./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:43:46,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:43:46,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:43:46,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:43:46,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:43:46,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:43:46,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:43:46,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:43:46,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:43:46,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:43:46,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:43:46,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:43:46,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:43:46,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:43:46,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:43:46,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:43:46,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:43:46,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:43:46,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:43:46,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:43:46,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:43:46,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:43:46,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:43:46,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:43:46,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:43:46,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:43:46,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:43:46,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:43:46,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:43:46,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:43:46,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:43:46,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:43:46,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:43:46,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:43:46,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:43:46,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:43:46,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:43:46,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:43:46,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:43:46,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:43:46,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:43:46,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:43:46,379 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:43:46,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:43:46,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:43:46,381 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:43:46,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:43:46,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:43:46,382 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:43:46,382 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:43:46,383 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:43:46,383 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:43:46,384 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:43:46,384 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:43:46,384 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:43:46,385 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:43:46,385 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:43:46,385 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:43:46,385 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:43:46,386 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:43:46,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:43:46,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:43:46,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:43:46,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:43:46,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:43:46,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:43:46,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:43:46,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:43:46,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:43:46,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:43:46,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:43:46,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:43:46,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:43:46,390 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:43:46,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:43:46,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:43:46,391 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:43:46,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:43:46,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:43:46,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:43:46,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc87605c4556c18c172bc882c4bc58637928d3f75ad69e0a339ead8d6093a78 [2022-11-22 01:43:46,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:43:46,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:43:46,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:43:46,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:43:46,703 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:43:46,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2022-11-22 01:43:49,828 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:43:50,316 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:43:50,317 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i [2022-11-22 01:43:50,354 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/data/c7d7af6f8/1059b135f4f246518f1b06aa233839ad/FLAGd7d6f1fd2 [2022-11-22 01:43:50,370 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/data/c7d7af6f8/1059b135f4f246518f1b06aa233839ad [2022-11-22 01:43:50,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:43:50,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:43:50,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:43:50,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:43:50,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:43:50,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:43:50" (1/1) ... [2022-11-22 01:43:50,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d2449d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:50, skipping insertion in model container [2022-11-22 01:43:50,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:43:50" (1/1) ... [2022-11-22 01:43:50,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:43:50,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:43:50,833 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2022-11-22 01:43:50,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2022-11-22 01:43:51,663 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:51,664 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:51,665 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:51,666 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:51,667 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:51,699 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:51,700 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:51,702 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:51,703 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:51,705 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:51,706 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:51,707 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:51,707 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,190 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 01:43:52,192 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 01:43:52,196 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 01:43:52,198 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 01:43:52,200 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 01:43:52,201 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 01:43:52,202 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 01:43:52,202 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 01:43:52,203 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 01:43:52,204 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 01:43:52,398 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 01:43:52,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:43:52,551 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:43:52,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4494,4507] [2022-11-22 01:43:52,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/sv-benchmarks/c/aws-c-common/aws_ring_buffer_init_harness.i[4554,4567] [2022-11-22 01:43:52,641 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,641 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,642 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,642 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,643 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,651 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,652 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,654 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,654 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,656 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,657 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,657 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,658 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:43:52,694 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 01:43:52,695 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 01:43:52,696 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 01:43:52,697 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 01:43:52,698 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 01:43:52,698 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 01:43:52,699 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 01:43:52,699 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 01:43:52,700 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 01:43:52,700 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 01:43:52,722 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 01:43:52,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:43:53,096 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:43:53,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53 WrapperNode [2022-11-22 01:43:53,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:43:53,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:43:53,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:43:53,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:43:53,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53" (1/1) ... [2022-11-22 01:43:53,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53" (1/1) ... [2022-11-22 01:43:53,276 INFO L138 Inliner]: procedures = 689, calls = 1510, calls flagged for inlining = 49, calls inlined = 7, statements flattened = 567 [2022-11-22 01:43:53,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:43:53,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:43:53,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:43:53,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:43:53,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53" (1/1) ... [2022-11-22 01:43:53,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53" (1/1) ... [2022-11-22 01:43:53,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53" (1/1) ... [2022-11-22 01:43:53,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53" (1/1) ... [2022-11-22 01:43:53,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53" (1/1) ... [2022-11-22 01:43:53,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53" (1/1) ... [2022-11-22 01:43:53,359 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53" (1/1) ... [2022-11-22 01:43:53,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53" (1/1) ... [2022-11-22 01:43:53,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:43:53,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:43:53,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:43:53,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:43:53,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53" (1/1) ... [2022-11-22 01:43:53,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:43:53,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:43:53,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:43:53,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:43:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2022-11-22 01:43:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:43:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-22 01:43:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-22 01:43:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-22 01:43:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-22 01:43:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2022-11-22 01:43:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2022-11-22 01:43:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_init_ptr [2022-11-22 01:43:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_init_ptr [2022-11-22 01:43:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-22 01:43:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-22 01:43:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 01:43:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 01:43:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:43:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:43:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:43:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2022-11-22 01:43:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2022-11-22 01:43:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:43:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:43:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 01:43:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 01:43:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-22 01:43:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-22 01:43:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:43:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:43:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:43:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:43:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-22 01:43:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-22 01:43:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:43:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:43:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:43:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2022-11-22 01:43:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2022-11-22 01:43:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-22 01:43:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-22 01:43:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2022-11-22 01:43:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2022-11-22 01:43:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:43:53,972 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:43:53,976 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:43:54,992 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:43:55,199 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:43:55,199 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:43:55,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:43:55 BoogieIcfgContainer [2022-11-22 01:43:55,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:43:55,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:43:55,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:43:55,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:43:55,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:43:50" (1/3) ... [2022-11-22 01:43:55,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700f0057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:43:55, skipping insertion in model container [2022-11-22 01:43:55,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:43:53" (2/3) ... [2022-11-22 01:43:55,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700f0057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:43:55, skipping insertion in model container [2022-11-22 01:43:55,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:43:55" (3/3) ... [2022-11-22 01:43:55,217 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_init_harness.i [2022-11-22 01:43:55,238 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:43:55,238 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 01:43:55,310 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:43:55,325 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66964a6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:43:55,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 01:43:55,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 60 states have (on average 1.25) internal successors, (75), 62 states have internal predecessors, (75), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2022-11-22 01:43:55,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-22 01:43:55,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:55,350 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:55,351 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:55,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:55,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1565176431, now seen corresponding path program 1 times [2022-11-22 01:43:55,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:55,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573271110] [2022-11-22 01:43:55,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:55,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:55,977 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-22 01:43:55,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:55,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573271110] [2022-11-22 01:43:55,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573271110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:55,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:55,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:43:55,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087513584] [2022-11-22 01:43:55,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:55,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:43:55,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:56,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:43:56,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:43:56,042 INFO L87 Difference]: Start difference. First operand has 106 states, 60 states have (on average 1.25) internal successors, (75), 62 states have internal predecessors, (75), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:43:56,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:56,247 INFO L93 Difference]: Finished difference Result 204 states and 262 transitions. [2022-11-22 01:43:56,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:43:56,251 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 64 [2022-11-22 01:43:56,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:56,261 INFO L225 Difference]: With dead ends: 204 [2022-11-22 01:43:56,261 INFO L226 Difference]: Without dead ends: 103 [2022-11-22 01:43:56,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:43:56,269 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:56,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:43:56,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-22 01:43:56,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-11-22 01:43:56,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 59 states have internal predecessors, (68), 29 states have call successors, (29), 15 states have call predecessors, (29), 15 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-11-22 01:43:56,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 125 transitions. [2022-11-22 01:43:56,329 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 125 transitions. Word has length 64 [2022-11-22 01:43:56,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:56,331 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 125 transitions. [2022-11-22 01:43:56,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 01:43:56,333 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 125 transitions. [2022-11-22 01:43:56,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-22 01:43:56,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:56,336 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:56,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:43:56,336 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:56,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:56,337 INFO L85 PathProgramCache]: Analyzing trace with hash -682153349, now seen corresponding path program 1 times [2022-11-22 01:43:56,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:56,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637661774] [2022-11-22 01:43:56,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:56,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-22 01:43:57,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:57,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637661774] [2022-11-22 01:43:57,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637661774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:57,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:57,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:43:57,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336912886] [2022-11-22 01:43:57,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:57,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:43:57,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:57,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:43:57,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:57,263 INFO L87 Difference]: Start difference. First operand 103 states and 125 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-22 01:43:58,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:58,005 INFO L93 Difference]: Finished difference Result 164 states and 199 transitions. [2022-11-22 01:43:58,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:43:58,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) Word has length 69 [2022-11-22 01:43:58,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:58,010 INFO L225 Difference]: With dead ends: 164 [2022-11-22 01:43:58,010 INFO L226 Difference]: Without dead ends: 109 [2022-11-22 01:43:58,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:58,012 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 3 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:58,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 539 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-22 01:43:58,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-22 01:43:58,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2022-11-22 01:43:58,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.1833333333333333) internal successors, (71), 62 states have internal predecessors, (71), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-11-22 01:43:58,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 129 transitions. [2022-11-22 01:43:58,026 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 129 transitions. Word has length 69 [2022-11-22 01:43:58,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:58,027 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 129 transitions. [2022-11-22 01:43:58,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-22 01:43:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2022-11-22 01:43:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-22 01:43:58,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:58,030 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:58,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:43:58,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:58,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:58,031 INFO L85 PathProgramCache]: Analyzing trace with hash -926352742, now seen corresponding path program 1 times [2022-11-22 01:43:58,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:58,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710923162] [2022-11-22 01:43:58,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:58,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:58,365 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-22 01:43:58,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:58,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710923162] [2022-11-22 01:43:58,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710923162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:58,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:58,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:43:58,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892479909] [2022-11-22 01:43:58,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:58,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:43:58,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:58,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:43:58,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:43:58,369 INFO L87 Difference]: Start difference. First operand 107 states and 129 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-22 01:43:58,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:58,637 INFO L93 Difference]: Finished difference Result 149 states and 179 transitions. [2022-11-22 01:43:58,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:43:58,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 73 [2022-11-22 01:43:58,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:58,640 INFO L225 Difference]: With dead ends: 149 [2022-11-22 01:43:58,640 INFO L226 Difference]: Without dead ends: 107 [2022-11-22 01:43:58,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:43:58,642 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 1 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:58,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 326 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:43:58,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-22 01:43:58,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2022-11-22 01:43:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-11-22 01:43:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 128 transitions. [2022-11-22 01:43:58,678 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 128 transitions. Word has length 73 [2022-11-22 01:43:58,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:58,679 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 128 transitions. [2022-11-22 01:43:58,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-22 01:43:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2022-11-22 01:43:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-22 01:43:58,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:58,683 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:58,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:43:58,684 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:58,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:58,684 INFO L85 PathProgramCache]: Analyzing trace with hash 893292607, now seen corresponding path program 1 times [2022-11-22 01:43:58,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:58,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166788413] [2022-11-22 01:43:58,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:58,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:43:59,171 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-22 01:43:59,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:43:59,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166788413] [2022-11-22 01:43:59,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166788413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:43:59,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:43:59,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:43:59,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273608077] [2022-11-22 01:43:59,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:43:59,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:43:59,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:43:59,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:43:59,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:43:59,178 INFO L87 Difference]: Start difference. First operand 107 states and 128 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-22 01:43:59,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:43:59,729 INFO L93 Difference]: Finished difference Result 147 states and 182 transitions. [2022-11-22 01:43:59,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:43:59,730 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 79 [2022-11-22 01:43:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:43:59,732 INFO L225 Difference]: With dead ends: 147 [2022-11-22 01:43:59,732 INFO L226 Difference]: Without dead ends: 103 [2022-11-22 01:43:59,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:43:59,734 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 21 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:43:59,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 468 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 01:43:59,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-22 01:43:59,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-11-22 01:43:59,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.1403508771929824) internal successors, (65), 58 states have internal predecessors, (65), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-11-22 01:43:59,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2022-11-22 01:43:59,746 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 79 [2022-11-22 01:43:59,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:43:59,746 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2022-11-22 01:43:59,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-22 01:43:59,747 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2022-11-22 01:43:59,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-22 01:43:59,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:43:59,749 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:43:59,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:43:59,750 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:43:59,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:43:59,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1888717682, now seen corresponding path program 1 times [2022-11-22 01:43:59,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:43:59,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767649644] [2022-11-22 01:43:59,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:43:59,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:43:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-22 01:44:00,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:00,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767649644] [2022-11-22 01:44:00,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767649644] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:44:00,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992107757] [2022-11-22 01:44:00,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:00,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:00,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:00,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:44:00,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:44:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:01,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 2265 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-22 01:44:01,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:01,353 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-22 01:44:01,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:44:01,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992107757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:01,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:44:01,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2022-11-22 01:44:01,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301620857] [2022-11-22 01:44:01,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:01,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:44:01,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:01,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:44:01,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:44:01,356 INFO L87 Difference]: Start difference. First operand 103 states and 123 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-22 01:44:01,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:01,663 INFO L93 Difference]: Finished difference Result 145 states and 177 transitions. [2022-11-22 01:44:01,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:44:01,664 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 101 [2022-11-22 01:44:01,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:01,666 INFO L225 Difference]: With dead ends: 145 [2022-11-22 01:44:01,666 INFO L226 Difference]: Without dead ends: 103 [2022-11-22 01:44:01,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:44:01,668 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 3 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:01,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 397 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:44:01,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-22 01:44:01,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-11-22 01:44:01,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.1228070175438596) internal successors, (64), 58 states have internal predecessors, (64), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-11-22 01:44:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2022-11-22 01:44:01,681 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 101 [2022-11-22 01:44:01,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:01,682 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2022-11-22 01:44:01,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-22 01:44:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2022-11-22 01:44:01,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-22 01:44:01,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:01,684 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:01,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:44:01,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:01,894 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:01,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:01,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1217212988, now seen corresponding path program 1 times [2022-11-22 01:44:01,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:01,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708207293] [2022-11-22 01:44:01,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:01,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-22 01:44:02,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:02,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708207293] [2022-11-22 01:44:02,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708207293] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:44:02,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455379362] [2022-11-22 01:44:02,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:02,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:02,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:02,835 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:44:02,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:44:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:03,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 2269 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 01:44:03,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:03,600 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-22 01:44:03,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:44:03,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455379362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:03,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:44:03,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-11-22 01:44:03,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167000964] [2022-11-22 01:44:03,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:03,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:44:03,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:03,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:44:03,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:44:03,606 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-22 01:44:03,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:03,989 INFO L93 Difference]: Finished difference Result 145 states and 175 transitions. [2022-11-22 01:44:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:44:03,991 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 103 [2022-11-22 01:44:03,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:03,992 INFO L225 Difference]: With dead ends: 145 [2022-11-22 01:44:03,992 INFO L226 Difference]: Without dead ends: 103 [2022-11-22 01:44:03,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:44:03,993 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 13 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:03,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 379 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:44:03,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-22 01:44:04,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-11-22 01:44:04,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.105263157894737) internal successors, (63), 58 states have internal predecessors, (63), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-11-22 01:44:04,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 121 transitions. [2022-11-22 01:44:04,011 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 121 transitions. Word has length 103 [2022-11-22 01:44:04,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:04,012 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 121 transitions. [2022-11-22 01:44:04,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-22 01:44:04,012 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-11-22 01:44:04,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-22 01:44:04,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:04,020 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:04,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-22 01:44:04,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:04,229 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:04,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:04,230 INFO L85 PathProgramCache]: Analyzing trace with hash -392209450, now seen corresponding path program 1 times [2022-11-22 01:44:04,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:04,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024386560] [2022-11-22 01:44:04,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:04,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:05,076 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-22 01:44:05,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:05,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024386560] [2022-11-22 01:44:05,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024386560] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:44:05,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406272283] [2022-11-22 01:44:05,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:05,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:05,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:05,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:44:05,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:44:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:05,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 2273 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 01:44:05,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:05,734 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-22 01:44:05,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:44:05,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406272283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:05,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:44:05,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-11-22 01:44:05,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990989230] [2022-11-22 01:44:05,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:05,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:44:05,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:05,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:44:05,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:44:05,737 INFO L87 Difference]: Start difference. First operand 103 states and 121 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-22 01:44:06,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:06,185 INFO L93 Difference]: Finished difference Result 145 states and 173 transitions. [2022-11-22 01:44:06,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:44:06,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 105 [2022-11-22 01:44:06,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:06,192 INFO L225 Difference]: With dead ends: 145 [2022-11-22 01:44:06,192 INFO L226 Difference]: Without dead ends: 103 [2022-11-22 01:44:06,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:44:06,195 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 11 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:06,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 377 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:44:06,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-22 01:44:06,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-11-22 01:44:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.087719298245614) internal successors, (62), 58 states have internal predecessors, (62), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-11-22 01:44:06,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2022-11-22 01:44:06,221 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 105 [2022-11-22 01:44:06,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:06,222 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2022-11-22 01:44:06,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-22 01:44:06,223 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2022-11-22 01:44:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-22 01:44:06,225 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:06,225 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:06,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-22 01:44:06,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:06,435 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:06,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:06,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1948131836, now seen corresponding path program 1 times [2022-11-22 01:44:06,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:06,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367070774] [2022-11-22 01:44:06,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:06,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:07,268 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-22 01:44:07,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:07,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367070774] [2022-11-22 01:44:07,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367070774] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:44:07,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970684914] [2022-11-22 01:44:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:07,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:07,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:07,271 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:44:07,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:44:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:07,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 2277 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 01:44:07,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:07,901 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-22 01:44:07,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:44:07,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970684914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:07,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:44:07,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-11-22 01:44:07,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354582802] [2022-11-22 01:44:07,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:07,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:44:07,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:07,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:44:07,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:44:07,904 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-22 01:44:08,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:08,360 INFO L93 Difference]: Finished difference Result 145 states and 171 transitions. [2022-11-22 01:44:08,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:44:08,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) Word has length 107 [2022-11-22 01:44:08,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:08,362 INFO L225 Difference]: With dead ends: 145 [2022-11-22 01:44:08,362 INFO L226 Difference]: Without dead ends: 103 [2022-11-22 01:44:08,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:44:08,363 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 9 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:08,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 469 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:44:08,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-22 01:44:08,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-11-22 01:44:08,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 29 states have call successors, (29), 15 states have call predecessors, (29), 16 states have return successors, (29), 29 states have call predecessors, (29), 28 states have call successors, (29) [2022-11-22 01:44:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 119 transitions. [2022-11-22 01:44:08,381 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 119 transitions. Word has length 107 [2022-11-22 01:44:08,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:08,384 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 119 transitions. [2022-11-22 01:44:08,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-22 01:44:08,385 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2022-11-22 01:44:08,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-22 01:44:08,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:08,390 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:08,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:44:08,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-22 01:44:08,603 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:08,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:08,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1735061218, now seen corresponding path program 1 times [2022-11-22 01:44:08,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:08,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876927044] [2022-11-22 01:44:08,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:08,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-22 01:44:09,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:09,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876927044] [2022-11-22 01:44:09,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876927044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:09,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:09,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-22 01:44:09,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227719204] [2022-11-22 01:44:09,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:09,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 01:44:09,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:09,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 01:44:09,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:44:09,960 INFO L87 Difference]: Start difference. First operand 103 states and 119 transitions. Second operand has 9 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 01:44:11,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:11,001 INFO L93 Difference]: Finished difference Result 154 states and 176 transitions. [2022-11-22 01:44:11,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:44:11,002 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) Word has length 109 [2022-11-22 01:44:11,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:11,003 INFO L225 Difference]: With dead ends: 154 [2022-11-22 01:44:11,003 INFO L226 Difference]: Without dead ends: 95 [2022-11-22 01:44:11,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:44:11,004 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 1 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:11,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 774 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-22 01:44:11,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-22 01:44:11,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-22 01:44:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 52 states have (on average 1.0384615384615385) internal successors, (54), 53 states have internal predecessors, (54), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-11-22 01:44:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2022-11-22 01:44:11,010 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 109 [2022-11-22 01:44:11,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:11,011 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2022-11-22 01:44:11,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 5 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 01:44:11,012 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2022-11-22 01:44:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-22 01:44:11,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:11,013 INFO L195 NwaCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:11,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:44:11,014 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:11,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:11,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1261012771, now seen corresponding path program 1 times [2022-11-22 01:44:11,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:11,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272199966] [2022-11-22 01:44:11,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:11,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-22 01:44:11,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:11,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272199966] [2022-11-22 01:44:11,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272199966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:11,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:11,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:44:11,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202003763] [2022-11-22 01:44:11,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:11,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:44:11,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:11,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:44:11,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:44:11,752 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 01:44:12,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:12,078 INFO L93 Difference]: Finished difference Result 180 states and 203 transitions. [2022-11-22 01:44:12,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:44:12,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 113 [2022-11-22 01:44:12,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:12,080 INFO L225 Difference]: With dead ends: 180 [2022-11-22 01:44:12,080 INFO L226 Difference]: Without dead ends: 96 [2022-11-22 01:44:12,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:44:12,081 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 1 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:12,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 283 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:44:12,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-22 01:44:12,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-22 01:44:12,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 53 states have (on average 1.0377358490566038) internal successors, (55), 54 states have internal predecessors, (55), 28 states have call successors, (28), 14 states have call predecessors, (28), 14 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-11-22 01:44:12,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2022-11-22 01:44:12,088 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 113 [2022-11-22 01:44:12,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:12,088 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2022-11-22 01:44:12,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 01:44:12,089 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2022-11-22 01:44:12,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-22 01:44:12,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:12,091 INFO L195 NwaCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:12,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:44:12,092 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [aws_atomic_priv_xlate_orderErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:12,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:12,092 INFO L85 PathProgramCache]: Analyzing trace with hash 208029118, now seen corresponding path program 1 times [2022-11-22 01:44:12,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:12,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998678953] [2022-11-22 01:44:12,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:12,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-22 01:44:12,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:12,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998678953] [2022-11-22 01:44:12,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998678953] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:44:12,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612478383] [2022-11-22 01:44:12,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:12,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:12,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:12,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:44:12,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67314b55-49dd-4627-81b1-f9bc84535c49/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:44:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:13,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 2310 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-22 01:44:13,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:13,612 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-22 01:44:13,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:44:13,876 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-22 01:44:13,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612478383] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:44:13,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1644098420] [2022-11-22 01:44:13,908 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2022-11-22 01:44:13,908 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:44:13,913 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:44:13,919 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:44:13,919 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:44:17,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:17,712 INFO L217 Elim1Store]: Index analysis took 478 ms [2022-11-22 01:44:47,669 WARN L233 SmtUtils]: Spent 29.88s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:44:47,676 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-22 01:44:47,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-11-22 01:44:51,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:51,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19307 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 987 treesize of output 1574 [2022-11-22 01:47:27,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 01:47:27,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 01:47:27,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 01:47:27,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 01:47:27,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 01:47:27,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-22 01:47:27,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-22 01:47:27,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-22 01:47:27,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 01:47:27,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 01:47:27,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 01:47:27,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 01:47:31,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:31,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:32,031 INFO L217 Elim1Store]: Index analysis took 112 ms [2022-11-22 01:47:32,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-22 01:47:33,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:33,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:33,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:33,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:33,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:33,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:33,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:33,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-22 01:47:34,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:34,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:34,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:34,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:34,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:34,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:34,950 INFO L217 Elim1Store]: Index analysis took 146 ms [2022-11-22 01:47:34,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-22 01:47:48,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:48,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:48,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:48,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:48,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:48,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:48,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:48,775 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-22 01:47:48,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-22 01:47:49,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:49,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:49,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:49,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:49,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:49,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:49,974 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-11-22 01:47:50,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-22 01:47:50,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:50,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:51,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-22 01:48:00,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:48:00,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:48:02,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:02,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-22 01:48:02,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:02,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-22 01:48:08,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:08,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-22 01:48:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:09,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-22 01:48:10,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 01:48:10,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 01:48:10,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 01:48:10,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 01:48:11,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:48:11,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:11,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 36 [2022-11-22 01:48:11,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:48:11,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:11,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-22 01:48:12,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 01:48:12,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:48:12,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 01:48:12,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:48:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:12,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-11-22 01:48:13,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:13,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 26 [2022-11-22 01:48:14,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:14,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 26 [2022-11-22 01:48:14,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:48:14,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-11-22 01:48:16,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-22 01:48:17,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 23 [2022-11-22 01:48:18,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 23 [2022-11-22 01:48:18,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-22 01:48:21,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 01:48:21,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 01:48:21,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2187 treesize of output 2183 [2022-11-22 01:48:21,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2202 treesize of output 2198 [2022-11-22 01:50:07,376 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 73 for LOIs [2022-11-22 01:50:07,397 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_init_ptr with input of size 781 for LOIs [2022-11-22 01:50:11,725 INFO L197 IcfgInterpreter]: Interpreting procedure aws_ring_buffer_is_valid with input of size 777 for LOIs [2022-11-22 01:50:58,263 INFO L197 IcfgInterpreter]: Interpreting procedure aws_ring_buffer_check_atomic_ptr with input of size 84 for LOIs [2022-11-22 01:50:58,333 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mem_acquire with input of size 1470 for LOIs [2022-11-22 01:52:06,565 INFO L197 IcfgInterpreter]: Interpreting procedure aws_allocator_is_valid with input of size 1451 for LOIs [2022-11-22 01:52:26,284 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 3261 for LOIs [2022-11-22 01:52:42,354 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 2848 for LOIs [2022-11-22 01:54:23,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 01:54:23,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 01:54:23,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-22 01:54:23,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-22 01:54:23,787 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_load_ptr with input of size 50 for LOIs [2022-11-22 01:54:23,854 INFO L197 IcfgInterpreter]: Interpreting procedure aws_atomic_priv_xlate_order with input of size 46 for LOIs [2022-11-22 01:54:23,889 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 1469 for LOIs [2022-11-22 01:55:02,501 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 1447 for LOIs [2022-11-22 01:55:04,612 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 1469 for LOIs [2022-11-22 01:55:25,026 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 45 for LOIs [2022-11-22 01:55:25,028 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:57:07,234 WARN L233 SmtUtils]: Spent 1.69m on a formula simplification. DAG size of input: 2808 DAG size of output: 2424 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)