00,318 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 16:00:00,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-12-14 16:00:00,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-12-14 16:00:00,322 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 16:00:00,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2022-12-14 16:00:00,322 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 109 [2022-12-14 16:00:00,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:00:00,322 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2022-12-14 16:00:00,322 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 16:00:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2022-12-14 16:00:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 16:00:00,323 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:00:00,323 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 16:00:00,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 16:00:00,323 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:00:00,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:00:00,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1760230821, now seen corresponding path program 1 times [2022-12-14 16:00:00,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:00:00,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575941076] [2022-12-14 16:00:00,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:00:00,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:00:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:00:00,642 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 16:00:00,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:00:00,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575941076] [2022-12-14 16:00:00,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575941076] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:00:00,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:00:00,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:00:00,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087159345] [2022-12-14 16:00:00,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:00:00,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:00:00,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:00:00,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:00:00,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:00:00,644 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 16:00:00,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:00:00,867 INFO L93 Difference]: Finished difference Result 180 states and 203 transitions. [2022-12-14 16:00:00,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:00:00,867 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 16:00:00,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:00:00,868 INFO L225 Difference]: With dead ends: 180 [2022-12-14 16:00:00,868 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 16:00:00,869 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 16:00:00,869 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 16:00:00,869 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 16:00:00,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 16:00:00,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-12-14 16:00:00,875 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 16:00:00,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2022-12-14 16:00:00,876 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 113 [2022-12-14 16:00:00,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:00:00,876 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2022-12-14 16:00:00,876 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 16:00:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2022-12-14 16:00:00,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-14 16:00:00,877 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:00:00,878 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 16:00:00,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 16:00:00,878 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:00:00,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:00:00,878 INFO L85 PathProgramCache]: Analyzing trace with hash 707247168, now seen corresponding path program 1 times [2022-12-14 16:00:00,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:00:00,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866163656] [2022-12-14 16:00:00,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:00:00,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:00:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:00:01,259 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 16:00:01,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:00:01,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866163656] [2022-12-14 16:00:01,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866163656] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:00:01,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685721679] [2022-12-14 16:00:01,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:00:01,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:00:01,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:00:01,261 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:00:01,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e906d871-d1ba-4770-877c-a81447ef3610/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 16:00:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:00:01,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 2310 conjuncts, 108 conjunts are in the unsatisfiable core [2022-12-14 16:00:01,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:00:01,815 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 16:00:01,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:00:01,845 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 22 treesize of output 21 [2022-12-14 16:00:01,875 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_603 Int) (aws_atomic_init_ptr_~var.offset Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base| (store (select |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base|) aws_atomic_init_ptr_~var.offset v_ArrVal_603))) (<= |c_aws_atomic_init_ptr_#in~var.offset| aws_atomic_init_ptr_~var.offset))) is different from true [2022-12-14 16:00:01,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:00:01,891 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 22 treesize of output 21 [2022-12-14 16:00:01,913 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_605 Int) (aws_atomic_init_ptr_~var.offset Int)) (and (<= |c_aws_atomic_init_ptr_#in~var.offset| aws_atomic_init_ptr_~var.offset) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base| (store (select |c_old(#memory_$Pointer$.base)| |c_aws_atomic_init_ptr_#in~var.base|) aws_atomic_init_ptr_~var.offset v_ArrVal_605))))) is different from true [2022-12-14 16:00:01,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:00:01,925 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 22 treesize of output 21 [2022-12-14 16:00:01,934 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 30 treesize of output 23 [2022-12-14 16:00:02,908 INFO L321 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2022-12-14 16:00:02,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 47 [2022-12-14 16:00:02,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-12-14 16:00:02,964 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 52 trivial. 1 not checked. [2022-12-14 16:00:02,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:00:04,015 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 23 treesize of output 13 [2022-12-14 16:00:04,539 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 28 treesize of output 18 [2022-12-14 16:00:04,722 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 72 treesize of output 62 [2022-12-14 16:00:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 16:00:05,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685721679] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:00:05,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [166360723] [2022-12-14 16:00:05,639 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2022-12-14 16:00:05,639 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:00:05,641 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:00:05,645 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:00:05,645 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:00:08,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:00:08,222 INFO L217 Elim1Store]: Index analysis took 270 ms [2022-12-14 16:00:25,197 WARN L233 SmtUtils]: Spent 16.93s 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 16:00:25,200 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-12-14 16:00:25,203 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 16:00:28,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:00:28,081 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 16:03:04,832 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 16:03:04,834 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 16:03:04,837 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 16:03:04,840 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 16:03:04,849 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 16:03:04,871 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 16:03:04,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-12-14 16:03:04,891 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 16:03:04,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-12-14 16:03:04,909 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 16:03:04,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 16:03:04,930 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 16:03:04,933 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 16:03:04,937 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 16:03:04,942 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 16:03:09,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:09,154 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 16:03:10,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:10,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:10,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:10,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:10,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:10,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:10,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:10,150 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 16:03:11,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:11,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:11,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:11,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:11,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:11,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:11,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:11,242 INFO L217 Elim1Store]: Index analysis took 102 ms [2022-12-14 16:03:11,263 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 16:03:23,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:23,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:23,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:23,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:23,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:23,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:23,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:23,450 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 16:03:24,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,307 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 16:03:24,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:24,915 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 16:03:33,541 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 16:03:33,545 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 16:03:35,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:35,129 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 16:03:35,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:35,552 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 16:03:40,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:40,795 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 16:03:41,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:41,284 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 16:03:42,179 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 16:03:42,220 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 16:03:42,303 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 16:03:42,374 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 16:03:42,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:42,866 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 16:03:42,989 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 16:03:43,066 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 16:03:43,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:43,115 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 16:03:44,046 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 16:03:44,049 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 16:03:44,052 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 16:03:44,055 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 16:03:44,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:44,475 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 16:03:44,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:44,526 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 16:03:45,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:45,538 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 16:03:45,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:03:45,699 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 26 treesize of output 10 [2022-12-14 16:03:47,219 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 16:03:47,314 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 16:03:48,295 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 16:03:48,363 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 16:03:50,657 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 16:03:50,774 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 16:03:51,142 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 16:03:52,386 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 16:05:34,594 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 57 for LOIs [2022-12-14 16:05:34,620 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_init_ptr with input of size 781 for LOIs [2022-12-14 16:05:38,589 INFO L197 IcfgInterpreter]: Interpreting procedure aws_ring_buffer_is_valid with input of size 777 for LOIs [2022-12-14 16:06:25,354 INFO L197 IcfgInterpreter]: Interpreting procedure aws_ring_buffer_check_atomic_ptr with input of size 84 for LOIs [2022-12-14 16:06:25,418 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mem_acquire with input of size 1470 for LOIs [2022-12-14 16:07:30,967 INFO L197 IcfgInterpreter]: Interpreting procedure aws_allocator_is_valid with input of size 1451 for LOIs [2022-12-14 16:07:47,455 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 3261 for LOIs [2022-12-14 16:08:01,492 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 2848 for LOIs [2022-12-14 16:09:36,316 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 16:09:36,324 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 16:09:36,332 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 16:09:36,340 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 16:09:36,350 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_load_ptr with input of size 50 for LOIs [2022-12-14 16:09:36,396 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_priv_xlate_order with input of size 46 for LOIs [2022-12-14 16:09:36,425 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 1469 for LOIs [2022-12-14 16:10:09,484 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 1447 for LOIs [2022-12-14 16:10:11,391 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 1469 for LOIs [2022-12-14 16:10:28,294 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 45 for LOIs [2022-12-14 16:10:28,297 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:11:36,142 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 16:12:59,865 WARN L233 SmtUtils]: Spent 1.26m on a formula simplification. DAG size of input: 3261 DAG size of output: 1431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:13:28,100 WARN L233 SmtUtils]: Spent 19.56s 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)