./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_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_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/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_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/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_f3366634-ad99-4945-afaf-4201fb3e96bc/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 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 --- 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 02:42:29,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:42:29,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:42:29,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:42:29,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:42:29,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:42:29,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:42:29,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:42:29,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:42:29,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:42:29,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:42:29,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:42:29,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:42:29,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:42:29,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:42:29,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:42:29,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:42:29,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:42:29,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:42:29,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:42:29,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:42:29,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:42:29,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:42:29,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:42:29,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:42:29,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:42:29,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:42:29,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:42:29,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:42:29,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:42:29,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:42:29,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:42:29,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:42:29,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:42:29,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:42:29,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:42:29,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:42:29,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:42:29,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:42:29,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:42:29,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:42:29,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:42:29,515 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:42:29,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:42:29,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:42:29,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:42:29,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:42:29,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:42:29,516 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:42:29,517 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:42:29,517 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:42:29,517 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:42:29,517 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:42:29,517 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:42:29,518 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:42:29,518 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:42:29,518 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:42:29,518 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:42:29,518 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:42:29,519 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:42:29,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:42:29,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:42:29,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:42:29,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:42:29,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:42:29,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:42:29,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:42:29,521 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:42:29,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:42:29,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:42:29,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:42:29,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:42:29,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:42:29,522 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:42:29,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:42:29,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:42:29,522 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:42:29,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:42:29,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:42:29,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:42:29,523 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_f3366634-ad99-4945-afaf-4201fb3e96bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 [2022-11-22 02:42:29,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:42:29,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:42:29,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:42:29,792 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:42:29,793 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:42:29,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2022-11-22 02:42:32,925 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:42:33,568 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:42:33,569 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2022-11-22 02:42:33,614 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/data/afb43a7d6/1319ea8836b74f03be1d31df16c4b068/FLAG0424e6b79 [2022-11-22 02:42:33,634 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/data/afb43a7d6/1319ea8836b74f03be1d31df16c4b068 [2022-11-22 02:42:33,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:42:33,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:42:33,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:42:33,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:42:33,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:42:33,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:42:33" (1/1) ... [2022-11-22 02:42:33,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609ac8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:33, skipping insertion in model container [2022-11-22 02:42:33,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:42:33" (1/1) ... [2022-11-22 02:42:33,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:42:33,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:42:34,005 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_f3366634-ad99-4945-afaf-4201fb3e96bc/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2022-11-22 02:42:34,013 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_f3366634-ad99-4945-afaf-4201fb3e96bc/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2022-11-22 02:42:34,991 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:42:35,077 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,077 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,078 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,079 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,080 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,095 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,096 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,098 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,099 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,101 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,102 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,103 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,104 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,590 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:42:35,591 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:42:35,592 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:42:35,594 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:42:35,596 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:42:35,597 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:42:35,598 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:42:35,599 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:42:35,599 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:42:35,600 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:42:35,788 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,797 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:35,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:42:35,998 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:42:36,030 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_f3366634-ad99-4945-afaf-4201fb3e96bc/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2022-11-22 02:42:36,030 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_f3366634-ad99-4945-afaf-4201fb3e96bc/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2022-11-22 02:42:36,099 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:42:36,126 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,135 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,136 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,137 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,137 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,145 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,148 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,152 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,153 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,155 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,158 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,159 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,159 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,232 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:42:36,233 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:42:36,234 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:42:36,241 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:42:36,243 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:42:36,244 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:42:36,245 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:42:36,246 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:42:36,246 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:42:36,247 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:42:36,280 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,291 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:42:36,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:42:36,626 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:42:36,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36 WrapperNode [2022-11-22 02:42:36,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:42:36,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:42:36,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:42:36,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:42:36,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36" (1/1) ... [2022-11-22 02:42:36,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36" (1/1) ... [2022-11-22 02:42:36,811 INFO L138 Inliner]: procedures = 690, calls = 1578, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 584 [2022-11-22 02:42:36,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:42:36,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:42:36,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:42:36,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:42:36,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36" (1/1) ... [2022-11-22 02:42:36,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36" (1/1) ... [2022-11-22 02:42:36,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36" (1/1) ... [2022-11-22 02:42:36,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36" (1/1) ... [2022-11-22 02:42:36,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36" (1/1) ... [2022-11-22 02:42:36,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36" (1/1) ... [2022-11-22 02:42:36,905 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36" (1/1) ... [2022-11-22 02:42:36,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36" (1/1) ... [2022-11-22 02:42:36,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:42:36,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:42:36,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:42:36,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:42:36,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36" (1/1) ... [2022-11-22 02:42:36,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:42:36,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:42:36,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:42:37,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:42:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:42:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-22 02:42:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-22 02:42:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-22 02:42:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-22 02:42:37,038 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-22 02:42:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-22 02:42:37,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:42:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-22 02:42:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-22 02:42:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 02:42:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 02:42:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:42:37,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:42:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:42:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:42:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:42:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 02:42:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 02:42:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-22 02:42:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-22 02:42:37,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:42:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:42:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:42:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2022-11-22 02:42:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2022-11-22 02:42:37,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:42:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:42:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-22 02:42:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-22 02:42:37,044 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-22 02:42:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-22 02:42:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:42:37,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:42:37,378 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:42:37,380 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:42:38,369 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:42:38,564 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:42:38,565 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 02:42:38,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:42:38 BoogieIcfgContainer [2022-11-22 02:42:38,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:42:38,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:42:38,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:42:38,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:42:38,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:42:33" (1/3) ... [2022-11-22 02:42:38,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f2d15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:42:38, skipping insertion in model container [2022-11-22 02:42:38,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:42:36" (2/3) ... [2022-11-22 02:42:38,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f2d15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:42:38, skipping insertion in model container [2022-11-22 02:42:38,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:42:38" (3/3) ... [2022-11-22 02:42:38,587 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness.i [2022-11-22 02:42:38,607 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:42:38,607 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:42:38,676 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:42:38,687 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;@65bf0599, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:42:38,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:42:38,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 40 states have (on average 1.15) internal successors, (46), 41 states have internal predecessors, (46), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-22 02:42:38,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-22 02:42:38,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:42:38,702 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:38,703 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:42:38,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:42:38,708 INFO L85 PathProgramCache]: Analyzing trace with hash 92682918, now seen corresponding path program 1 times [2022-11-22 02:42:38,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:42:38,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333315563] [2022-11-22 02:42:38,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:42:38,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:42:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:42:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-22 02:42:39,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:42:39,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333315563] [2022-11-22 02:42:39,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333315563] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:42:39,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868495255] [2022-11-22 02:42:39,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:42:39,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:42:39,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:42:39,850 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:42:39,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:42:40,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:42:40,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:42:40,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:42:40,612 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-22 02:42:40,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:42:40,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868495255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:42:40,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:42:40,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-22 02:42:40,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890365121] [2022-11-22 02:42:40,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:42:40,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:42:40,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:42:40,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:42:40,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:42:40,677 INFO L87 Difference]: Start difference. First operand has 78 states, 40 states have (on average 1.15) internal successors, (46), 41 states have internal predecessors, (46), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 02:42:41,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:42:41,081 INFO L93 Difference]: Finished difference Result 130 states and 170 transitions. [2022-11-22 02:42:41,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:42:41,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-22 02:42:41,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:42:41,094 INFO L225 Difference]: With dead ends: 130 [2022-11-22 02:42:41,095 INFO L226 Difference]: Without dead ends: 78 [2022-11-22 02:42:41,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:42:41,102 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 17 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:42:41,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 230 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 02:42:41,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-22 02:42:41,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-22 02:42:41,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 40 states have (on average 1.125) internal successors, (45), 42 states have internal predecessors, (45), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2022-11-22 02:42:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2022-11-22 02:42:41,152 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 47 [2022-11-22 02:42:41,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:42:41,153 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2022-11-22 02:42:41,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 02:42:41,154 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2022-11-22 02:42:41,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-22 02:42:41,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:42:41,157 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:42:41,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:42:41,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:42:41,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:42:41,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:42:41,367 INFO L85 PathProgramCache]: Analyzing trace with hash 278143664, now seen corresponding path program 1 times [2022-11-22 02:42:41,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:42:41,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461297356] [2022-11-22 02:42:41,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:42:41,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:42:41,489 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:42:41,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [877589487] [2022-11-22 02:42:41,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:42:41,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:42:41,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:42:41,503 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:42:41,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 02:42:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:42:42,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 02:42:42,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:42:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-22 02:42:42,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:42:42,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:42:42,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461297356] [2022-11-22 02:42:42,191 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:42:42,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877589487] [2022-11-22 02:42:42,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877589487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:42:42,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:42:42,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 02:42:42,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352197273] [2022-11-22 02:42:42,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:42:42,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 02:42:42,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:42:42,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 02:42:42,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:42:42,195 INFO L87 Difference]: Start difference. First operand 78 states and 96 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-22 02:42:42,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:42:42,648 INFO L93 Difference]: Finished difference Result 123 states and 149 transitions. [2022-11-22 02:42:42,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 02:42:42,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 56 [2022-11-22 02:42:42,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:42:42,650 INFO L225 Difference]: With dead ends: 123 [2022-11-22 02:42:42,651 INFO L226 Difference]: Without dead ends: 76 [2022-11-22 02:42:42,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:42:42,653 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 21 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:42:42,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 334 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 02:42:42,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-22 02:42:42,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-22 02:42:42,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-22 02:42:42,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2022-11-22 02:42:42,670 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 56 [2022-11-22 02:42:42,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:42:42,671 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2022-11-22 02:42:42,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-22 02:42:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2022-11-22 02:42:42,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-22 02:42:42,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:42:42,678 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:42,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:42:42,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:42:42,888 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:42:42,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:42:42,889 INFO L85 PathProgramCache]: Analyzing trace with hash 262676056, now seen corresponding path program 1 times [2022-11-22 02:42:42,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:42:42,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337257145] [2022-11-22 02:42:42,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:42:42,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:42:43,010 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:42:43,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [651797566] [2022-11-22 02:42:43,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:42:43,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:42:43,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:42:43,019 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:42:43,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3366634-ad99-4945-afaf-4201fb3e96bc/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:42:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:42:43,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 296 conjunts are in the unsatisfiable core [2022-11-22 02:42:43,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:42:43,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-22 02:42:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:44,438 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 02:42:44,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:44,450 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 02:42:44,984 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 6 treesize of output 5 [2022-11-22 02:42:46,443 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-22 02:42:46,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 37 [2022-11-22 02:42:46,457 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 16 treesize of output 18 [2022-11-22 02:42:46,470 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 16 treesize of output 18 [2022-11-22 02:42:46,936 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 02:42:46,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-22 02:42:48,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:48,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:48,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:48,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 185 [2022-11-22 02:42:48,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:48,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 121 [2022-11-22 02:42:48,834 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:42:48,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 96 [2022-11-22 02:42:48,935 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-22 02:42:48,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 111 [2022-11-22 02:42:51,222 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 101 treesize of output 81 [2022-11-22 02:42:51,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-11-22 02:42:51,306 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-22 02:42:51,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 81 [2022-11-22 02:42:51,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-11-22 02:42:51,395 INFO L321 Elim1Store]: treesize reduction 39, result has 7.1 percent of original size [2022-11-22 02:42:51,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 101 treesize of output 79 [2022-11-22 02:42:51,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:51,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:51,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:51,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 54 [2022-11-22 02:42:52,397 INFO L321 Elim1Store]: treesize reduction 25, result has 26.5 percent of original size [2022-11-22 02:42:52,398 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 2 case distinctions, treesize of input 38 treesize of output 30 [2022-11-22 02:42:52,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-22 02:42:52,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2022-11-22 02:42:52,553 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-22 02:42:52,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2022-11-22 02:42:52,593 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:42:53,203 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-22 02:42:53,204 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 2 case distinctions, treesize of input 25 treesize of output 9 [2022-11-22 02:42:55,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2022-11-22 02:42:55,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-22 02:42:59,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:59,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:59,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:42:59,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 65 [2022-11-22 02:42:59,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 02:43:27,065 INFO L321 Elim1Store]: treesize reduction 54, result has 28.9 percent of original size [2022-11-22 02:43:27,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 308 treesize of output 376 [2022-11-22 02:43:27,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 263 [2022-11-22 02:43:27,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 239 [2022-11-22 02:43:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-22 02:43:27,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:43:45,798 WARN L233 SmtUtils]: Spent 17.45s on a formula simplification that was a NOOP. DAG size: 225 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:43:51,461 WARN L233 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 173 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:44:23,085 WARN L233 SmtUtils]: Spent 31.57s on a formula simplification. DAG size of input: 396 DAG size of output: 193 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:44:43,270 WARN L233 SmtUtils]: Spent 20.18s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 02:45:26,040 WARN L233 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 74 DAG size of output: 61 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:45:26,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:26,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337257145] [2022-11-22 02:45:26,044 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:45:26,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651797566] [2022-11-22 02:45:26,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651797566] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:45:26,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [782202431] [2022-11-22 02:45:26,072 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2022-11-22 02:45:26,072 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:45:26,076 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:45:26,082 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:45:26,082 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:45:29,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:45:29,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:45:29,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:45:29,796 INFO L217 Elim1Store]: Index analysis took 578 ms [2022-11-22 02:45:47,880 WARN L233 SmtUtils]: Spent 18.03s on a formula simplification. DAG size of input: 1740 DAG size of output: 1157 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 02:45:47,884 INFO L321 Elim1Store]: treesize reduction 1938, result has 47.2 percent of original size [2022-11-22 02:45:47,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19114 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 193 case distinctions, treesize of input 987 treesize of output 2338 [2022-11-22 02:45:51,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:45:51,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:45:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:45:52,195 INFO L217 Elim1Store]: Index analysis took 855 ms [2022-11-22 02:46:22,078 WARN L233 SmtUtils]: Spent 29.82s on a formula simplification. DAG size of input: 2128 DAG size of output: 1161 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 02:46:22,081 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-11-22 02:46:22,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19310 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 386 case distinctions, treesize of input 997 treesize of output 2357 [2022-11-22 02:48:40,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 02:48:41,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:48:41,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,501 INFO L217 Elim1Store]: Index analysis took 138 ms [2022-11-22 02:48:41,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:48:41,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:41,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:48:41,687 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-22 02:48:41,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 196 select indices, 196 select index equivalence classes, 17055 disjoint index pairs (out of 19110 index pairs), introduced 195 new quantified variables, introduced 28 case distinctions, treesize of input 1795 treesize of output 2363 [2022-11-22 02:48:44,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:44,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:44,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:44,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:44,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:48:44,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:44,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:44,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:44,855 INFO L217 Elim1Store]: Index analysis took 130 ms [2022-11-22 02:48:44,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 196 select indices, 196 select index equivalence classes, 17052 disjoint index pairs (out of 19110 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1795 treesize of output 2363 [2022-11-22 02:48:48,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:48:48,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:48:48,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 57 select indices, 57 select index equivalence classes, 1247 disjoint index pairs (out of 1596 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 681 treesize of output 804 [2022-11-22 02:48:59,623 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 02:48:59,642 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 6 treesize of output 5 [2022-11-22 02:48:59,675 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 6 treesize of output 5 [2022-11-22 02:48:59,680 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 02:48:59,719 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 02:48:59,730 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 02:48:59,736 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 02:48:59,744 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 02:48:59,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:48:59,781 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:48:59,827 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:48:59,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-22 02:48:59,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:48:59,901 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:48:59,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-22 02:48:59,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:48:59,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-22 02:49:03,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,170 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:49:03,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 1249 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 6 case distinctions, treesize of input 666 treesize of output 314 [2022-11-22 02:49:03,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,748 INFO L217 Elim1Store]: Index analysis took 130 ms [2022-11-22 02:49:03,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:49:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:03,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:49:03,837 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-22 02:49:03,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1774 treesize of output 610 [2022-11-22 02:49:04,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:04,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:04,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:04,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19309 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 02:49:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:04,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:04,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:04,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 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 02:49:05,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:05,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:05,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:05,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:05,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:05,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:05,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:05,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17052 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-22 02:49:15,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:15,688 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:49:15,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 1249 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 6 case distinctions, treesize of input 666 treesize of output 314 [2022-11-22 02:49:16,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,192 INFO L217 Elim1Store]: Index analysis took 103 ms [2022-11-22 02:49:16,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:49:16,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:16,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:49:16,268 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-22 02:49:16,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-22 02:49:17,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:17,400 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:49:17,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19305 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 2 case distinctions, treesize of input 986 treesize of output 592 [2022-11-22 02:49:17,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:17,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:17,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:17,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:17,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:17,986 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-11-22 02:49:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:18,000 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:49:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:18,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:18,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:18,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:18,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:49:18,078 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-22 02:49:18,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1774 treesize of output 610 [2022-11-22 02:49:18,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:18,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:18,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:49:18,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 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 02:49:19,583 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 02:49:19,595 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 6 treesize of output 5 [2022-11-22 02:50:01,091 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_clear with input of size 115 for LOIs [2022-11-22 02:50:01,528 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 02:50:01,539 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 41 treesize of output 25 [2022-11-22 02:50:01,550 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 41 treesize of output 25 [2022-11-22 02:50:01,561 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 02:50:01,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-22 02:50:01,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-22 02:50:01,673 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:50:01,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-22 02:50:01,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-22 02:50:01,725 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:50:02,852 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-11-22 02:50:02,864 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-11-22 02:50:10,746 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-11-22 02:50:10,749 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 76 for LOIs [2022-11-22 02:50:10,798 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 02:50:10,820 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 6 treesize of output 5 [2022-11-22 02:50:10,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:50:10,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:50:10,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:50:10,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:50:10,991 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:50:10,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-22 02:50:11,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:50:11,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:50:11,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:50:11,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:50:11,201 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:50:11,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-22 02:50:11,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-22 02:50:11,561 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2819 for LOIs [2022-11-22 02:50:15,187 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 139 for LOIs [2022-11-22 02:50:15,609 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 02:50:15,617 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 02:50:15,629 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 02:50:15,637 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 02:50:15,733 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 125 for LOIs [2022-11-22 02:50:15,795 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:52:48,572 WARN L233 SmtUtils]: Spent 2.47m on a formula simplification. DAG size of input: 2815 DAG size of output: 2431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:55:36,543 WARN L233 SmtUtils]: Spent 2.73m on a formula simplification. DAG size of input: 2819 DAG size of output: 2435 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)