./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P --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 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:41:25,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:41:25,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:41:26,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:41:26,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:41:26,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:41:26,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:41:26,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:41:26,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:41:26,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:41:26,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:41:26,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:41:26,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:41:26,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:41:26,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:41:26,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:41:26,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:41:26,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:41:26,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:41:26,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:41:26,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:41:26,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:41:26,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:41:26,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:41:26,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:41:26,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:41:26,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:41:26,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:41:26,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:41:26,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:41:26,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:41:26,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:41:26,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:41:26,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:41:26,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:41:26,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:41:26,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:41:26,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:41:26,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:41:26,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:41:26,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:41:26,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:41:26,119 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:41:26,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:41:26,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:41:26,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:41:26,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:41:26,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:41:26,123 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:41:26,123 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:41:26,123 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:41:26,123 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:41:26,124 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:41:26,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:41:26,125 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:41:26,125 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:41:26,125 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:41:26,126 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:41:26,126 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:41:26,126 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:41:26,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:41:26,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:41:26,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:41:26,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:41:26,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:41:26,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:41:26,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:41:26,129 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:41:26,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:41:26,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:41:26,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:41:26,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:41:26,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:41:26,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:41:26,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:41:26,133 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:41:26,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:41:26,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:41:26,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:41:26,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:41:26,134 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80528f4a8c519f417b5556e2d2458b4054f2fa1ae1a14cd2db000a7ac77b495e [2021-11-21 01:41:26,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:41:26,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:41:26,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:41:26,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:41:26,475 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:41:26,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2021-11-21 01:41:26,560 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/data/0e8d0ba7d/54e19f6d091542ceb2501ff520e3eec0/FLAG96c7b6925 [2021-11-21 01:41:27,524 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:41:27,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i [2021-11-21 01:41:27,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/data/0e8d0ba7d/54e19f6d091542ceb2501ff520e3eec0/FLAG96c7b6925 [2021-11-21 01:41:27,964 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/data/0e8d0ba7d/54e19f6d091542ceb2501ff520e3eec0 [2021-11-21 01:41:27,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:41:27,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:41:27,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:41:27,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:41:27,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:41:27,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:41:27" (1/1) ... [2021-11-21 01:41:27,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16217c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:27, skipping insertion in model container [2021-11-21 01:41:27,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:41:27" (1/1) ... [2021-11-21 01:41:27,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:41:28,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:41:28,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-11-21 01:41:28,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-11-21 01:41:29,615 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:29,616 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:29,617 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:29,617 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:29,619 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:29,632 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:29,632 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:29,634 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:29,635 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:30,066 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 01:41:30,068 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 01:41:30,069 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 01:41:30,070 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 01:41:30,072 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 01:41:30,073 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 01:41:30,073 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 01:41:30,074 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 01:41:30,075 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 01:41:30,076 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 01:41:30,290 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 01:41:30,454 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:30,455 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:30,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:41:30,722 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:41:30,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4497,4510] [2021-11-21 01:41:30,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/sv-benchmarks/c/aws-c-common/aws_ring_buffer_release_harness.i[4557,4570] [2021-11-21 01:41:30,810 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:30,810 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:30,811 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:30,811 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:30,812 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:30,821 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:30,821 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:30,822 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:30,823 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:30,872 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 01:41:30,873 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 01:41:30,874 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 01:41:30,881 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 01:41:30,883 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 01:41:30,884 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 01:41:30,884 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 01:41:30,885 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 01:41:30,885 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 01:41:30,886 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 01:41:30,922 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 01:41:31,028 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:31,029 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:41:31,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:41:31,422 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:41:31,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:31 WrapperNode [2021-11-21 01:41:31,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:41:31,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:41:31,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:41:31,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:41:31,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:31" (1/1) ... [2021-11-21 01:41:31,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:31" (1/1) ... [2021-11-21 01:41:31,702 INFO L137 Inliner]: procedures = 695, calls = 2942, calls flagged for inlining = 60, calls inlined = 9, statements flattened = 1014 [2021-11-21 01:41:31,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:41:31,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:41:31,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:41:31,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:41:31,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:31" (1/1) ... [2021-11-21 01:41:31,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:31" (1/1) ... [2021-11-21 01:41:31,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:31" (1/1) ... [2021-11-21 01:41:31,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:31" (1/1) ... [2021-11-21 01:41:31,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:31" (1/1) ... [2021-11-21 01:41:31,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:31" (1/1) ... [2021-11-21 01:41:31,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:31" (1/1) ... [2021-11-21 01:41:31,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:41:31,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:41:31,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:41:31,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:41:31,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:31" (1/1) ... [2021-11-21 01:41:31,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:41:31,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:41:31,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:41:31,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:41:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-11-21 01:41:31,940 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-11-21 01:41:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2021-11-21 01:41:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2021-11-21 01:41:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:41:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-21 01:41:31,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-21 01:41:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2021-11-21 01:41:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2021-11-21 01:41:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-11-21 01:41:31,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-11-21 01:41:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:41:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure is_empty_state [2021-11-21 01:41:31,944 INFO L138 BoogieDeclarations]: Found implementation of procedure is_empty_state [2021-11-21 01:41:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:41:31,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:41:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:41:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:41:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:41:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2021-11-21 01:41:31,946 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2021-11-21 01:41:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:41:31,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:41:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-21 01:41:31,947 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-21 01:41:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2021-11-21 01:41:31,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2021-11-21 01:41:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:41:31,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:41:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 01:41:31,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 01:41:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:41:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:41:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:41:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2021-11-21 01:41:31,949 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2021-11-21 01:41:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-21 01:41:31,949 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-21 01:41:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2021-11-21 01:41:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2021-11-21 01:41:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2021-11-21 01:41:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2021-11-21 01:41:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-21 01:41:31,950 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-21 01:41:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2021-11-21 01:41:31,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2021-11-21 01:41:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2021-11-21 01:41:31,952 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2021-11-21 01:41:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2021-11-21 01:41:31,953 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2021-11-21 01:41:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2021-11-21 01:41:31,954 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2021-11-21 01:41:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:41:32,367 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:41:32,369 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:41:33,908 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:41:34,201 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:41:34,201 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 01:41:34,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:41:34 BoogieIcfgContainer [2021-11-21 01:41:34,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:41:34,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:41:34,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:41:34,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:41:34,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:41:27" (1/3) ... [2021-11-21 01:41:34,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b55cab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:41:34, skipping insertion in model container [2021-11-21 01:41:34,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:31" (2/3) ... [2021-11-21 01:41:34,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b55cab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:41:34, skipping insertion in model container [2021-11-21 01:41:34,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:41:34" (3/3) ... [2021-11-21 01:41:34,217 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_release_harness.i [2021-11-21 01:41:34,223 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:41:34,223 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-21 01:41:34,285 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:41:34,298 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:41:34,298 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-21 01:41:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 238 states, 129 states have (on average 1.1705426356589148) internal successors, (151), 131 states have internal predecessors, (151), 87 states have call successors, (87), 20 states have call predecessors, (87), 20 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-21 01:41:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 01:41:34,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:41:34,340 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:41:34,340 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:41:34,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:41:34,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1847968503, now seen corresponding path program 1 times [2021-11-21 01:41:34,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:41:34,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686922126] [2021-11-21 01:41:34,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:34,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:41:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:35,075 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 01:41:35,076 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:41:35,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686922126] [2021-11-21 01:41:35,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686922126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:41:35,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:41:35,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-21 01:41:35,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886605528] [2021-11-21 01:41:35,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:41:35,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:41:35,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:41:35,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:41:35,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:41:35,123 INFO L87 Difference]: Start difference. First operand has 238 states, 129 states have (on average 1.1705426356589148) internal successors, (151), 131 states have internal predecessors, (151), 87 states have call successors, (87), 20 states have call predecessors, (87), 20 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-21 01:41:36,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:41:36,295 INFO L93 Difference]: Finished difference Result 470 states and 701 transitions. [2021-11-21 01:41:36,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:41:36,298 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 41 [2021-11-21 01:41:36,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:41:36,311 INFO L225 Difference]: With dead ends: 470 [2021-11-21 01:41:36,311 INFO L226 Difference]: Without dead ends: 247 [2021-11-21 01:41:36,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:41:36,321 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 26 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 1711 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:41:36,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 1711 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 01:41:36,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-11-21 01:41:36,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2021-11-21 01:41:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 135 states have (on average 1.162962962962963) internal successors, (157), 138 states have internal predecessors, (157), 88 states have call successors, (88), 22 states have call predecessors, (88), 22 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-21 01:41:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 332 transitions. [2021-11-21 01:41:36,395 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 332 transitions. Word has length 41 [2021-11-21 01:41:36,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:41:36,397 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 332 transitions. [2021-11-21 01:41:36,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-11-21 01:41:36,398 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 332 transitions. [2021-11-21 01:41:36,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 01:41:36,401 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:41:36,401 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:41:36,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:41:36,402 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:41:36,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:41:36,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1348694032, now seen corresponding path program 1 times [2021-11-21 01:41:36,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:41:36,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955572275] [2021-11-21 01:41:36,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:36,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:41:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:36,716 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 01:41:36,716 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:41:36,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955572275] [2021-11-21 01:41:36,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955572275] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:41:36,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270295750] [2021-11-21 01:41:36,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:36,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:36,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:41:36,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:41:36,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:41:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:37,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 01:41:37,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:41:37,580 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 01:41:37,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:41:37,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270295750] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:41:37,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:41:37,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2021-11-21 01:41:37,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162945397] [2021-11-21 01:41:37,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:41:37,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:41:37,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:41:37,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:41:37,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-11-21 01:41:37,585 INFO L87 Difference]: Start difference. First operand 247 states and 332 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-21 01:41:38,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:41:38,784 INFO L93 Difference]: Finished difference Result 258 states and 346 transitions. [2021-11-21 01:41:38,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:41:38,784 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 69 [2021-11-21 01:41:38,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:41:38,788 INFO L225 Difference]: With dead ends: 258 [2021-11-21 01:41:38,788 INFO L226 Difference]: Without dead ends: 255 [2021-11-21 01:41:38,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:41:38,790 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 24 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1733 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:41:38,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 1733 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 01:41:38,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-11-21 01:41:38,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2021-11-21 01:41:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 142 states have (on average 1.1830985915492958) internal successors, (168), 145 states have internal predecessors, (168), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-21 01:41:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 343 transitions. [2021-11-21 01:41:38,839 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 343 transitions. Word has length 69 [2021-11-21 01:41:38,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:41:38,840 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 343 transitions. [2021-11-21 01:41:38,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-21 01:41:38,840 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 343 transitions. [2021-11-21 01:41:38,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-21 01:41:38,853 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:41:38,854 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2021-11-21 01:41:38,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:41:39,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:39,071 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:41:39,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:41:39,072 INFO L85 PathProgramCache]: Analyzing trace with hash 184417510, now seen corresponding path program 1 times [2021-11-21 01:41:39,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:41:39,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719178265] [2021-11-21 01:41:39,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:39,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:41:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-11-21 01:41:39,624 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:41:39,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719178265] [2021-11-21 01:41:39,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719178265] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:41:39,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897851002] [2021-11-21 01:41:39,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:39,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:39,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:41:39,635 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:41:39,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:41:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:40,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 2993 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 01:41:40,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:41:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2021-11-21 01:41:40,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:41:40,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897851002] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:41:40,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:41:40,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2021-11-21 01:41:40,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135752461] [2021-11-21 01:41:40,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:41:40,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:41:40,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:41:40,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:41:40,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:41:40,754 INFO L87 Difference]: Start difference. First operand 255 states and 343 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, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:41:41,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:41:41,318 INFO L93 Difference]: Finished difference Result 503 states and 674 transitions. [2021-11-21 01:41:41,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:41:41,319 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, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 171 [2021-11-21 01:41:41,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:41:41,323 INFO L225 Difference]: With dead ends: 503 [2021-11-21 01:41:41,323 INFO L226 Difference]: Without dead ends: 257 [2021-11-21 01:41:41,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:41:41,326 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 4 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:41:41,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 1134 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 01:41:41,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-11-21 01:41:41,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2021-11-21 01:41:41,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 142 states have (on average 1.1690140845070423) internal successors, (166), 145 states have internal predecessors, (166), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-21 01:41:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 341 transitions. [2021-11-21 01:41:41,348 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 341 transitions. Word has length 171 [2021-11-21 01:41:41,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:41:41,349 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 341 transitions. [2021-11-21 01:41:41,350 INFO L471 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, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:41:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 341 transitions. [2021-11-21 01:41:41,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-21 01:41:41,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:41:41,357 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2021-11-21 01:41:41,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:41:41,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:41,583 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:41:41,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:41:41,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1926569548, now seen corresponding path program 1 times [2021-11-21 01:41:41,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:41:41,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853877719] [2021-11-21 01:41:41,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:41,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:41:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-11-21 01:41:41,987 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:41:41,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853877719] [2021-11-21 01:41:41,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853877719] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:41:41,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948075943] [2021-11-21 01:41:41,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:41,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:41,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:41:41,989 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:41:42,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:41:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:42,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 2997 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 01:41:42,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:41:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-11-21 01:41:42,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:41:42,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948075943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:41:42,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:41:42,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2021-11-21 01:41:42,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971294591] [2021-11-21 01:41:42,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:41:42,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:41:42,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:41:42,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:41:42,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-11-21 01:41:42,970 INFO L87 Difference]: Start difference. First operand 255 states and 341 transitions. Second operand has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:41:44,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:41:44,291 INFO L93 Difference]: Finished difference Result 477 states and 670 transitions. [2021-11-21 01:41:44,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:41:44,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 173 [2021-11-21 01:41:44,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:41:44,295 INFO L225 Difference]: With dead ends: 477 [2021-11-21 01:41:44,295 INFO L226 Difference]: Without dead ends: 255 [2021-11-21 01:41:44,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-21 01:41:44,297 INFO L933 BasicCegarLoop]: 291 mSDtfsCounter, 4 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:41:44,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 1434 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 01:41:44,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-11-21 01:41:44,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2021-11-21 01:41:44,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 142 states have (on average 1.1619718309859155) internal successors, (165), 145 states have internal predecessors, (165), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-21 01:41:44,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 340 transitions. [2021-11-21 01:41:44,331 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 340 transitions. Word has length 173 [2021-11-21 01:41:44,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:41:44,331 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 340 transitions. [2021-11-21 01:41:44,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.0) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:41:44,332 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 340 transitions. [2021-11-21 01:41:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-21 01:41:44,334 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:41:44,334 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2021-11-21 01:41:44,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:41:44,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:44,563 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:41:44,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:41:44,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2050763948, now seen corresponding path program 1 times [2021-11-21 01:41:44,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:41:44,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241368566] [2021-11-21 01:41:44,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:44,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:41:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-11-21 01:41:44,928 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:41:44,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241368566] [2021-11-21 01:41:44,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241368566] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:41:44,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716802280] [2021-11-21 01:41:44,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:44,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:44,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:41:44,931 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:41:44,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:41:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:45,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 3009 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:41:45,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:41:45,937 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-11-21 01:41:45,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:41:45,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716802280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:41:45,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:41:45,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2021-11-21 01:41:45,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482683085] [2021-11-21 01:41:45,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:41:45,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:41:45,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:41:45,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:41:45,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:41:45,939 INFO L87 Difference]: Start difference. First operand 255 states and 340 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:41:47,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:41:47,115 INFO L93 Difference]: Finished difference Result 503 states and 668 transitions. [2021-11-21 01:41:47,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:41:47,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 179 [2021-11-21 01:41:47,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:41:47,118 INFO L225 Difference]: With dead ends: 503 [2021-11-21 01:41:47,118 INFO L226 Difference]: Without dead ends: 257 [2021-11-21 01:41:47,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:41:47,121 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 15 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:41:47,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 1396 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 01:41:47,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-11-21 01:41:47,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2021-11-21 01:41:47,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 142 states have (on average 1.147887323943662) internal successors, (163), 145 states have internal predecessors, (163), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-21 01:41:47,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 338 transitions. [2021-11-21 01:41:47,137 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 338 transitions. Word has length 179 [2021-11-21 01:41:47,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:41:47,138 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 338 transitions. [2021-11-21 01:41:47,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:41:47,138 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 338 transitions. [2021-11-21 01:41:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-21 01:41:47,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:41:47,141 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2021-11-21 01:41:47,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:41:47,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:47,363 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:41:47,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:41:47,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1158361306, now seen corresponding path program 1 times [2021-11-21 01:41:47,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:41:47,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015804555] [2021-11-21 01:41:47,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:47,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:41:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-11-21 01:41:47,646 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:41:47,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015804555] [2021-11-21 01:41:47,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015804555] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:41:47,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409098254] [2021-11-21 01:41:47,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:47,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:47,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:41:47,651 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:41:47,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:41:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:48,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 3013 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:41:48,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:41:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-11-21 01:41:48,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:41:48,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409098254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:41:48,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:41:48,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2021-11-21 01:41:48,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796792866] [2021-11-21 01:41:48,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:41:48,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:41:48,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:41:48,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:41:48,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:41:48,660 INFO L87 Difference]: Start difference. First operand 255 states and 338 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:41:50,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:41:50,393 INFO L93 Difference]: Finished difference Result 501 states and 662 transitions. [2021-11-21 01:41:50,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:41:50,393 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 181 [2021-11-21 01:41:50,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:41:50,396 INFO L225 Difference]: With dead ends: 501 [2021-11-21 01:41:50,396 INFO L226 Difference]: Without dead ends: 259 [2021-11-21 01:41:50,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:41:50,398 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 16 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:41:50,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 1396 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 01:41:50,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-11-21 01:41:50,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 255. [2021-11-21 01:41:50,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 142 states have (on average 1.1408450704225352) internal successors, (162), 145 states have internal predecessors, (162), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-21 01:41:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 337 transitions. [2021-11-21 01:41:50,414 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 337 transitions. Word has length 181 [2021-11-21 01:41:50,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:41:50,415 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 337 transitions. [2021-11-21 01:41:50,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:41:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 337 transitions. [2021-11-21 01:41:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-21 01:41:50,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:41:50,418 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2021-11-21 01:41:50,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:41:50,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:50,635 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:41:50,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:41:50,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1420933524, now seen corresponding path program 1 times [2021-11-21 01:41:50,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:41:50,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637832665] [2021-11-21 01:41:50,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:50,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:41:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:50,967 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-11-21 01:41:50,967 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:41:50,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637832665] [2021-11-21 01:41:50,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637832665] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:41:50,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45082199] [2021-11-21 01:41:50,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:50,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:50,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:41:50,970 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:41:50,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:41:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:51,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 3017 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:41:51,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:41:52,013 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-11-21 01:41:52,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:41:52,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45082199] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:41:52,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:41:52,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2021-11-21 01:41:52,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843024875] [2021-11-21 01:41:52,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:41:52,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:41:52,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:41:52,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:41:52,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:41:52,017 INFO L87 Difference]: Start difference. First operand 255 states and 337 transitions. Second operand has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:41:55,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:41:55,177 INFO L93 Difference]: Finished difference Result 501 states and 660 transitions. [2021-11-21 01:41:55,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:41:55,178 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 183 [2021-11-21 01:41:55,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:41:55,181 INFO L225 Difference]: With dead ends: 501 [2021-11-21 01:41:55,181 INFO L226 Difference]: Without dead ends: 259 [2021-11-21 01:41:55,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:41:55,183 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 16 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:41:55,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 1393 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-21 01:41:55,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-11-21 01:41:55,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 255. [2021-11-21 01:41:55,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 142 states have (on average 1.1338028169014085) internal successors, (161), 145 states have internal predecessors, (161), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-21 01:41:55,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 336 transitions. [2021-11-21 01:41:55,199 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 336 transitions. Word has length 183 [2021-11-21 01:41:55,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:41:55,200 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 336 transitions. [2021-11-21 01:41:55,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:41:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 336 transitions. [2021-11-21 01:41:55,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 01:41:55,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:41:55,204 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:41:55,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 01:41:55,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:55,419 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:41:55,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:41:55,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1413852690, now seen corresponding path program 1 times [2021-11-21 01:41:55,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:41:55,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366327092] [2021-11-21 01:41:55,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:55,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:41:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 8 proven. 45 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2021-11-21 01:41:55,737 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:41:55,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366327092] [2021-11-21 01:41:55,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366327092] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:41:55,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899075366] [2021-11-21 01:41:55,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:55,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:55,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:41:55,739 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:41:55,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 01:41:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:56,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 3021 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:41:56,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:41:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-11-21 01:41:56,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:41:56,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899075366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:41:56,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:41:56,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2021-11-21 01:41:56,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544782901] [2021-11-21 01:41:56,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:41:56,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:41:56,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:41:56,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:41:56,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:41:56,758 INFO L87 Difference]: Start difference. First operand 255 states and 336 transitions. Second operand has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:41:59,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:41:59,070 INFO L93 Difference]: Finished difference Result 477 states and 663 transitions. [2021-11-21 01:41:59,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:41:59,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 185 [2021-11-21 01:41:59,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:41:59,074 INFO L225 Difference]: With dead ends: 477 [2021-11-21 01:41:59,074 INFO L226 Difference]: Without dead ends: 255 [2021-11-21 01:41:59,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:41:59,076 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 14 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:41:59,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 1406 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:41:59,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2021-11-21 01:41:59,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2021-11-21 01:41:59,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 142 states have (on average 1.1267605633802817) internal successors, (160), 145 states have internal predecessors, (160), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-21 01:41:59,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 335 transitions. [2021-11-21 01:41:59,091 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 335 transitions. Word has length 185 [2021-11-21 01:41:59,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:41:59,092 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 335 transitions. [2021-11-21 01:41:59,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:41:59,093 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 335 transitions. [2021-11-21 01:41:59,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-21 01:41:59,096 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:41:59,096 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2021-11-21 01:41:59,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-21 01:41:59,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-21 01:41:59,313 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:41:59,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:41:59,313 INFO L85 PathProgramCache]: Analyzing trace with hash -233104242, now seen corresponding path program 1 times [2021-11-21 01:41:59,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:41:59,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316613077] [2021-11-21 01:41:59,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:59,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:41:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:41:59,614 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2021-11-21 01:41:59,615 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:41:59,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316613077] [2021-11-21 01:41:59,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316613077] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:41:59,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366499436] [2021-11-21 01:41:59,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:41:59,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:41:59,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:41:59,617 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:41:59,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-21 01:42:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:42:00,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 3033 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:42:00,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:42:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-21 01:42:00,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:42:00,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366499436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:42:00,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:42:00,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2021-11-21 01:42:00,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520895232] [2021-11-21 01:42:00,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:42:00,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:42:00,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:42:00,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:42:00,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:42:00,520 INFO L87 Difference]: Start difference. First operand 255 states and 335 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:42:01,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:42:01,793 INFO L93 Difference]: Finished difference Result 479 states and 663 transitions. [2021-11-21 01:42:01,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:42:01,794 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 191 [2021-11-21 01:42:01,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:42:01,796 INFO L225 Difference]: With dead ends: 479 [2021-11-21 01:42:01,796 INFO L226 Difference]: Without dead ends: 257 [2021-11-21 01:42:01,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:42:01,799 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 12 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:42:01,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 1403 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 01:42:01,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-11-21 01:42:01,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2021-11-21 01:42:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 142 states have (on average 1.119718309859155) internal successors, (159), 145 states have internal predecessors, (159), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-21 01:42:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 334 transitions. [2021-11-21 01:42:01,815 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 334 transitions. Word has length 191 [2021-11-21 01:42:01,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:42:01,815 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 334 transitions. [2021-11-21 01:42:01,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:42:01,816 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 334 transitions. [2021-11-21 01:42:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-21 01:42:01,818 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:42:01,818 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2021-11-21 01:42:01,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-21 01:42:02,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:42:02,039 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:42:02,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:42:02,039 INFO L85 PathProgramCache]: Analyzing trace with hash -2059611538, now seen corresponding path program 1 times [2021-11-21 01:42:02,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:42:02,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127260858] [2021-11-21 01:42:02,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:42:02,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:42:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:42:02,345 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 12 proven. 55 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-11-21 01:42:02,345 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:42:02,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127260858] [2021-11-21 01:42:02,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127260858] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:42:02,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092855846] [2021-11-21 01:42:02,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:42:02,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:42:02,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:42:02,348 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:42:02,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-21 01:42:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:42:02,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 3045 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:42:02,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:42:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-21 01:42:03,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:42:03,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092855846] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:42:03,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:42:03,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2021-11-21 01:42:03,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462040031] [2021-11-21 01:42:03,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:42:03,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:42:03,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:42:03,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:42:03,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:42:03,265 INFO L87 Difference]: Start difference. First operand 255 states and 334 transitions. Second operand has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:42:04,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:42:04,037 INFO L93 Difference]: Finished difference Result 479 states and 661 transitions. [2021-11-21 01:42:04,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:42:04,038 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 197 [2021-11-21 01:42:04,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:42:04,041 INFO L225 Difference]: With dead ends: 479 [2021-11-21 01:42:04,041 INFO L226 Difference]: Without dead ends: 257 [2021-11-21 01:42:04,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:42:04,044 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 12 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:42:04,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 1400 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-21 01:42:04,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-11-21 01:42:04,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 255. [2021-11-21 01:42:04,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 142 states have (on average 1.1126760563380282) internal successors, (158), 145 states have internal predecessors, (158), 88 states have call successors, (88), 23 states have call predecessors, (88), 23 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-21 01:42:04,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 333 transitions. [2021-11-21 01:42:04,059 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 333 transitions. Word has length 197 [2021-11-21 01:42:04,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:42:04,060 INFO L470 AbstractCegarLoop]: Abstraction has 255 states and 333 transitions. [2021-11-21 01:42:04,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-21 01:42:04,060 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 333 transitions. [2021-11-21 01:42:04,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-21 01:42:04,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:42:04,063 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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] [2021-11-21 01:42:04,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-21 01:42:04,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-21 01:42:04,287 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:42:04,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:42:04,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1947712166, now seen corresponding path program 1 times [2021-11-21 01:42:04,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:42:04,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804108527] [2021-11-21 01:42:04,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:42:04,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:42:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:42:05,640 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2021-11-21 01:42:05,641 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:42:05,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804108527] [2021-11-21 01:42:05,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804108527] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:42:05,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581664942] [2021-11-21 01:42:05,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:42:05,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:42:05,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:42:05,643 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:42:05,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-21 01:42:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:42:06,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 3057 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-21 01:42:06,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:42:06,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-21 01:42:07,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2021-11-21 01:42:09,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 67 [2021-11-21 01:42:09,196 INFO L354 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2021-11-21 01:42:09,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 10 case distinctions, treesize of input 67 treesize of output 43 [2021-11-21 01:42:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 245 proven. 6 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-21 01:42:09,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:42:11,035 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-21 01:42:11,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 218 treesize of output 208 [2021-11-21 01:42:12,090 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-21 01:42:12,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 110 treesize of output 100 [2021-11-21 01:42:12,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:42:12,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 102 treesize of output 92 [2021-11-21 01:42:17,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 94 [2021-11-21 01:42:17,641 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2021-11-21 01:42:17,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581664942] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:42:17,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1162353033] [2021-11-21 01:42:17,670 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2021-11-21 01:42:17,670 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:42:17,675 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:42:17,680 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:42:17,681 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:42:41,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:42:41,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:42:42,546 INFO L244 Elim1Store]: Index analysis took 744 ms [2021-11-21 01:43:25,099 WARN L227 SmtUtils]: Spent 42.45s on a formula simplification. DAG size of input: 2572 DAG size of output: 1380 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:43:25,106 INFO L354 Elim1Store]: treesize reduction 4562, result has 34.0 percent of original size [2021-11-21 01:43:25,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19507 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 198 case distinctions, treesize of input 1000 treesize of output 2957 [2021-11-21 01:44:46,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:46,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:48,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:48,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:49,107 INFO L244 Elim1Store]: Index analysis took 2904 ms [2021-11-21 01:46:33,507 WARN L227 SmtUtils]: Spent 1.74m on a formula simplification. DAG size of input: 3167 DAG size of output: 1583 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:46:33,513 INFO L354 Elim1Store]: treesize reduction 7508, result has 25.5 percent of original size [2021-11-21 01:46:33,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 201 select indices, 201 select index equivalence classes, 19705 disjoint index pairs (out of 20100 index pairs), introduced 201 new quantified variables, introduced 594 case distinctions, treesize of input 1019 treesize of output 3189 [2021-11-21 01:47:18,582 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 198 [2021-11-21 01:47:18,868 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 198 [2021-11-21 01:47:19,530 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 198 [2021-11-21 01:47:20,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:47:20,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:47:20,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:47:20,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:47:20,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-21 01:47:20,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-21 01:47:22,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:47:22,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 111 [2021-11-21 01:47:22,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:22,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 122 [2021-11-21 01:47:22,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:47:40,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:40,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:40,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:40,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 88 [2021-11-21 01:47:40,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:40,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:40,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:40,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 37 [2021-11-21 01:47:40,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:40,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:40,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:40,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 53 [2021-11-21 01:47:41,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:47:41,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:41,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:41,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:41,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 81 treesize of output 53 [2021-11-21 01:47:41,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:48:33,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:48:34,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:48:34,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:48:34,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:48:50,461 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 198 [2021-11-21 01:48:51,029 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 198 [2021-11-21 01:48:51,208 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 127 for LOIs [2021-11-21 01:48:51,623 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_store_ptr with input of size 149 for LOIs [2021-11-21 01:48:59,730 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_store_ptr_explicit with input of size 152 for LOIs [2021-11-21 01:49:16,925 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 64 for LOIs [2021-11-21 01:49:17,121 INFO L197 IcfgInterpreter]: Interpreting procedure aws_ring_buffer_is_valid with input of size 110 for LOIs [2021-11-21 01:49:35,735 INFO L197 IcfgInterpreter]: Interpreting procedure aws_ring_buffer_check_atomic_ptr with input of size 123 for LOIs [2021-11-21 01:49:36,528 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 64 for LOIs [2021-11-21 01:49:36,842 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_byte_buf_has_allocated_buffer_member_in_range with input of size 101 for LOIs [2021-11-21 01:49:37,846 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 86 for LOIs [2021-11-21 01:49:39,208 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_load_ptr with input of size 118 for LOIs [2021-11-21 01:49:41,639 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_load_ptr_explicit with input of size 74 for LOIs [2021-11-21 01:49:43,440 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_priv_xlate_order with input of size 150 for LOIs [2021-11-21 01:49:45,793 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 85 for LOIs [2021-11-21 01:49:49,494 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2021-11-21 01:49:49,893 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:50:35,177 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 01:50:35,177 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:50:35,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 20] total 48 [2021-11-21 01:50:35,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305883154] [2021-11-21 01:50:35,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:50:35,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-21 01:50:35,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:50:35,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-21 01:50:35,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=609, Invalid=13193, Unknown=4, NotChecked=0, Total=13806 [2021-11-21 01:50:35,189 INFO L87 Difference]: Start difference. First operand 255 states and 333 transitions. Second operand has 48 states, 30 states have (on average 4.133333333333334) internal successors, (124), 34 states have internal predecessors, (124), 20 states have call successors, (68), 5 states have call predecessors, (68), 19 states have return successors, (69), 30 states have call predecessors, (69), 20 states have call successors, (69) [2021-11-21 01:50:37,233 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:50:40,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:50:40,363 INFO L93 Difference]: Finished difference Result 293 states and 367 transitions. [2021-11-21 01:50:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-21 01:50:40,364 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 30 states have (on average 4.133333333333334) internal successors, (124), 34 states have internal predecessors, (124), 20 states have call successors, (68), 5 states have call predecessors, (68), 19 states have return successors, (69), 30 states have call predecessors, (69), 20 states have call successors, (69) Word has length 203 [2021-11-21 01:50:40,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:50:40,365 INFO L225 Difference]: With dead ends: 293 [2021-11-21 01:50:40,366 INFO L226 Difference]: Without dead ends: 0 [2021-11-21 01:50:40,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 487 SyntacticMatches, 23 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5663 ImplicationChecksByTransitivity, 52.3s TimeCoverageRelationStatistics Valid=706, Invalid=15546, Unknown=4, NotChecked=0, Total=16256 [2021-11-21 01:50:40,375 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 21 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 345 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:50:40,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 1061 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 373 Invalid, 0 Unknown, 345 Unchecked, 4.5s Time] [2021-11-21 01:50:40,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-21 01:50:40,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-21 01:50:40,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:50:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-21 01:50:40,377 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2021-11-21 01:50:40,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:50:40,377 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-21 01:50:40,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 30 states have (on average 4.133333333333334) internal successors, (124), 34 states have internal predecessors, (124), 20 states have call successors, (68), 5 states have call predecessors, (68), 19 states have return successors, (69), 30 states have call predecessors, (69), 20 states have call successors, (69) [2021-11-21 01:50:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-21 01:50:40,379 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 01:50:40,381 INFO L764 garLoopResultBuilder]: Registering result SAFE for location aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-21 01:50:40,382 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-21 01:50:40,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-21 01:50:40,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:50:40,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-21 01:50:41,272 INFO L861 garLoopResultBuilder]: At program point bounded_mallocENTRY(lines 6882 6887) the Hoare annotation is: true [2021-11-21 01:50:41,273 INFO L858 garLoopResultBuilder]: For program point bounded_mallocEXIT(lines 6882 6887) no Hoare annotation was computed. [2021-11-21 01:50:41,273 INFO L858 garLoopResultBuilder]: For program point L6883-1(lines 6883 6885) no Hoare annotation was computed. [2021-11-21 01:50:41,273 INFO L861 garLoopResultBuilder]: At program point L6883(lines 6883 6885) the Hoare annotation is: true [2021-11-21 01:50:41,273 INFO L854 garLoopResultBuilder]: At program point L5793(line 5793) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_9| Int)) (let ((.cse1 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_9|))) (let ((.cse0 (select .cse1 8))) (or (= .cse0 0) (not (= (select .cse1 32) .cse0)))))) (not (= ~aws_memory_order~0~aws_memory_order_seq_cst |aws_atomic_load_ptr_explicit_#in~memory_order|)) (= ~aws_memory_order~0~aws_memory_order_seq_cst aws_atomic_load_ptr_explicit_~memory_order)) [2021-11-21 01:50:41,273 INFO L858 garLoopResultBuilder]: For program point L5793-1(line 5793) no Hoare annotation was computed. [2021-11-21 01:50:41,274 INFO L861 garLoopResultBuilder]: At program point aws_atomic_load_ptr_explicitENTRY(lines 5791 5794) the Hoare annotation is: true [2021-11-21 01:50:41,274 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptr_explicitEXIT(lines 5791 5794) no Hoare annotation was computed. [2021-11-21 01:50:41,274 INFO L858 garLoopResultBuilder]: For program point nondet_boolEXIT(line 261) no Hoare annotation was computed. [2021-11-21 01:50:41,274 INFO L861 garLoopResultBuilder]: At program point nondet_boolENTRY(line 261) the Hoare annotation is: true [2021-11-21 01:50:41,274 INFO L861 garLoopResultBuilder]: At program point s_buf_belongs_to_poolENTRY(lines 8794 8809) the Hoare annotation is: true [2021-11-21 01:50:41,275 INFO L858 garLoopResultBuilder]: For program point s_buf_belongs_to_poolEXIT(lines 8794 8809) no Hoare annotation was computed. [2021-11-21 01:50:41,275 INFO L861 garLoopResultBuilder]: At program point aws_ring_buffer_check_atomic_ptrENTRY(lines 6039 6045) the Hoare annotation is: true [2021-11-21 01:50:41,275 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_check_atomic_ptrEXIT(lines 6039 6045) no Hoare annotation was computed. [2021-11-21 01:50:41,275 INFO L861 garLoopResultBuilder]: At program point aws_atomic_store_ptrENTRY(lines 5638 5641) the Hoare annotation is: true [2021-11-21 01:50:41,275 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptrEXIT(lines 5638 5641) no Hoare annotation was computed. [2021-11-21 01:50:41,275 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptrFINAL(lines 5638 5641) no Hoare annotation was computed. [2021-11-21 01:50:41,275 INFO L861 garLoopResultBuilder]: At program point L5640(line 5640) the Hoare annotation is: true [2021-11-21 01:50:41,276 INFO L858 garLoopResultBuilder]: For program point nondet_uint64_tEXIT(line 266) no Hoare annotation was computed. [2021-11-21 01:50:41,276 INFO L861 garLoopResultBuilder]: At program point nondet_uint64_tENTRY(line 266) the Hoare annotation is: true [2021-11-21 01:50:41,276 INFO L854 garLoopResultBuilder]: At program point L5809(line 5809) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_3| Int)) (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_3|) 8) 0)) (not (<= |aws_atomic_store_ptr_explicit_#in~memory_order| ~aws_memory_order~0~aws_memory_order_seq_cst)) (not (<= ~aws_memory_order~0~aws_memory_order_seq_cst |aws_atomic_store_ptr_explicit_#in~memory_order|)) (and (<= aws_atomic_store_ptr_explicit_~memory_order ~aws_memory_order~0~aws_memory_order_seq_cst) (<= ~aws_memory_order~0~aws_memory_order_seq_cst aws_atomic_store_ptr_explicit_~memory_order))) [2021-11-21 01:50:41,276 INFO L858 garLoopResultBuilder]: For program point L5809-1(line 5809) no Hoare annotation was computed. [2021-11-21 01:50:41,276 INFO L861 garLoopResultBuilder]: At program point aws_atomic_store_ptr_explicitENTRY(lines 5807 5810) the Hoare annotation is: true [2021-11-21 01:50:41,276 INFO L858 garLoopResultBuilder]: For program point aws_atomic_store_ptr_explicitEXIT(lines 5807 5810) no Hoare annotation was computed. [2021-11-21 01:50:41,276 INFO L858 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2021-11-21 01:50:41,276 INFO L858 garLoopResultBuilder]: For program point L5746(lines 5746 5759) no Hoare annotation was computed. [2021-11-21 01:50:41,276 INFO L858 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderEXIT(lines 5745 5760) no Hoare annotation was computed. [2021-11-21 01:50:41,276 INFO L858 garLoopResultBuilder]: For program point aws_atomic_priv_xlate_orderFINAL(lines 5745 5760) no Hoare annotation was computed. [2021-11-21 01:50:41,277 INFO L861 garLoopResultBuilder]: At program point aws_atomic_priv_xlate_orderENTRY(lines 5745 5760) the Hoare annotation is: true [2021-11-21 01:50:41,277 INFO L858 garLoopResultBuilder]: For program point L5755(line 5755) no Hoare annotation was computed. [2021-11-21 01:50:41,277 INFO L858 garLoopResultBuilder]: For program point L5757(line 5757) no Hoare annotation was computed. [2021-11-21 01:50:41,277 INFO L858 garLoopResultBuilder]: For program point L5751(line 5751) no Hoare annotation was computed. [2021-11-21 01:50:41,277 INFO L858 garLoopResultBuilder]: For program point L5753(line 5753) no Hoare annotation was computed. [2021-11-21 01:50:41,277 INFO L858 garLoopResultBuilder]: For program point L5747(line 5747) no Hoare annotation was computed. [2021-11-21 01:50:41,278 INFO L858 garLoopResultBuilder]: For program point L5749(line 5749) no Hoare annotation was computed. [2021-11-21 01:50:41,278 INFO L858 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2021-11-21 01:50:41,278 INFO L861 garLoopResultBuilder]: At program point aws_atomic_load_ptrENTRY(lines 5622 5625) the Hoare annotation is: true [2021-11-21 01:50:41,278 INFO L858 garLoopResultBuilder]: For program point aws_atomic_load_ptrEXIT(lines 5622 5625) no Hoare annotation was computed. [2021-11-21 01:50:41,278 INFO L858 garLoopResultBuilder]: For program point L5624-1(line 5624) no Hoare annotation was computed. [2021-11-21 01:50:41,279 INFO L861 garLoopResultBuilder]: At program point L5624(line 5624) the Hoare annotation is: true [2021-11-21 01:50:41,279 INFO L861 garLoopResultBuilder]: At program point ensure_byte_buf_has_allocated_buffer_member_in_rangeENTRY(lines 6631 6640) the Hoare annotation is: true [2021-11-21 01:50:41,279 INFO L858 garLoopResultBuilder]: For program point ensure_byte_buf_has_allocated_buffer_member_in_rangeEXIT(lines 6631 6640) no Hoare annotation was computed. [2021-11-21 01:50:41,279 INFO L861 garLoopResultBuilder]: At program point L6638(line 6638) the Hoare annotation is: true [2021-11-21 01:50:41,279 INFO L861 garLoopResultBuilder]: At program point L6634(line 6634) the Hoare annotation is: true [2021-11-21 01:50:41,279 INFO L858 garLoopResultBuilder]: For program point L6635-1(line 6635) no Hoare annotation was computed. [2021-11-21 01:50:41,280 INFO L861 garLoopResultBuilder]: At program point L6635(line 6635) the Hoare annotation is: true [2021-11-21 01:50:41,280 INFO L858 garLoopResultBuilder]: For program point L6639-3(line 6639) no Hoare annotation was computed. [2021-11-21 01:50:41,280 INFO L858 garLoopResultBuilder]: For program point L6638-1(line 6638) no Hoare annotation was computed. [2021-11-21 01:50:41,280 INFO L861 garLoopResultBuilder]: At program point L6639-2(line 6639) the Hoare annotation is: true [2021-11-21 01:50:41,280 INFO L858 garLoopResultBuilder]: For program point L6632-1(line 6632) no Hoare annotation was computed. [2021-11-21 01:50:41,280 INFO L861 garLoopResultBuilder]: At program point L6632(line 6632) the Hoare annotation is: true [2021-11-21 01:50:41,281 INFO L858 garLoopResultBuilder]: For program point L6634-1(line 6634) no Hoare annotation was computed. [2021-11-21 01:50:41,281 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2021-11-21 01:50:41,281 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-21 01:50:41,281 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2021-11-21 01:50:41,281 INFO L861 garLoopResultBuilder]: At program point aws_byte_buf_is_validENTRY(lines 7375 7381) the Hoare annotation is: true [2021-11-21 01:50:41,281 INFO L858 garLoopResultBuilder]: For program point aws_byte_buf_is_validEXIT(lines 7375 7381) no Hoare annotation was computed. [2021-11-21 01:50:41,282 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 210 212) the Hoare annotation is: true [2021-11-21 01:50:41,282 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 210 212) no Hoare annotation was computed. [2021-11-21 01:50:41,282 INFO L861 garLoopResultBuilder]: At program point aws_ring_buffer_is_validENTRY(lines 6062 6081) the Hoare annotation is: true [2021-11-21 01:50:41,282 INFO L858 garLoopResultBuilder]: For program point L6072-1(line 6072) no Hoare annotation was computed. [2021-11-21 01:50:41,282 INFO L854 garLoopResultBuilder]: At program point L6072(line 6072) the Hoare annotation is: (or (and (or (= (select (select |#memory_$Pointer$.base| |aws_ring_buffer_is_valid_#in~ring_buf.base|) 32) 0) (not (= 0 |aws_ring_buffer_is_valid_#in~ring_buf.offset|)) (let ((.cse0 (div aws_ring_buffer_is_valid_~head_in_range~0 256))) (and (<= aws_ring_buffer_is_valid_~head_in_range~0 (* 256 .cse0)) (< 0 (+ .cse0 1))))) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|) (= aws_ring_buffer_is_valid_~tail~1.base 0)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_9| Int)) (let ((.cse2 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_9|))) (let ((.cse1 (select .cse2 8))) (or (= .cse1 0) (not (= (select .cse2 32) .cse1))))))) [2021-11-21 01:50:41,283 INFO L854 garLoopResultBuilder]: At program point L6066(line 6066) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_9| Int)) (let ((.cse1 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_9|))) (let ((.cse0 (select .cse1 8))) (or (= .cse0 0) (not (= (select .cse1 32) .cse0)))))) (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|))) [2021-11-21 01:50:41,283 INFO L858 garLoopResultBuilder]: For program point L6066-1(line 6066) no Hoare annotation was computed. [2021-11-21 01:50:41,283 INFO L858 garLoopResultBuilder]: For program point aws_ring_buffer_is_validEXIT(lines 6062 6081) no Hoare annotation was computed. [2021-11-21 01:50:41,283 INFO L854 garLoopResultBuilder]: At program point L6069(line 6069) the Hoare annotation is: (or (and (= aws_ring_buffer_is_valid_~head~1.base 0) (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|) (= aws_ring_buffer_is_valid_~tail~1.base 0)) (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_9| Int)) (let ((.cse1 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_9|))) (let ((.cse0 (select .cse1 8))) (or (= .cse0 0) (not (= (select .cse1 32) .cse0))))))) [2021-11-21 01:50:41,283 INFO L858 garLoopResultBuilder]: For program point L6069-1(line 6069) no Hoare annotation was computed. [2021-11-21 01:50:41,284 INFO L854 garLoopResultBuilder]: At program point L6065(line 6065) the Hoare annotation is: (or (forall ((|v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_9| Int)) (let ((.cse1 (select |#memory_$Pointer$.base| |v_ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base_BEFORE_CALL_9|))) (let ((.cse0 (select .cse1 8))) (or (= .cse0 0) (not (= (select .cse1 32) .cse0)))))) (and (= aws_ring_buffer_is_valid_~ring_buf.base |aws_ring_buffer_is_valid_#in~ring_buf.base|) (= aws_ring_buffer_is_valid_~ring_buf.offset |aws_ring_buffer_is_valid_#in~ring_buf.offset|))) [2021-11-21 01:50:41,284 INFO L858 garLoopResultBuilder]: For program point L6065-1(line 6065) no Hoare annotation was computed. [2021-11-21 01:50:41,284 INFO L858 garLoopResultBuilder]: For program point can_fail_allocatorEXIT(lines 6889 6891) no Hoare annotation was computed. [2021-11-21 01:50:41,284 INFO L861 garLoopResultBuilder]: At program point can_fail_allocatorENTRY(lines 6889 6891) the Hoare annotation is: true [2021-11-21 01:50:41,284 INFO L861 garLoopResultBuilder]: At program point L9229(line 9229) the Hoare annotation is: true [2021-11-21 01:50:41,284 INFO L858 garLoopResultBuilder]: For program point L9230-1(line 9230) no Hoare annotation was computed. [2021-11-21 01:50:41,285 INFO L858 garLoopResultBuilder]: For program point L9229-1(line 9229) no Hoare annotation was computed. [2021-11-21 01:50:41,285 INFO L861 garLoopResultBuilder]: At program point L9230(line 9230) the Hoare annotation is: true [2021-11-21 01:50:41,285 INFO L858 garLoopResultBuilder]: For program point is_middle_valid_stateEXIT(lines 9227 9232) no Hoare annotation was computed. [2021-11-21 01:50:41,285 INFO L861 garLoopResultBuilder]: At program point is_middle_valid_stateENTRY(lines 9227 9232) the Hoare annotation is: true [2021-11-21 01:50:41,285 INFO L854 garLoopResultBuilder]: At program point L9284-8(line 9284) the Hoare annotation is: false [2021-11-21 01:50:41,286 INFO L858 garLoopResultBuilder]: For program point L9284-9(line 9284) no Hoare annotation was computed. [2021-11-21 01:50:41,286 INFO L858 garLoopResultBuilder]: For program point L6658-1(line 6658) no Hoare annotation was computed. [2021-11-21 01:50:41,286 INFO L858 garLoopResultBuilder]: For program point L9284-10(line 9284) no Hoare annotation was computed. [2021-11-21 01:50:41,286 INFO L858 garLoopResultBuilder]: For program point L9218-1(line 9218) no Hoare annotation was computed. [2021-11-21 01:50:41,286 INFO L854 garLoopResultBuilder]: At program point L9284-4(line 9284) the Hoare annotation is: false [2021-11-21 01:50:41,286 INFO L858 garLoopResultBuilder]: For program point L9284-5(line 9284) no Hoare annotation was computed. [2021-11-21 01:50:41,287 INFO L858 garLoopResultBuilder]: For program point L9284-6(line 9284) no Hoare annotation was computed. [2021-11-21 01:50:41,287 INFO L858 garLoopResultBuilder]: For program point L9284-15(line 9284) no Hoare annotation was computed. [2021-11-21 01:50:41,287 INFO L854 garLoopResultBuilder]: At program point L9268(line 9268) the Hoare annotation is: false [2021-11-21 01:50:41,287 INFO L854 garLoopResultBuilder]: At program point L9284-16(line 9284) the Hoare annotation is: false [2021-11-21 01:50:41,287 INFO L858 garLoopResultBuilder]: For program point L9268-1(line 9268) no Hoare annotation was computed. [2021-11-21 01:50:41,288 INFO L858 garLoopResultBuilder]: For program point L9284-17(line 9284) no Hoare annotation was computed. [2021-11-21 01:50:41,288 INFO L858 garLoopResultBuilder]: For program point L9284-11(line 9284) no Hoare annotation was computed. [2021-11-21 01:50:41,288 INFO L854 garLoopResultBuilder]: At program point L9284-13(line 9284) the Hoare annotation is: false [2021-11-21 01:50:41,288 INFO L858 garLoopResultBuilder]: For program point L9284-14(line 9284) no Hoare annotation was computed. [2021-11-21 01:50:41,288 INFO L854 garLoopResultBuilder]: At program point L9219(line 9219) the Hoare annotation is: false [2021-11-21 01:50:41,288 INFO L854 garLoopResultBuilder]: At program point L9219-1(line 9219) the Hoare annotation is: false [2021-11-21 01:50:41,289 INFO L858 garLoopResultBuilder]: For program point L6659-1(line 6659) no Hoare annotation was computed. [2021-11-21 01:50:41,289 INFO L854 garLoopResultBuilder]: At program point L6659(line 6659) the Hoare annotation is: false [2021-11-21 01:50:41,289 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-21 01:50:41,289 INFO L854 garLoopResultBuilder]: At program point L9269(line 9269) the Hoare annotation is: false [2021-11-21 01:50:41,289 INFO L854 garLoopResultBuilder]: At program point L9269-1(line 9269) the Hoare annotation is: false [2021-11-21 01:50:41,290 INFO L858 garLoopResultBuilder]: For program point L9269-2(line 9269) no Hoare annotation was computed. [2021-11-21 01:50:41,290 INFO L854 garLoopResultBuilder]: At program point L9253(line 9253) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 8))) (and (not (= .cse0 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= .cse0 (select .cse1 32))))) [2021-11-21 01:50:41,290 INFO L858 garLoopResultBuilder]: For program point L9253-1(line 9253) no Hoare annotation was computed. [2021-11-21 01:50:41,290 INFO L858 garLoopResultBuilder]: For program point L9270-1(line 9270) no Hoare annotation was computed. [2021-11-21 01:50:41,290 INFO L854 garLoopResultBuilder]: At program point L9270(line 9270) the Hoare annotation is: false [2021-11-21 01:50:41,291 INFO L854 garLoopResultBuilder]: At program point L9254-1(line 9254) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_aws_ring_buffer_release_harness_#t~ret1362#1|) (<= |ULTIMATE.start_aws_ring_buffer_release_harness_#t~ret1362#1| 0)) [2021-11-21 01:50:41,291 INFO L858 garLoopResultBuilder]: For program point L9287-2(line 9287) no Hoare annotation was computed. [2021-11-21 01:50:41,291 INFO L858 garLoopResultBuilder]: For program point L9254-2(line 9254) no Hoare annotation was computed. [2021-11-21 01:50:41,291 INFO L854 garLoopResultBuilder]: At program point L9287-4(line 9287) the Hoare annotation is: false [2021-11-21 01:50:41,291 INFO L858 garLoopResultBuilder]: For program point L9287-5(line 9287) no Hoare annotation was computed. [2021-11-21 01:50:41,291 INFO L854 garLoopResultBuilder]: At program point L9287(line 9287) the Hoare annotation is: false [2021-11-21 01:50:41,292 INFO L854 garLoopResultBuilder]: At program point L9254(line 9254) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 8))) (and (not (= .cse0 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= .cse0 (select .cse1 32))))) [2021-11-21 01:50:41,292 INFO L858 garLoopResultBuilder]: For program point L9287-1(line 9287) no Hoare annotation was computed. [2021-11-21 01:50:41,292 INFO L858 garLoopResultBuilder]: For program point L9287-10(line 9287) no Hoare annotation was computed. [2021-11-21 01:50:41,292 INFO L858 garLoopResultBuilder]: For program point L9287-11(line 9287) no Hoare annotation was computed. [2021-11-21 01:50:41,292 INFO L854 garLoopResultBuilder]: At program point L9287-13(line 9287) the Hoare annotation is: false [2021-11-21 01:50:41,293 INFO L858 garLoopResultBuilder]: For program point L9287-6(line 9287) no Hoare annotation was computed. [2021-11-21 01:50:41,293 INFO L854 garLoopResultBuilder]: At program point L9287-8(line 9287) the Hoare annotation is: false [2021-11-21 01:50:41,293 INFO L858 garLoopResultBuilder]: For program point L9287-9(line 9287) no Hoare annotation was computed. [2021-11-21 01:50:41,293 INFO L858 garLoopResultBuilder]: For program point L9287-14(line 9287) no Hoare annotation was computed. [2021-11-21 01:50:41,293 INFO L858 garLoopResultBuilder]: For program point L9287-15(line 9287) no Hoare annotation was computed. [2021-11-21 01:50:41,293 INFO L854 garLoopResultBuilder]: At program point L9271(line 9271) the Hoare annotation is: false [2021-11-21 01:50:41,294 INFO L854 garLoopResultBuilder]: At program point L9287-16(line 9287) the Hoare annotation is: false [2021-11-21 01:50:41,294 INFO L858 garLoopResultBuilder]: For program point L9271-1(line 9271) no Hoare annotation was computed. [2021-11-21 01:50:41,294 INFO L861 garLoopResultBuilder]: At program point L9287-17(line 9287) the Hoare annotation is: true [2021-11-21 01:50:41,294 INFO L854 garLoopResultBuilder]: At program point L6662(line 6662) the Hoare annotation is: false [2021-11-21 01:50:41,294 INFO L858 garLoopResultBuilder]: For program point L6662-1(lines 6645 6664) no Hoare annotation was computed. [2021-11-21 01:50:41,295 INFO L854 garLoopResultBuilder]: At program point L9272(line 9272) the Hoare annotation is: false [2021-11-21 01:50:41,295 INFO L858 garLoopResultBuilder]: For program point L9272-1(line 9272) no Hoare annotation was computed. [2021-11-21 01:50:41,295 INFO L854 garLoopResultBuilder]: At program point L9256(line 9256) the Hoare annotation is: false [2021-11-21 01:50:41,295 INFO L854 garLoopResultBuilder]: At program point L9256-1(line 9256) the Hoare annotation is: false [2021-11-21 01:50:41,295 INFO L858 garLoopResultBuilder]: For program point L9256-2(line 9256) no Hoare annotation was computed. [2021-11-21 01:50:41,295 INFO L854 garLoopResultBuilder]: At program point L9273(line 9273) the Hoare annotation is: false [2021-11-21 01:50:41,296 INFO L858 garLoopResultBuilder]: For program point L9273-1(line 9273) no Hoare annotation was computed. [2021-11-21 01:50:41,296 INFO L854 garLoopResultBuilder]: At program point L6053(line 6053) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 8))) (and (not (= .cse0 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= .cse0 (select .cse1 32)) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)))) [2021-11-21 01:50:41,296 INFO L858 garLoopResultBuilder]: For program point L6053-1(line 6053) no Hoare annotation was computed. [2021-11-21 01:50:41,296 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-21 01:50:41,296 INFO L854 garLoopResultBuilder]: At program point L9274(line 9274) the Hoare annotation is: false [2021-11-21 01:50:41,296 INFO L858 garLoopResultBuilder]: For program point L6648-1(lines 6648 6650) no Hoare annotation was computed. [2021-11-21 01:50:41,297 INFO L854 garLoopResultBuilder]: At program point L6648(line 6648) the Hoare annotation is: false [2021-11-21 01:50:41,297 INFO L858 garLoopResultBuilder]: For program point L9274-1(line 9274) no Hoare annotation was computed. [2021-11-21 01:50:41,297 INFO L858 garLoopResultBuilder]: For program point L6648-3(lines 6648 6650) no Hoare annotation was computed. [2021-11-21 01:50:41,297 INFO L854 garLoopResultBuilder]: At program point L8812(line 8812) the Hoare annotation is: false [2021-11-21 01:50:41,297 INFO L854 garLoopResultBuilder]: At program point L8812-1(line 8812) the Hoare annotation is: false [2021-11-21 01:50:41,298 INFO L858 garLoopResultBuilder]: For program point L8812-2(line 8812) no Hoare annotation was computed. [2021-11-21 01:50:41,298 INFO L854 garLoopResultBuilder]: At program point L6054(line 6054) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 8))) (and (not (= .cse0 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= .cse0 (select .cse1 32))))) [2021-11-21 01:50:41,298 INFO L854 garLoopResultBuilder]: At program point L6054-1(line 6054) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|))) (let ((.cse0 (select .cse1 8))) (and (not (= .cse0 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= .cse0 (select .cse1 32))))) [2021-11-21 01:50:41,298 INFO L854 garLoopResultBuilder]: At program point L9275(lines 9275 9277) the Hoare annotation is: false [2021-11-21 01:50:41,298 INFO L858 garLoopResultBuilder]: For program point L9275-1(lines 9275 9277) no Hoare annotation was computed. [2021-11-21 01:50:41,298 INFO L854 garLoopResultBuilder]: At program point L8813(line 8813) the Hoare annotation is: false [2021-11-21 01:50:41,299 INFO L854 garLoopResultBuilder]: At program point L8813-1(line 8813) the Hoare annotation is: false [2021-11-21 01:50:41,299 INFO L858 garLoopResultBuilder]: For program point L8813-2(line 8813) no Hoare annotation was computed. [2021-11-21 01:50:41,299 INFO L854 garLoopResultBuilder]: At program point L6650(line 6650) the Hoare annotation is: false [2021-11-21 01:50:41,299 INFO L858 garLoopResultBuilder]: For program point L6617-1(line 6617) no Hoare annotation was computed. [2021-11-21 01:50:41,299 INFO L854 garLoopResultBuilder]: At program point L6617(line 6617) the Hoare annotation is: (and (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) [2021-11-21 01:50:41,300 INFO L858 garLoopResultBuilder]: For program point L6650-1(line 6650) no Hoare annotation was computed. [2021-11-21 01:50:41,300 INFO L854 garLoopResultBuilder]: At program point L8814-1(line 8814) the Hoare annotation is: false [2021-11-21 01:50:41,300 INFO L858 garLoopResultBuilder]: For program point L8814-2(line 8814) no Hoare annotation was computed. [2021-11-21 01:50:41,300 INFO L854 garLoopResultBuilder]: At program point L8814(line 8814) the Hoare annotation is: false [2021-11-21 01:50:41,300 INFO L854 garLoopResultBuilder]: At program point L6618(line 6618) the Hoare annotation is: (and (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) [2021-11-21 01:50:41,300 INFO L858 garLoopResultBuilder]: For program point L6651-1(line 6651) no Hoare annotation was computed. [2021-11-21 01:50:41,301 INFO L854 garLoopResultBuilder]: At program point L6651(line 6651) the Hoare annotation is: false [2021-11-21 01:50:41,301 INFO L858 garLoopResultBuilder]: For program point L6618-1(line 6618) no Hoare annotation was computed. [2021-11-21 01:50:41,301 INFO L858 garLoopResultBuilder]: For program point L8815-2(line 8815) no Hoare annotation was computed. [2021-11-21 01:50:41,301 INFO L854 garLoopResultBuilder]: At program point L8815-3(line 8815) the Hoare annotation is: false [2021-11-21 01:50:41,301 INFO L858 garLoopResultBuilder]: For program point L8815-4(line 8815) no Hoare annotation was computed. [2021-11-21 01:50:41,301 INFO L854 garLoopResultBuilder]: At program point L8815(line 8815) the Hoare annotation is: false [2021-11-21 01:50:41,302 INFO L854 garLoopResultBuilder]: At program point L8815-1(line 8815) the Hoare annotation is: false [2021-11-21 01:50:41,302 INFO L858 garLoopResultBuilder]: For program point L9278-1(lines 9278 9280) no Hoare annotation was computed. [2021-11-21 01:50:41,302 INFO L858 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2021-11-21 01:50:41,302 INFO L854 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) [2021-11-21 01:50:41,302 INFO L858 garLoopResultBuilder]: For program point L6652-1(line 6652) no Hoare annotation was computed. [2021-11-21 01:50:41,302 INFO L854 garLoopResultBuilder]: At program point L6652(line 6652) the Hoare annotation is: false [2021-11-21 01:50:41,303 INFO L854 garLoopResultBuilder]: At program point L9278(lines 9278 9280) the Hoare annotation is: false [2021-11-21 01:50:41,303 INFO L854 garLoopResultBuilder]: At program point L8816-3(line 8816) the Hoare annotation is: false [2021-11-21 01:50:41,303 INFO L854 garLoopResultBuilder]: At program point L8816-4(line 8816) the Hoare annotation is: false [2021-11-21 01:50:41,303 INFO L858 garLoopResultBuilder]: For program point L8816-1(line 8816) no Hoare annotation was computed. [2021-11-21 01:50:41,303 INFO L858 garLoopResultBuilder]: For program point L8816-2(line 8816) no Hoare annotation was computed. [2021-11-21 01:50:41,303 INFO L858 garLoopResultBuilder]: For program point L6620-1(line 6620) no Hoare annotation was computed. [2021-11-21 01:50:41,304 INFO L854 garLoopResultBuilder]: At program point L6620(line 6620) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) [2021-11-21 01:50:41,304 INFO L858 garLoopResultBuilder]: For program point L6653(lines 6653 6663) no Hoare annotation was computed. [2021-11-21 01:50:41,304 INFO L854 garLoopResultBuilder]: At program point L8817(line 8817) the Hoare annotation is: false [2021-11-21 01:50:41,304 INFO L858 garLoopResultBuilder]: For program point L8817-1(line 8817) no Hoare annotation was computed. [2021-11-21 01:50:41,304 INFO L854 garLoopResultBuilder]: At program point L6654(line 6654) the Hoare annotation is: false [2021-11-21 01:50:41,305 INFO L854 garLoopResultBuilder]: At program point L6621-1(line 6621) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) [2021-11-21 01:50:41,305 INFO L854 garLoopResultBuilder]: At program point L6621(line 6621) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) [2021-11-21 01:50:41,305 INFO L858 garLoopResultBuilder]: For program point L6654-1(lines 6654 6660) no Hoare annotation was computed. [2021-11-21 01:50:41,305 INFO L858 garLoopResultBuilder]: For program point L6622(line 6622) no Hoare annotation was computed. [2021-11-21 01:50:41,305 INFO L858 garLoopResultBuilder]: For program point L6655-1(line 6655) no Hoare annotation was computed. [2021-11-21 01:50:41,306 INFO L854 garLoopResultBuilder]: At program point L6655(line 6655) the Hoare annotation is: false [2021-11-21 01:50:41,306 INFO L854 garLoopResultBuilder]: At program point L9281(line 9281) the Hoare annotation is: false [2021-11-21 01:50:41,306 INFO L858 garLoopResultBuilder]: For program point L9281-1(line 9281) no Hoare annotation was computed. [2021-11-21 01:50:41,306 INFO L854 garLoopResultBuilder]: At program point L9265(line 9265) the Hoare annotation is: false [2021-11-21 01:50:41,306 INFO L858 garLoopResultBuilder]: For program point L9265-1(line 9265) no Hoare annotation was computed. [2021-11-21 01:50:41,306 INFO L854 garLoopResultBuilder]: At program point L9282(line 9282) the Hoare annotation is: false [2021-11-21 01:50:41,307 INFO L858 garLoopResultBuilder]: For program point L6623-1(line 6623) no Hoare annotation was computed. [2021-11-21 01:50:41,307 INFO L854 garLoopResultBuilder]: At program point L6623(line 6623) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) [2021-11-21 01:50:41,307 INFO L858 garLoopResultBuilder]: For program point L6656-1(line 6656) no Hoare annotation was computed. [2021-11-21 01:50:41,307 INFO L854 garLoopResultBuilder]: At program point L6656(line 6656) the Hoare annotation is: false [2021-11-21 01:50:41,307 INFO L858 garLoopResultBuilder]: For program point L9282-1(line 9282) no Hoare annotation was computed. [2021-11-21 01:50:41,308 INFO L854 garLoopResultBuilder]: At program point L9266(line 9266) the Hoare annotation is: false [2021-11-21 01:50:41,308 INFO L858 garLoopResultBuilder]: For program point L9266-1(line 9266) no Hoare annotation was computed. [2021-11-21 01:50:41,308 INFO L858 garLoopResultBuilder]: For program point L9283(line 9283) no Hoare annotation was computed. [2021-11-21 01:50:41,308 INFO L854 garLoopResultBuilder]: At program point L9283-6(line 9283) the Hoare annotation is: false [2021-11-21 01:50:41,308 INFO L858 garLoopResultBuilder]: For program point L6624-1(line 6624) no Hoare annotation was computed. [2021-11-21 01:50:41,308 INFO L858 garLoopResultBuilder]: For program point L9283-7(line 9283) no Hoare annotation was computed. [2021-11-21 01:50:41,309 INFO L854 garLoopResultBuilder]: At program point L6624(line 6624) the Hoare annotation is: (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base|) (+ |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 8)) 0)) (= |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.offset| 0) (= |ULTIMATE.start_ensure_ring_buffer_has_allocated_members_~ring_buf#1.base| |ULTIMATE.start_aws_ring_buffer_release_harness_~#ring_buf~0#1.base|)) [2021-11-21 01:50:41,309 INFO L858 garLoopResultBuilder]: For program point L9283-8(line 9283) no Hoare annotation was computed. [2021-11-21 01:50:41,309 INFO L854 garLoopResultBuilder]: At program point L9283-9(line 9283) the Hoare annotation is: false [2021-11-21 01:50:41,309 INFO L854 garLoopResultBuilder]: At program point L9283-2(line 9283) the Hoare annotation is: false [2021-11-21 01:50:41,309 INFO L858 garLoopResultBuilder]: For program point L9283-3(line 9283) no Hoare annotation was computed. [2021-11-21 01:50:41,310 INFO L858 garLoopResultBuilder]: For program point L9283-4(line 9283) no Hoare annotation was computed. [2021-11-21 01:50:41,310 INFO L854 garLoopResultBuilder]: At program point L9267(line 9267) the Hoare annotation is: false [2021-11-21 01:50:41,310 INFO L858 garLoopResultBuilder]: For program point L9267-1(line 9267) no Hoare annotation was computed. [2021-11-21 01:50:41,310 INFO L858 garLoopResultBuilder]: For program point L9283-10(line 9283) no Hoare annotation was computed. [2021-11-21 01:50:41,310 INFO L854 garLoopResultBuilder]: At program point L9284(line 9284) the Hoare annotation is: false [2021-11-21 01:50:41,310 INFO L858 garLoopResultBuilder]: For program point L9284-1(line 9284) no Hoare annotation was computed. [2021-11-21 01:50:41,311 INFO L854 garLoopResultBuilder]: At program point L9218(line 9218) the Hoare annotation is: false [2021-11-21 01:50:41,311 INFO L858 garLoopResultBuilder]: For program point L9284-2(line 9284) no Hoare annotation was computed. [2021-11-21 01:50:41,311 INFO L854 garLoopResultBuilder]: At program point L6658(line 6658) the Hoare annotation is: false [2021-11-21 01:50:41,311 INFO L858 garLoopResultBuilder]: For program point is_empty_stateEXIT(lines 9205 9210) no Hoare annotation was computed. [2021-11-21 01:50:41,311 INFO L861 garLoopResultBuilder]: At program point L9208(line 9208) the Hoare annotation is: true [2021-11-21 01:50:41,312 INFO L861 garLoopResultBuilder]: At program point L9207(line 9207) the Hoare annotation is: true [2021-11-21 01:50:41,312 INFO L858 garLoopResultBuilder]: For program point L9208-1(line 9208) no Hoare annotation was computed. [2021-11-21 01:50:41,312 INFO L861 garLoopResultBuilder]: At program point is_empty_stateENTRY(lines 9205 9210) the Hoare annotation is: true [2021-11-21 01:50:41,312 INFO L858 garLoopResultBuilder]: For program point L9207-1(line 9207) no Hoare annotation was computed. [2021-11-21 01:50:41,312 INFO L858 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-21 01:50:41,312 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 222 224) the Hoare annotation is: true [2021-11-21 01:50:41,313 INFO L858 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-21 01:50:41,313 INFO L858 garLoopResultBuilder]: For program point L223-3(lines 222 224) no Hoare annotation was computed. [2021-11-21 01:50:41,313 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 222 224) no Hoare annotation was computed. [2021-11-21 01:50:41,313 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-21 01:50:41,313 INFO L858 garLoopResultBuilder]: For program point is_ends_valid_stateEXIT(lines 9238 9243) no Hoare annotation was computed. [2021-11-21 01:50:41,314 INFO L861 garLoopResultBuilder]: At program point is_ends_valid_stateENTRY(lines 9238 9243) the Hoare annotation is: true [2021-11-21 01:50:41,314 INFO L861 garLoopResultBuilder]: At program point L9241(line 9241) the Hoare annotation is: true [2021-11-21 01:50:41,314 INFO L861 garLoopResultBuilder]: At program point L9240(line 9240) the Hoare annotation is: true [2021-11-21 01:50:41,314 INFO L858 garLoopResultBuilder]: For program point L9241-1(line 9241) no Hoare annotation was computed. [2021-11-21 01:50:41,314 INFO L858 garLoopResultBuilder]: For program point L9240-1(line 9240) no Hoare annotation was computed. [2021-11-21 01:50:41,318 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:50:41,321 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:50:41,347 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-21 01:50:41,349 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-21 01:50:41,349 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-21 01:50:41,356 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-21 01:50:41,357 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-21 01:50:41,357 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-21 01:50:41,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:50:41 BoogieIcfgContainer [2021-11-21 01:50:41,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:50:41,358 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:50:41,359 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:50:41,359 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:50:41,359 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:41:34" (3/4) ... [2021-11-21 01:50:41,363 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 01:50:41,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-21 01:50:41,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr [2021-11-21 01:50:41,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_byte_buf_has_allocated_buffer_member_in_range [2021-11-21 01:50:41,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2021-11-21 01:50:41,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_load_ptr_explicit [2021-11-21 01:50:41,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_byte_buf_is_valid [2021-11-21 01:50:41,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-21 01:50:41,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-21 01:50:41,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure s_buf_belongs_to_pool [2021-11-21 01:50:41,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_is_valid [2021-11-21 01:50:41,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-21 01:50:41,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_ring_buffer_check_atomic_ptr [2021-11-21 01:50:41,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr [2021-11-21 01:50:41,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-21 01:50:41,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_middle_valid_state [2021-11-21 01:50:41,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_empty_state [2021-11-21 01:50:41,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-21 01:50:41,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_store_ptr_explicit [2021-11-21 01:50:41,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_ends_valid_state [2021-11-21 01:50:41,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_atomic_priv_xlate_order [2021-11-21 01:50:41,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 189 nodes and edges [2021-11-21 01:50:41,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2021-11-21 01:50:41,424 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2021-11-21 01:50:41,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-21 01:50:41,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-21 01:50:41,434 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-21 01:50:41,437 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 01:50:41,440 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 01:50:42,441 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 01:50:42,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:50:42,443 INFO L158 Benchmark]: Toolchain (without parser) took 554474.48ms. Allocated memory was 113.2MB in the beginning and 943.7MB in the end (delta: 830.5MB). Free memory was 70.5MB in the beginning and 560.0MB in the end (delta: -489.5MB). Peak memory consumption was 630.9MB. Max. memory is 16.1GB. [2021-11-21 01:50:42,443 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory is still 44.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:50:42,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3453.35ms. Allocated memory was 113.2MB in the beginning and 153.1MB in the end (delta: 39.8MB). Free memory was 70.3MB in the beginning and 67.4MB in the end (delta: 2.9MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2021-11-21 01:50:42,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 278.72ms. Allocated memory is still 153.1MB. Free memory was 67.4MB in the beginning and 96.5MB in the end (delta: -29.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-21 01:50:42,445 INFO L158 Benchmark]: Boogie Preprocessor took 133.95ms. Allocated memory is still 153.1MB. Free memory was 96.5MB in the beginning and 87.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 01:50:42,445 INFO L158 Benchmark]: RCFGBuilder took 2367.29ms. Allocated memory was 153.1MB in the beginning and 232.8MB in the end (delta: 79.7MB). Free memory was 87.3MB in the beginning and 134.6MB in the end (delta: -47.3MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. [2021-11-21 01:50:42,446 INFO L158 Benchmark]: TraceAbstraction took 547150.95ms. Allocated memory was 232.8MB in the beginning and 943.7MB in the end (delta: 710.9MB). Free memory was 134.6MB in the beginning and 839.7MB in the end (delta: -705.2MB). Peak memory consumption was 555.2MB. Max. memory is 16.1GB. [2021-11-21 01:50:42,446 INFO L158 Benchmark]: Witness Printer took 1083.47ms. Allocated memory is still 943.7MB. Free memory was 839.7MB in the beginning and 560.0MB in the end (delta: 279.7MB). Peak memory consumption was 571.3MB. Max. memory is 16.1GB. [2021-11-21 01:50:42,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 83.9MB. Free memory is still 44.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3453.35ms. Allocated memory was 113.2MB in the beginning and 153.1MB in the end (delta: 39.8MB). Free memory was 70.3MB in the beginning and 67.4MB in the end (delta: 2.9MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 278.72ms. Allocated memory is still 153.1MB. Free memory was 67.4MB in the beginning and 96.5MB in the end (delta: -29.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.95ms. Allocated memory is still 153.1MB. Free memory was 96.5MB in the beginning and 87.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2367.29ms. Allocated memory was 153.1MB in the beginning and 232.8MB in the end (delta: 79.7MB). Free memory was 87.3MB in the beginning and 134.6MB in the end (delta: -47.3MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. * TraceAbstraction took 547150.95ms. Allocated memory was 232.8MB in the beginning and 943.7MB in the end (delta: 710.9MB). Free memory was 134.6MB in the beginning and 839.7MB in the end (delta: -705.2MB). Peak memory consumption was 555.2MB. Max. memory is 16.1GB. * Witness Printer took 1083.47ms. Allocated memory is still 943.7MB. Free memory was 839.7MB in the beginning and 560.0MB in the end (delta: 279.7MB). Peak memory consumption was 571.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 233]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 238 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 547.0s, OverallIterations: 11, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 20.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 181 SdHoareTripleChecker+Valid, 18.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 15467 SdHoareTripleChecker+Invalid, 17.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 345 IncrementalHoareTripleChecker+Unchecked, 13633 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2048 IncrementalHoareTripleChecker+Invalid, 2456 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 2919 mSDtfsCounter, 2048 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2273 GetRequests, 2041 SyntacticMatches, 23 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5710 ImplicationChecksByTransitivity, 52.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=255occurred in iteration=2, InterpolantAutomatonStates: 99, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 16 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 111 LocationsWithAnnotation, 1600 PreInvPairs, 1611 NumberOfFragments, 567 HoareAnnotationTreeSize, 1600 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 111 FomulaSimplificationsInter, 576 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 5.7s SatisfiabilityAnalysisTime, 18.1s InterpolantComputationTime, 3505 NumberOfCodeBlocks, 3505 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3686 ConstructedInterpolants, 124 QuantifiedInterpolants, 7741 SizeOfPredicates, 60 NumberOfNonLiveVariables, 29698 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 5597/5932 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6054]: Loop Invariant [2021-11-21 01:50:42,460 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-21 01:50:42,460 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-21 01:50:42,460 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-21 01:50:42,461 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-21 01:50:42,461 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-11-21 01:50:42,462 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (!(#memory_$Pointer$[ring_buf][8] == 0) && ring_buf == 0) && #memory_$Pointer$[ring_buf][8] == #memory_$Pointer$[ring_buf][32] - InvariantResult [Line: 8816]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-21 01:50:42,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b9a3974-e509-4842-9c80-574a3ca37730/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE