./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI --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 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- 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-5e519f3 [2022-11-03 03:33:34,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:33:34,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:33:34,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:33:34,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:33:34,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:33:34,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:33:34,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:33:34,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:33:34,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:33:34,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:33:34,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:33:34,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:33:34,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:33:34,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:33:34,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:33:34,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:33:34,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:33:34,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:33:34,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:33:34,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:33:34,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:33:34,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:33:34,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:33:34,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:33:34,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:33:34,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:33:34,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:33:34,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:33:34,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:33:34,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:33:34,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:33:34,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:33:34,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:33:34,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:33:34,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:33:34,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:33:34,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:33:34,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:33:34,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:33:34,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:33:34,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:33:34,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:33:34,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:33:34,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:33:34,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:33:34,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:33:34,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:33:34,645 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:33:34,646 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:33:34,646 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:33:34,646 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:33:34,646 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:33:34,647 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:33:34,647 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:33:34,647 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:33:34,647 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:33:34,648 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:33:34,648 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:33:34,648 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:33:34,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:33:34,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:33:34,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:33:34,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:33:34,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:33:34,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:33:34,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:33:34,651 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:33:34,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:33:34,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:33:34,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:33:34,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:33:34,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:33:34,653 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:33:34,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:33:34,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:33:34,657 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:33:34,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:33:34,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:33:34,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:33:34,660 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_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-11-03 03:33:35,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:33:35,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:33:35,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:33:35,026 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:33:35,027 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:33:35,028 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-03 03:33:35,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/data/ba6e76fae/61ea12872a834b27aa10ac4e7d64e8b0/FLAG4ff5e17b7 [2022-11-03 03:33:35,920 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:33:35,920 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-03 03:33:35,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/data/ba6e76fae/61ea12872a834b27aa10ac4e7d64e8b0/FLAG4ff5e17b7 [2022-11-03 03:33:36,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/data/ba6e76fae/61ea12872a834b27aa10ac4e7d64e8b0 [2022-11-03 03:33:36,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:33:36,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:33:36,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:33:36,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:33:36,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:33:36,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:33:36" (1/1) ... [2022-11-03 03:33:36,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f6ebdbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:36, skipping insertion in model container [2022-11-03 03:33:36,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:33:36" (1/1) ... [2022-11-03 03:33:36,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:33:36,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:33:36,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-03 03:33:36,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-03 03:33:37,445 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:33:37,518 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,518 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,519 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,520 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,521 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,536 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,542 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,544 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,545 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,547 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,548 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,549 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,549 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:37,909 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:33:37,910 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:33:37,911 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:33:37,913 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:33:37,914 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:33:37,915 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:33:37,916 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:33:37,917 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:33:37,918 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:33:37,919 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:33:38,116 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,133 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:33:38,183 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:33:38,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-03 03:33:38,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-03 03:33:38,308 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:33:38,337 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,340 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,341 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,341 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,344 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,354 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,355 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,358 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,359 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,360 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,360 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,365 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,365 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,407 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:33:38,408 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:33:38,409 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:33:38,409 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:33:38,410 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:33:38,411 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:33:38,411 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:33:38,412 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:33:38,413 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:33:38,413 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:33:38,439 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,444 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:33:38,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:33:38,692 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:33:38,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38 WrapperNode [2022-11-03 03:33:38,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:33:38,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:33:38,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:33:38,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:33:38,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38" (1/1) ... [2022-11-03 03:33:38,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38" (1/1) ... [2022-11-03 03:33:38,877 INFO L138 Inliner]: procedures = 681, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 158 [2022-11-03 03:33:38,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:33:38,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:33:38,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:33:38,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:33:38,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38" (1/1) ... [2022-11-03 03:33:38,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38" (1/1) ... [2022-11-03 03:33:38,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38" (1/1) ... [2022-11-03 03:33:38,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38" (1/1) ... [2022-11-03 03:33:38,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38" (1/1) ... [2022-11-03 03:33:38,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38" (1/1) ... [2022-11-03 03:33:38,945 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38" (1/1) ... [2022-11-03 03:33:38,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38" (1/1) ... [2022-11-03 03:33:38,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:33:38,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:33:38,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:33:38,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:33:38,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38" (1/1) ... [2022-11-03 03:33:38,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:33:39,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:39,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:33:39,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:33:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:33:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-03 03:33:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-03 03:33:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:33:39,061 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 03:33:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 03:33:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 03:33:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 03:33:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:33:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:33:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:33:39,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:33:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:33:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 03:33:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 03:33:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-03 03:33:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-03 03:33:39,063 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-03 03:33:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-03 03:33:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:33:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:33:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:33:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:33:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:33:39,064 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-03 03:33:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-03 03:33:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-03 03:33:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-03 03:33:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:33:39,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:33:39,329 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:33:39,331 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:33:39,834 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:33:39,917 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:33:39,917 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:33:39,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:33:39 BoogieIcfgContainer [2022-11-03 03:33:39,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:33:39,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:33:39,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:33:39,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:33:39,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:33:36" (1/3) ... [2022-11-03 03:33:39,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670c727b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:33:39, skipping insertion in model container [2022-11-03 03:33:39,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:33:38" (2/3) ... [2022-11-03 03:33:39,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670c727b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:33:39, skipping insertion in model container [2022-11-03 03:33:39,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:33:39" (3/3) ... [2022-11-03 03:33:39,936 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-11-03 03:33:39,959 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:33:39,960 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:33:40,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:33:40,054 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;@501cf36c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:33:40,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:33:40,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 45 states have internal predecessors, (51), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-03 03:33:40,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-03 03:33:40,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:40,071 INFO L195 NwaCegarLoop]: trace histogram [9, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:33:40,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:40,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:40,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1663978418, now seen corresponding path program 1 times [2022-11-03 03:33:40,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:40,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111748329] [2022-11-03 03:33:40,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:40,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:40,352 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:33:40,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1836436902] [2022-11-03 03:33:40,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:40,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:40,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:40,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:33:40,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:33:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:40,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:33:40,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:33:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-03 03:33:40,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:33:40,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:33:40,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111748329] [2022-11-03 03:33:40,872 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:33:40,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836436902] [2022-11-03 03:33:40,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836436902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:33:40,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:33:40,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:33:40,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772010319] [2022-11-03 03:33:40,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:33:40,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:33:40,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:33:40,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:33:40,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:33:40,924 INFO L87 Difference]: Start difference. First operand has 85 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 45 states have internal predecessors, (51), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-03 03:33:41,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:33:41,244 INFO L93 Difference]: Finished difference Result 145 states and 194 transitions. [2022-11-03 03:33:41,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:33:41,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 65 [2022-11-03 03:33:41,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:33:41,265 INFO L225 Difference]: With dead ends: 145 [2022-11-03 03:33:41,265 INFO L226 Difference]: Without dead ends: 80 [2022-11-03 03:33:41,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:33:41,273 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 35 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:33:41,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 355 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:33:41,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-03 03:33:41,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-03 03:33:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-11-03 03:33:41,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-11-03 03:33:41,348 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 65 [2022-11-03 03:33:41,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:33:41,377 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-11-03 03:33:41,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-03 03:33:41,377 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-11-03 03:33:41,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-03 03:33:41,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:33:41,380 INFO L195 NwaCegarLoop]: trace histogram [9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:33:41,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:33:41,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-03 03:33:41,590 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:33:41,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:33:41,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1491149490, now seen corresponding path program 1 times [2022-11-03 03:33:41,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:33:41,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151177102] [2022-11-03 03:33:41,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:41,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:33:41,701 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:33:41,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1032261109] [2022-11-03 03:33:41,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:33:41,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:33:41,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:33:41,706 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:33:41,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:33:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:33:42,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 123 conjunts are in the unsatisfiable core [2022-11-03 03:33:42,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:33:42,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 32 [2022-11-03 03:33:42,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 03:33:54,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 106 [2022-11-03 03:33:57,698 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 187 [2022-11-03 03:33:57,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 124 treesize of output 145 [2022-11-03 03:33:57,976 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-03 03:33:57,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:34:03,121 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2022-11-03 03:34:05,801 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 8)) (.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 16 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))) (and (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| Int) (|v_aws_mul_size_checked_#in~r#1.base_7| Int)) (let ((.cse0 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse2))) (<= (mod .cse0 18446744073709551616) (mod (select (select (store |c_#memory_int| |v_aws_mul_size_checked_#in~r#1.base_7| (store (select |c_#memory_int| |v_aws_mul_size_checked_#in~r#1.base_7|) 0 .cse0)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) .cse1) 18446744073709551616)))) (forall ((v_ArrVal_281 Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| Int) (|v_aws_mul_size_checked_#in~r#1.base_7| Int)) (or (= (mod (select (select (store |c_#memory_int| |v_aws_mul_size_checked_#in~r#1.base_7| (store (select |c_#memory_int| |v_aws_mul_size_checked_#in~r#1.base_7|) 0 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse2))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) .cse1) 18446744073709551616) 0) (not (= (select (select (store |c_#memory_$Pointer$.base| |v_aws_mul_size_checked_#in~r#1.base_7| (store (select |c_#memory_$Pointer$.base| |v_aws_mul_size_checked_#in~r#1.base_7|) 0 v_ArrVal_281)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ 32 |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) 0)))) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| Int) (|v_aws_mul_size_checked_#in~r#1.base_7| Int)) (not (= (mod (select (select (store |c_#memory_int| |v_aws_mul_size_checked_#in~r#1.base_7| (store (select |c_#memory_int| |v_aws_mul_size_checked_#in~r#1.base_7|) 0 (* |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse2))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|) (+ |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| 24)) 18446744073709551616) 0))))) is different from false [2022-11-03 03:34:05,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:34:05,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151177102] [2022-11-03 03:34:05,807 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:34:05,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032261109] [2022-11-03 03:34:05,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032261109] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:34:05,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1167749910] [2022-11-03 03:34:05,835 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-03 03:34:05,835 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:34:05,840 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:34:05,845 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:34:05,846 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:34:05,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:05,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:05,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:06,073 INFO L356 Elim1Store]: treesize reduction 89, result has 38.2 percent of original size [2022-11-03 03:34:06,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 80 [2022-11-03 03:34:06,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:06,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:06,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:06,295 INFO L356 Elim1Store]: treesize reduction 154, result has 26.0 percent of original size [2022-11-03 03:34:06,295 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 54 treesize of output 97 [2022-11-03 03:34:06,821 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:34:06,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 03:34:06,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 03:34:06,887 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:34:06,898 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:34:06,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:34:06,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:06,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:06,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:06,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:06,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:06,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:06,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:06,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:34:06,995 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-03 03:34:06,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 22 [2022-11-03 03:34:07,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:34:07,049 INFO L356 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-03 03:34:07,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 26 [2022-11-03 03:34:07,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,081 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 24 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2022-11-03 03:34:07,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-11-03 03:34:07,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:34:07,310 INFO L356 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-03 03:34:07,311 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 26 [2022-11-03 03:34:07,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,336 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 24 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2022-11-03 03:34:07,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 22 [2022-11-03 03:34:07,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,391 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 29 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-11-03 03:34:07,622 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 03:34:07,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:34:07,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:07,682 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:07,783 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:07,806 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:07,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:07,887 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 17 [2022-11-03 03:34:08,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:34:08,018 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 18 treesize of output 20 [2022-11-03 03:34:09,304 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:34:09,320 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:34:09,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:34:09,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:34:09,536 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 03:34:09,558 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 03:34:09,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 03:34:09,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 03:34:10,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-11-03 03:34:10,699 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-11-03 03:34:10,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-03 03:34:10,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 273 [2022-11-03 03:34:10,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-11-03 03:34:11,094 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:34:11,101 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 03:34:11,140 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:11,168 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:34:11,168 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:11,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:11,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:11,241 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:34:11,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:11,250 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:11,378 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:11,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 252 [2022-11-03 03:34:11,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:11,502 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:11,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:11,544 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:11,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-03 03:34:11,697 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-03 03:34:12,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 252 [2022-11-03 03:34:12,075 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:12,091 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:12,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:34:12,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-03 03:34:12,163 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-03 03:34:13,504 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 13 for LOIs [2022-11-03 03:34:13,510 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 128 for LOIs [2022-11-03 03:34:13,797 INFO L356 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-03 03:34:13,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 344 treesize of output 365 [2022-11-03 03:34:13,992 INFO L356 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2022-11-03 03:34:13,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 345 treesize of output 372 [2022-11-03 03:34:14,825 INFO L356 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2022-11-03 03:34:14,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 349 treesize of output 376 [2022-11-03 03:34:14,983 INFO L356 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-03 03:34:14,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 340 treesize of output 361 [2022-11-03 03:34:16,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:34:16,699 INFO L356 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-03 03:34:16,700 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 344 treesize of output 365 [2022-11-03 03:34:16,863 INFO L356 Elim1Store]: treesize reduction 28, result has 55.6 percent of original size [2022-11-03 03:34:16,864 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 345 treesize of output 372 [2022-11-03 03:34:21,848 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 31 for LOIs [2022-11-03 03:34:22,009 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:34:22,021 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 03:34:22,033 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:34:22,044 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:34:22,109 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 19 for LOIs [2022-11-03 03:34:22,117 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 81 for LOIs [2022-11-03 03:34:22,260 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 13 for LOIs [2022-11-03 03:34:22,262 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:35:02,208 WARN L234 SmtUtils]: Spent 12.37s on a formula simplification. DAG size of input: 102 DAG size of output: 96 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:35:25,390 WARN L234 SmtUtils]: Spent 20.88s on a formula simplification. DAG size of input: 133 DAG size of output: 125 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:36:22,294 WARN L234 SmtUtils]: Spent 41.34s on a formula simplification. DAG size of input: 143 DAG size of output: 120 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:36:24,307 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (select (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base|) |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.offset|))) (let ((.cse0 (mod .cse3 18446744073709551616))) (and (not (= (mod (ite (= (ite (<= .cse0 36028797018963967) 1 0) 0) 0 1) 256) 0)) (< 0 |c_#StackHeapBarrier|) (= 9 (select |c_#length| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.base|)) (= |c_ULTIMATE.start_aws_array_list_init_static_~raw_array#1.offset| |c_ULTIMATE.start_aws_array_list_init_static_#in~raw_array#1.offset|) (= (select |c_#valid| |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.base|) 1) (= |c_ULTIMATE.start_save_byte_from_array_~array#1.offset| |c_ULTIMATE.start_save_byte_from_array_#in~array#1.offset|) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.base| |c_ULTIMATE.start_aws_array_list_init_static_#in~list#1.base|) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.offset| |c_ULTIMATE.start_aws_array_list_init_static_#in~raw_array#1.offset|) (= 5 |c_~#s_can_fail_allocator_static~0.base|) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.offset| 0) (= |c_ULTIMATE.start_aws_array_list_init_static_~raw_array#1.base| |c_ULTIMATE.start_aws_array_list_init_static_#in~raw_array#1.base|) (= |c_#NULL.offset| 0) (= |c_ULTIMATE.start_save_byte_from_array_~array#1.base| |c_ULTIMATE.start_save_byte_from_array_#in~array#1.base|) (= |c_ULTIMATE.start_aws_array_list_init_static_#in~list#1.offset| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.offset|) (= |c_ULTIMATE.start_aws_array_list_init_static_#in~list#1.offset| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|) (not (= 2 |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.base|)) (= |c_ULTIMATE.start_save_byte_from_array_#in~storage#1.base| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.base|) (not (= (mod (ite (= (ite (let ((.cse1 (mod |c_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1| 18446744073709551616))) (and (<= .cse1 2) (< 0 .cse1))) 1 0) 0) 0 1) 256) 0)) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.offset| 0) (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base| 0)) (= |c_ULTIMATE.start_aws_array_list_init_static_~item_size#1| |c_ULTIMATE.start_aws_array_list_init_static_#in~item_size#1|) (= |c_ULTIMATE.start_save_byte_from_array_#in~storage#1.offset| |c_ULTIMATE.start_save_byte_from_array_~storage#1.offset|) (= (select |c_#length| |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.base|) .cse0) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base|) (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base| 3)) (not (= (mod (ite (= (ite (let ((.cse2 (mod |c_ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| 18446744073709551616))) (and (< 0 .cse2) (<= .cse2 9223372036854775808))) 1 0) 0) 0 1) 256) 0)) (= |c_ULTIMATE.start_save_byte_from_array_#in~size#1| .cse3) (= .cse3 (* |c_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1| |c_ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1|)) (= |c_ULTIMATE.start_save_byte_from_array_#in~array#1.offset| |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.offset|) (= |c_#NULL.base| 0) (= |c_ULTIMATE.start_aws_array_list_init_static_~item_count#1| |c_ULTIMATE.start_aws_array_list_init_static_#in~item_count#1|) (= |c_ULTIMATE.start_save_byte_from_array_#in~array#1.base| |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.base|) (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.base|)) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1| |c_ULTIMATE.start_aws_array_list_init_static_#in~item_size#1|) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.base|) (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base| 2)) (= (select |c_#valid| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.base|) 1) (< |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.base| |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base|) (= |c_ULTIMATE.start_save_byte_from_array_~size#1| |c_ULTIMATE.start_save_byte_from_array_#in~size#1|) (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.base| 4)) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.offset| 0) (= |c_ULTIMATE.start_aws_array_list_init_static_#in~raw_array#1.base| |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.base|) (<= 0 |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.base|) (= |c_ULTIMATE.start_save_byte_from_array_#in~storage#1.base| |c_ULTIMATE.start_save_byte_from_array_~storage#1.base|) (= |c_~#s_can_fail_allocator_static~0.offset| 0) (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~raw_array~0#1.base| 0)) (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.base| 0)) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.offset| 0) (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base| 5)) (not (= 3 |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.base|)) (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base| 4)) (< |c_#StackHeapBarrier| |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.base|) (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.base| 0)) (= |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base| |c_ULTIMATE.start_aws_array_list_init_static_#in~list#1.base|) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#old_byte~0#1.offset| |c_ULTIMATE.start_save_byte_from_array_#in~storage#1.offset|) (or (and (= |c_ULTIMATE.start_save_byte_from_array_~array#1.offset| 0) (= |c_ULTIMATE.start_save_byte_from_array_~array#1.base| 0)) (and (= |c_ULTIMATE.start_save_byte_from_array_~storage#1.offset| 0) (= |c_ULTIMATE.start_save_byte_from_array_~storage#1.base| 0)) (not (< 0 (mod |c_ULTIMATE.start_save_byte_from_array_~size#1| 18446744073709551616)))) (not (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~#list~0#1.base| |c_~#s_can_fail_allocator_static~0.base|)) (= |c_ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| |c_ULTIMATE.start_aws_array_list_init_static_#in~item_count#1|)))) is different from false [2022-11-03 03:37:00,058 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '886#(and (= (mod __VERIFIER_assert_~cond 256) 0) (= |~#s_can_fail_allocator_static~0.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= |#NULL.offset| 0) (= 5 |~#s_can_fail_allocator_static~0.base|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-11-03 03:37:00,058 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:37:00,058 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:37:00,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2022-11-03 03:37:00,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136532883] [2022-11-03 03:37:00,058 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-03 03:37:00,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-03 03:37:00,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:37:00,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-03 03:37:00,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=3751, Unknown=16, NotChecked=250, Total=4290 [2022-11-03 03:37:00,062 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 24 states, 16 states have (on average 1.8125) internal successors, (29), 19 states have internal predecessors, (29), 9 states have call successors, (17), 3 states have call predecessors, (17), 6 states have return successors, (16), 9 states have call predecessors, (16), 8 states have call successors, (16) [2022-11-03 03:37:03,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:03,278 INFO L93 Difference]: Finished difference Result 144 states and 199 transitions. [2022-11-03 03:37:03,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-03 03:37:03,280 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 16 states have (on average 1.8125) internal successors, (29), 19 states have internal predecessors, (29), 9 states have call successors, (17), 3 states have call predecessors, (17), 6 states have return successors, (16), 9 states have call predecessors, (16), 8 states have call successors, (16) Word has length 74 [2022-11-03 03:37:03,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:03,290 INFO L225 Difference]: With dead ends: 144 [2022-11-03 03:37:03,290 INFO L226 Difference]: Without dead ends: 142 [2022-11-03 03:37:03,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1358 ImplicationChecksByTransitivity, 175.3s TimeCoverageRelationStatistics Valid=322, Invalid=4782, Unknown=16, NotChecked=282, Total=5402 [2022-11-03 03:37:03,293 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 95 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 477 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:03,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 928 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1528 Invalid, 0 Unknown, 477 Unchecked, 2.1s Time] [2022-11-03 03:37:03,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-03 03:37:03,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 90. [2022-11-03 03:37:03,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 49 states have internal predecessors, (51), 31 states have call successors, (31), 10 states have call predecessors, (31), 11 states have return successors, (34), 30 states have call predecessors, (34), 29 states have call successors, (34) [2022-11-03 03:37:03,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 116 transitions. [2022-11-03 03:37:03,341 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 116 transitions. Word has length 74 [2022-11-03 03:37:03,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:03,344 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 116 transitions. [2022-11-03 03:37:03,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 16 states have (on average 1.8125) internal successors, (29), 19 states have internal predecessors, (29), 9 states have call successors, (17), 3 states have call predecessors, (17), 6 states have return successors, (16), 9 states have call predecessors, (16), 8 states have call successors, (16) [2022-11-03 03:37:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2022-11-03 03:37:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-03 03:37:03,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:03,357 INFO L195 NwaCegarLoop]: trace histogram [9, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:03,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-03 03:37:03,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-03 03:37:03,570 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:03,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:03,571 INFO L85 PathProgramCache]: Analyzing trace with hash 2094784371, now seen corresponding path program 1 times [2022-11-03 03:37:03,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:37:03,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64498560] [2022-11-03 03:37:03,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:03,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:37:03,652 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:37:03,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1496934999] [2022-11-03 03:37:03,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:03,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:37:03,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:37:03,662 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:37:03,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:37:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:37:04,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 03:37:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:37:04,909 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 03:37:04,922 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 03:37:04,923 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:37:04,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:05,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:37:05,128 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-03 03:37:05,132 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:37:05,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:37:05 BoogieIcfgContainer [2022-11-03 03:37:05,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:37:05,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:37:05,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:37:05,207 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:37:05,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:33:39" (3/4) ... [2022-11-03 03:37:05,211 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 03:37:05,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:37:05,211 INFO L158 Benchmark]: Toolchain (without parser) took 209118.21ms. Allocated memory was 98.6MB in the beginning and 371.2MB in the end (delta: 272.6MB). Free memory was 52.0MB in the beginning and 136.2MB in the end (delta: -84.1MB). Peak memory consumption was 187.8MB. Max. memory is 16.1GB. [2022-11-03 03:37:05,212 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:37:05,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2598.56ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 51.8MB in the beginning and 53.9MB in the end (delta: -2.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2022-11-03 03:37:05,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.21ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 53.9MB in the beginning and 124.8MB in the end (delta: -70.8MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2022-11-03 03:37:05,213 INFO L158 Benchmark]: Boogie Preprocessor took 83.97ms. Allocated memory is still 169.9MB. Free memory was 124.8MB in the beginning and 121.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:37:05,213 INFO L158 Benchmark]: RCFGBuilder took 957.58ms. Allocated memory is still 169.9MB. Free memory was 121.8MB in the beginning and 82.8MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-03 03:37:05,213 INFO L158 Benchmark]: TraceAbstraction took 205283.15ms. Allocated memory was 169.9MB in the beginning and 371.2MB in the end (delta: 201.3MB). Free memory was 81.9MB in the beginning and 136.2MB in the end (delta: -54.3MB). Peak memory consumption was 146.8MB. Max. memory is 16.1GB. [2022-11-03 03:37:05,214 INFO L158 Benchmark]: Witness Printer took 4.54ms. Allocated memory is still 371.2MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:37:05,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2598.56ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 51.8MB in the beginning and 53.9MB in the end (delta: -2.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.21ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 53.9MB in the beginning and 124.8MB in the end (delta: -70.8MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.97ms. Allocated memory is still 169.9MB. Free memory was 124.8MB in the beginning and 121.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 957.58ms. Allocated memory is still 169.9MB. Free memory was 121.8MB in the beginning and 82.8MB in the end (delta: 38.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 205283.15ms. Allocated memory was 169.9MB in the beginning and 371.2MB in the end (delta: 201.3MB). Free memory was 81.9MB in the beginning and 136.2MB in the end (delta: -54.3MB). Peak memory consumption was 146.8MB. Max. memory is 16.1GB. * Witness Printer took 4.54ms. Allocated memory is still 371.2MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of __builtin_umull_overflow at line 255. Possible FailurePath: [L2762-L2767] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7359] static __thread int tl_last_error = 0; [L7617] CALL aws_array_list_init_static_harness() [L7586] struct aws_array_list list = {0, __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), 0}; [L7589] size_t item_size; [L7590] size_t initial_item_allocation; [L7591] size_t len; VAL [len={10:0}, list={11:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7594] CALL assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7594] RET assume_abort_if_not(initial_item_allocation > 0 && initial_item_allocation <= 9223372036854775808U) VAL [initial_item_allocation=9223372036854775808, len={10:0}, list={11:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7595] CALL assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7595] RET assume_abort_if_not(item_size > 0 && item_size <= 2) VAL [initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={11:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] CALL, EXPR aws_mul_size_checked(initial_item_allocation, item_size, &len) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=0, a=9223372036854775808, b=2, r={10:0}, r={10:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, r={10:0}, r={10:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L7596] RET, EXPR aws_mul_size_checked(initial_item_allocation, item_size, &len) VAL [aws_mul_size_checked(initial_item_allocation, item_size, &len)=0, initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={11:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7596] CALL assume_abort_if_not(!aws_mul_size_checked(initial_item_allocation, item_size, &len)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L7596] RET assume_abort_if_not(!aws_mul_size_checked(initial_item_allocation, item_size, &len)) VAL [aws_mul_size_checked(initial_item_allocation, item_size, &len)=0, initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={11:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] EXPR \read(len) VAL [\read(len)=-18446744073709551616, initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={11:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] CALL, EXPR bounded_malloc(len) VAL [\old(size)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2779-L2781] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L2779-L2781] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=0, s_can_fail_allocator_static={5:0}, size=0, tl_last_error=0] [L2782] return malloc(size); [L7599] RET, EXPR bounded_malloc(len) VAL [\read(len)=-18446744073709551616, bounded_malloc(len)={6:0}, initial_item_allocation=9223372036854775808, item_size=2, len={10:0}, list={11:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L7599] uint8_t *raw_array = bounded_malloc(len); [L7600] struct store_byte_from_buffer old_byte; [L7601] EXPR \read(len) [L7601] CALL save_byte_from_array(raw_array, len, &old_byte) [L7183] COND FALSE !(size > 0 && array && storage) VAL [\old(size)=0, array={6:0}, array={6:0}, s_can_fail_allocator_static={5:0}, size=0, storage={14:0}, storage={14:0}, tl_last_error=0] [L7601] RET save_byte_from_array(raw_array, len, &old_byte) [L7603] CALL aws_array_list_init_static(&list, raw_array, initial_item_allocation, item_size) [L3237-L3239] CALL assume_abort_if_not((list != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L3237-L3239] RET assume_abort_if_not((list != ((void *)0) )) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={11:0}, list={11:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3240-L3242] CALL assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L3240-L3242] RET assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={11:0}, list={11:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3243] CALL assume_abort_if_not((item_count > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L3243] RET assume_abort_if_not((item_count > 0)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={11:0}, list={11:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3244] CALL assume_abort_if_not((item_size > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L3244] RET assume_abort_if_not((item_size > 0)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={11:0}, list={11:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3246-L3247] list->alloc = ((void *)0) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={11:0}, list={11:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3250] CALL, EXPR aws_mul_size_checked(item_count, item_size, &list->current_size) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=0, a=9223372036854775808, b=2, r={11:8}, r={11:8}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); VAL [\old(a)=9223372036854775808, \old(b)=2, \old(tl_last_error)=0, \result=0, a=9223372036854775808, b=2, r={11:8}, r={11:8}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3250] RET, EXPR aws_mul_size_checked(item_count, item_size, &list->current_size) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, aws_mul_size_checked(item_count, item_size, &list->current_size)=0, item_count=9223372036854775808, item_size=2, list={11:0}, list={11:0}, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3250] int no_overflow = !aws_mul_size_checked(item_count, item_size, &list->current_size); [L3251] CALL assume_abort_if_not((no_overflow)) VAL [\old(cond)=1, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L211] COND FALSE !(!cond) [L3251] RET assume_abort_if_not((no_overflow)) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={11:0}, list={11:0}, no_overflow=1, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3253] list->item_size = item_size [L3254] list->length = 0 [L3255] list->data = raw_array VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, item_count=9223372036854775808, item_size=2, list={11:0}, list={11:0}, no_overflow=1, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3256] CALL, EXPR aws_array_list_is_valid(list) VAL [\old(tl_last_error)=0, list={11:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size VAL [\old(tl_last_error)=0, list={11:0}, list={11:0}, list->item_size=2, list->length=0, required_size={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L3272] CALL, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, r={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2588] CALL, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2496] CALL __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] RET __CPROVER_overflow_mult(a, b) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, __CPROVER_overflow_mult(a, b)=1, a=0, b=2, r={12:0}, r={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L2496] COND TRUE __CPROVER_overflow_mult(a, b) [L2497] CALL, EXPR aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED) VAL [\old(tl_last_error)=0, s_can_fail_allocator_static={5:0}, tl_last_error=0] [L1996] CALL aws_raise_error_private(err) [L7366] tl_last_error = err [L1996] RET aws_raise_error_private(err) [L1998] return (-1); [L2497] RET, EXPR aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED) VAL [\old(a)=0, \old(b)=2, \old(tl_last_error)=0, a=0, aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED)=-1, b=2, r={12:0}, r={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L2497] return aws_raise_error(AWS_ERROR_OVERFLOW_DETECTED); [L2588] RET, EXPR aws_mul_u64_checked(a, b, (uint64_t *)r) [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3272] RET, EXPR aws_mul_size_checked(list->length, list->item_size, &required_size) VAL [\old(tl_last_error)=0, aws_mul_size_checked(list->length, list->item_size, &required_size)=-1, list={11:0}, list={11:0}, list->item_size=2, list->length=0, required_size={12:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3270-L3272] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L3275] EXPR list->current_size [L3275] EXPR \read(required_size) [L3274-L3275] _Bool current_size_is_valid = (list->current_size >= required_size); [L3279] EXPR list->current_size [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279] EXPR list->data [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3281] EXPR list->current_size [L3281] EXPR (((list->current_size)) == 0) || ((list->data)) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3277-L3281] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L3284] EXPR list->item_size [L3283-L3284] _Bool item_size_is_valid = (list->item_size != 0); [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L3268] size_t required_size = 0; [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; VAL [\old(tl_last_error)=0, \result=0, current_size_is_valid=1, data_is_valid=1, item_size_is_valid=1, list={11:0}, list={11:0}, required_size_is_valid=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3256] RET, EXPR aws_array_list_is_valid(list) VAL [\old(item_count)=9223372036854775808, \old(item_size)=2, aws_array_list_is_valid(list)=0, item_count=9223372036854775808, item_size=2, list={11:0}, list={11:0}, no_overflow=1, raw_array={6:0}, raw_array={6:0}, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L3256] CALL __VERIFIER_assert((aws_array_list_is_valid(list))) VAL [\old(cond)=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={5:0}, tl_last_error=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 205.1s, OverallIterations: 3, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 1283 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 477 IncrementalHoareTripleChecker+Unchecked, 1210 mSDsCounter, 145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1632 IncrementalHoareTripleChecker+Invalid, 2254 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 145 mSolverCounterUnsat, 180 mSDtfsCounter, 1632 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 146 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1359 ImplicationChecksByTransitivity, 175.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=2, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 23.9s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 137 ConstructedInterpolants, 5 QuantifiedInterpolants, 884 SizeOfPredicates, 43 NumberOfNonLiveVariables, 1252 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 164/172 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-03 03:37:05,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI --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 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- 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-5e519f3 [2022-11-03 03:37:07,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:37:07,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:37:07,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:37:07,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:37:07,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:37:07,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:37:07,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:37:07,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:37:07,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:37:07,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:37:07,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:37:07,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:37:07,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:37:07,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:37:07,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:37:07,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:37:07,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:37:07,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:37:07,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:37:07,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:37:07,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:37:07,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:37:07,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:37:07,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:37:07,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:37:07,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:37:07,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:37:07,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:37:07,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:37:07,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:37:07,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:37:07,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:37:07,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:37:07,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:37:07,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:37:07,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:37:07,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:37:07,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:37:07,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:37:07,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:37:07,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 03:37:07,780 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:37:07,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:37:07,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:37:07,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:37:07,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:37:07,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:37:07,782 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:37:07,783 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:37:07,783 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:37:07,783 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:37:07,783 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:37:07,784 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:37:07,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:37:07,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:37:07,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:37:07,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:37:07,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:37:07,786 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 03:37:07,786 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 03:37:07,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 03:37:07,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:37:07,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:37:07,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:37:07,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:37:07,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 03:37:07,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:37:07,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:37:07,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:37:07,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:37:07,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:37:07,789 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 03:37:07,789 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 03:37:07,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:37:07,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:37:07,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 03:37:07,790 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-11-03 03:37:08,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:37:08,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:37:08,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:37:08,227 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:37:08,228 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:37:08,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-03 03:37:08,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/data/d24c3e339/762943040c8a4adf913b4be23184b745/FLAG857928d3e [2022-11-03 03:37:09,272 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:37:09,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-11-03 03:37:09,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/data/d24c3e339/762943040c8a4adf913b4be23184b745/FLAG857928d3e [2022-11-03 03:37:09,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/data/d24c3e339/762943040c8a4adf913b4be23184b745 [2022-11-03 03:37:09,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:37:09,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:37:09,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:37:09,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:37:09,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:37:09,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:37:09" (1/1) ... [2022-11-03 03:37:09,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd20d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:09, skipping insertion in model container [2022-11-03 03:37:09,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:37:09" (1/1) ... [2022-11-03 03:37:09,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:37:09,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:37:10,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-03 03:37:10,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-03 03:37:11,178 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:37:11,261 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,262 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,263 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,264 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,265 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,282 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,296 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,300 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,302 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,304 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,308 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,310 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,311 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,724 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:37:11,725 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:37:11,726 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:37:11,728 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:37:11,730 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:37:11,731 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:37:11,732 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:37:11,733 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:37:11,734 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:37:11,735 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:37:11,885 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,893 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:11,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:37:11,934 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 03:37:11,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:37:11,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-03 03:37:11,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-03 03:37:12,062 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:37:12,081 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,081 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,082 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,082 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,083 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,091 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,092 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,093 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,094 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,095 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,096 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,096 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,097 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,157 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:37:12,158 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:37:12,159 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:37:12,160 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:37:12,161 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:37:12,162 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:37:12,162 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:37:12,163 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:37:12,163 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:37:12,164 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:37:12,194 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,200 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:37:12,215 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:37:12,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-11-03 03:37:12,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-11-03 03:37:12,260 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:37:12,291 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,292 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,292 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,293 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,293 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,306 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,307 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,308 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,309 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,310 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,311 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,312 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,312 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,382 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:37:12,384 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:37:12,385 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:37:12,386 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:37:12,387 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:37:12,388 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:37:12,389 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:37:12,390 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:37:12,390 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:37:12,391 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:37:12,436 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,442 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:37:12,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:37:12,748 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:37:12,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12 WrapperNode [2022-11-03 03:37:12,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:37:12,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:37:12,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:37:12,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:37:12,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12" (1/1) ... [2022-11-03 03:37:12,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12" (1/1) ... [2022-11-03 03:37:12,933 INFO L138 Inliner]: procedures = 700, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 155 [2022-11-03 03:37:12,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:37:12,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:37:12,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:37:12,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:37:12,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12" (1/1) ... [2022-11-03 03:37:12,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12" (1/1) ... [2022-11-03 03:37:12,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12" (1/1) ... [2022-11-03 03:37:12,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12" (1/1) ... [2022-11-03 03:37:13,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12" (1/1) ... [2022-11-03 03:37:13,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12" (1/1) ... [2022-11-03 03:37:13,032 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12" (1/1) ... [2022-11-03 03:37:13,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12" (1/1) ... [2022-11-03 03:37:13,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:37:13,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:37:13,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:37:13,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:37:13,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12" (1/1) ... [2022-11-03 03:37:13,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:37:13,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:37:13,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:37:13,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:37:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:37:13,192 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-03 03:37:13,193 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-03 03:37:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 03:37:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-03 03:37:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 03:37:13,194 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 03:37:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 03:37:13,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 03:37:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:37:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:37:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:37:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:37:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:37:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 03:37:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 03:37:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-03 03:37:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-03 03:37:13,197 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-03 03:37:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-03 03:37:13,198 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-03 03:37:13,198 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-03 03:37:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:37:13,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:37:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:37:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:37:13,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-03 03:37:13,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-03 03:37:13,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:37:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-03 03:37:13,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-03 03:37:13,204 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-03 03:37:13,205 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-03 03:37:13,554 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:37:13,557 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:37:15,334 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:37:15,363 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:37:15,364 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:37:15,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:37:15 BoogieIcfgContainer [2022-11-03 03:37:15,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:37:15,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:37:15,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:37:15,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:37:15,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:37:09" (1/3) ... [2022-11-03 03:37:15,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6482fc8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:37:15, skipping insertion in model container [2022-11-03 03:37:15,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:37:12" (2/3) ... [2022-11-03 03:37:15,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6482fc8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:37:15, skipping insertion in model container [2022-11-03 03:37:15,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:37:15" (3/3) ... [2022-11-03 03:37:15,383 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-11-03 03:37:15,405 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:37:15,405 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:37:15,475 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:37:15,482 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;@5f0a23dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:37:15,483 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:37:15,488 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 64 states have internal predecessors, (74), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-03 03:37:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-03 03:37:15,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:15,501 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:15,502 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:15,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:15,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1769786212, now seen corresponding path program 1 times [2022-11-03 03:37:15,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:15,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1237805387] [2022-11-03 03:37:15,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:15,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:15,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:15,538 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:15,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 03:37:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:16,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 03:37:16,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-03 03:37:16,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:16,309 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:16,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1237805387] [2022-11-03 03:37:16,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1237805387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:16,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:37:16,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:37:16,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935500189] [2022-11-03 03:37:16,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:16,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:37:16,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:16,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:37:16,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:37:16,356 INFO L87 Difference]: Start difference. First operand has 104 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 64 states have internal predecessors, (74), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 03:37:16,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:16,399 INFO L93 Difference]: Finished difference Result 205 states and 286 transitions. [2022-11-03 03:37:16,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:37:16,402 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 88 [2022-11-03 03:37:16,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:16,412 INFO L225 Difference]: With dead ends: 205 [2022-11-03 03:37:16,412 INFO L226 Difference]: Without dead ends: 96 [2022-11-03 03:37:16,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:37:16,421 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:16,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:37:16,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-03 03:37:16,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-03 03:37:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 57 states have (on average 1.1403508771929824) internal successors, (65), 58 states have internal predecessors, (65), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-11-03 03:37:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2022-11-03 03:37:16,477 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 88 [2022-11-03 03:37:16,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:16,478 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2022-11-03 03:37:16,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 03:37:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2022-11-03 03:37:16,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-03 03:37:16,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:16,482 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:16,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:16,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:16,689 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:16,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:16,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1769323358, now seen corresponding path program 1 times [2022-11-03 03:37:16,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:16,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695586134] [2022-11-03 03:37:16,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:16,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:16,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:16,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:16,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 03:37:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:17,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:37:17,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:17,605 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-03 03:37:17,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:37:17,606 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:37:17,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695586134] [2022-11-03 03:37:17,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695586134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:37:17,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:37:17,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:37:17,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774673211] [2022-11-03 03:37:17,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:37:17,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:37:17,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:37:17,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:37:17,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:37:17,610 INFO L87 Difference]: Start difference. First operand 96 states and 123 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-03 03:37:19,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:37:20,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:37:20,091 INFO L93 Difference]: Finished difference Result 165 states and 206 transitions. [2022-11-03 03:37:20,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:37:20,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 88 [2022-11-03 03:37:20,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:37:20,097 INFO L225 Difference]: With dead ends: 165 [2022-11-03 03:37:20,097 INFO L226 Difference]: Without dead ends: 98 [2022-11-03 03:37:20,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:37:20,099 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 33 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:37:20,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 475 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 63 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 03:37:20,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-11-03 03:37:20,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-11-03 03:37:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 58 states have (on average 1.1379310344827587) internal successors, (66), 60 states have internal predecessors, (66), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (29), 28 states have call predecessors, (29), 28 states have call successors, (29) [2022-11-03 03:37:20,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 125 transitions. [2022-11-03 03:37:20,118 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 125 transitions. Word has length 88 [2022-11-03 03:37:20,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:37:20,119 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 125 transitions. [2022-11-03 03:37:20,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-03 03:37:20,119 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 125 transitions. [2022-11-03 03:37:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-03 03:37:20,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:37:20,123 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:37:20,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:37:20,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:37:20,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:37:20,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:37:20,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1052461710, now seen corresponding path program 1 times [2022-11-03 03:37:20,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:37:20,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [775976189] [2022-11-03 03:37:20,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:37:20,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:37:20,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:37:20,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:37:20,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 03:37:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:37:22,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 115 conjunts are in the unsatisfiable core [2022-11-03 03:37:22,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:37:23,211 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 95 [2022-11-03 03:37:30,737 WARN L855 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_1| (_ BitVec 64))) (let ((.cse1 (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_1|)) (.cse0 (bvmul |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2|))) (and (= ((_ extract 55 48) .cse0) (select .cse1 (_ bv6 64))) (bvugt |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv0 64)) (= (select .cse1 (_ bv1 64)) ((_ extract 15 8) .cse0)) (= (select .cse1 (_ bv2 64)) ((_ extract 23 16) .cse0)) (= ((_ extract 63 56) .cse0) (select .cse1 (_ bv7 64))) (bvule |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv9223372036854775808 64)) (= (select .cse1 (_ bv0 64)) ((_ extract 7 0) .cse0)) (= (select .cse1 (_ bv3 64)) ((_ extract 31 24) .cse0)) (bvule |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2| (_ bv2 64)) (= ((_ extract 47 40) .cse0) (select .cse1 (_ bv5 64))) (= (select .cse1 (_ bv4 64)) ((_ extract 39 32) .cse0)) (bvugt |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_2| (_ bv0 64))))) is different from true [2022-11-03 03:38:33,298 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:38:33,299 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 259 treesize of output 195 [2022-11-03 03:38:46,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:46,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:46,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:46,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:46,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:46,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:46,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:46,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:38:46,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:38:46,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:38:46,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:38:46,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:38:46,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:38:46,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:38:46,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:38:46,965 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 137 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 163 [2022-11-03 03:40:06,771 WARN L234 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:40:11,858 WARN L833 $PredicateComparison]: unable to prove that (and (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) |c_aws_array_list_is_valid_#t~short135| (let ((.cse2 (let ((.cse7 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse7 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse7 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset))))) (.cse1 (let ((.cse6 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse6 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse0 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse0)) (_ bv1 64) ((_ extract 15 8) .cse0)) (_ bv2 64) ((_ extract 23 16) .cse0)) (_ bv3 64) ((_ extract 31 24) .cse0)) (_ bv4 64) ((_ extract 39 32) .cse0)) (_ bv5 64) ((_ extract 47 40) .cse0)) (_ bv6 64) ((_ extract 55 48) .cse0)) (_ bv7 64) ((_ extract 63 56) .cse0)))) |c_#memory_int|) (not (bvuge .cse2 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64)))))))) (= (_ bv0 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (bvuge .cse2 (let ((.cse4 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64))))) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse5 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse5)) (_ bv1 64) ((_ extract 15 8) .cse5)) (_ bv2 64) ((_ extract 23 16) .cse5)) (_ bv3 64) ((_ extract 31 24) .cse5)) (_ bv4 64) ((_ extract 39 32) .cse5)) (_ bv5 64) ((_ extract 47 40) .cse5)) (_ bv6 64) ((_ extract 55 48) .cse5)) (_ bv7 64) ((_ extract 63 56) .cse5)))) |c_#memory_int|))) (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base)) is different from false [2022-11-03 03:40:15,317 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (let ((.cse1 (let ((.cse9 (select |c_old(#memory_int)| |c_aws_array_list_is_valid_#in~list.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv23 64))) (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv22 64)))) (select .cse9 (bvadd (_ bv21 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv20 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv19 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv18 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv17 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv16 64)))))) (.cse2 (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv15 64))) (select .cse6 (bvadd (_ bv14 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv13 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv12 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv11 64)))) (select .cse6 (bvadd (_ bv10 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv9 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv8 64) |c_aws_array_list_is_valid_#in~list.offset|)))) (.cse5 (= |c_aws_array_list_is_valid_#res| (_ bv0 8)))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse0 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse0)) (_ bv1 64) ((_ extract 15 8) .cse0)) (_ bv2 64) ((_ extract 23 16) .cse0)) (_ bv3 64) ((_ extract 31 24) .cse0)) (_ bv4 64) ((_ extract 39 32) .cse0)) (_ bv5 64) ((_ extract 47 40) .cse0)) (_ bv6 64) ((_ extract 55 48) .cse0)) (_ bv7 64) ((_ extract 63 56) .cse0))))) (bvuge .cse2 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64))))))) (let ((.cse4 (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd (_ bv31 64) |c_aws_array_list_is_valid_#in~list.offset|)) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv30 64)))) (select .cse6 (bvadd (_ bv29 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv28 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv27 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv26 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv25 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv24 64) |c_aws_array_list_is_valid_#in~list.offset|)))))) (or (and (not .cse4) (= (_ bv1 8) |c_aws_array_list_is_valid_#res|)) (and .cse4 .cse5)))) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse7 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse7)) (_ bv1 64) ((_ extract 15 8) .cse7)) (_ bv2 64) ((_ extract 23 16) .cse7)) (_ bv3 64) ((_ extract 31 24) .cse7)) (_ bv4 64) ((_ extract 39 32) .cse7)) (_ bv5 64) ((_ extract 47 40) .cse7)) (_ bv6 64) ((_ extract 55 48) .cse7)) (_ bv7 64) ((_ extract 63 56) .cse7))))) (not (bvuge .cse2 (let ((.cse8 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse8 (_ bv7 64)) (select .cse8 (_ bv6 64))) (select .cse8 (_ bv5 64))) (select .cse8 (_ bv4 64))) (select .cse8 (_ bv3 64))) (select .cse8 (_ bv2 64))) (select .cse8 (_ bv1 64))) (select .cse8 (_ bv0 64)))))))) .cse5)))) is different from false [2022-11-03 03:40:16,394 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:40:16,395 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 9 select indices, 9 select index equivalence classes, 136 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 36 case distinctions, treesize of input 1226 treesize of output 871 [2022-11-03 03:40:28,354 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 60 refuted. 20 times theorem prover too weak. 64 trivial. 10 not checked. [2022-11-03 03:40:28,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:40:53,376 WARN L234 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 241 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:41:02,750 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (let ((.cse13 (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse13 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv23 64))) (select .cse13 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv22 64)))) (select .cse13 (bvadd (_ bv21 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse13 (bvadd (_ bv20 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse13 (bvadd (_ bv19 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse13 (bvadd (_ bv18 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse13 (bvadd (_ bv17 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse13 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv16 64))))))) (and (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_11| (_ BitVec 64)) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (not (= (_ bv0 64) (let ((.cse0 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11| (let ((.cse1 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse2))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11|) (_ bv0 64) ((_ extract 7 0) .cse1)) (_ bv1 64) ((_ extract 15 8) .cse1)) (_ bv2 64) ((_ extract 23 16) .cse1)) (_ bv3 64) ((_ extract 31 24) .cse1)) (_ bv4 64) ((_ extract 39 32) .cse1)) (_ bv5 64) ((_ extract 47 40) .cse1)) (_ bv6 64) ((_ extract 55 48) .cse1)) (_ bv7 64) ((_ extract 63 56) .cse1)))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv31 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse0 (bvadd (_ bv30 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv29 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv28 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv27 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv26 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv25 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv24 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))))))) (forall ((|v_aws_array_list_is_valid_~#required_size~0.base_11| (_ BitVec 64)) (|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| (_ BitVec 64))) (let ((.cse12 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_11| .cse2))) (let ((.cse11 ((_ extract 63 56) .cse12)) (.cse10 ((_ extract 55 48) .cse12)) (.cse9 ((_ extract 47 40) .cse12)) (.cse8 ((_ extract 39 32) .cse12)) (.cse7 ((_ extract 31 24) .cse12)) (.cse6 ((_ extract 23 16) .cse12)) (.cse5 ((_ extract 15 8) .cse12)) (.cse4 ((_ extract 7 0) .cse12))) (bvuge (let ((.cse3 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11| (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_11|) (_ bv0 64) .cse4) (_ bv1 64) .cse5) (_ bv2 64) .cse6) (_ bv3 64) .cse7) (_ bv4 64) .cse8) (_ bv5 64) .cse9) (_ bv6 64) .cse10) (_ bv7 64) .cse11)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (bvadd (_ bv15 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse3 (bvadd (_ bv14 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse3 (bvadd (_ bv13 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse3 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv12 64)))) (select .cse3 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv11 64)))) (select .cse3 (bvadd (_ bv10 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse3 (bvadd (_ bv9 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse3 (bvadd (_ bv8 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))) (concat (concat (concat (concat (concat (concat (concat .cse11 .cse10) .cse9) .cse8) .cse7) .cse6) .cse5) .cse4))))))) is different from false [2022-11-03 03:41:04,364 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:41:04,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [775976189] [2022-11-03 03:41:04,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [775976189] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:41:04,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1352847578] [2022-11-03 03:41:04,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:04,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:41:04,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:41:04,368 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:41:04,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-11-03 03:41:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:41,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-03 03:41:41,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:42:07,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 03:42:34,933 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_643 (_ BitVec 64)) (v_ArrVal_642 (_ BitVec 64)) (v_ArrVal_641 (_ BitVec 64)) (v_ArrVal_640 (_ BitVec 64)) (v_ArrVal_639 (_ BitVec 64)) (v_ArrVal_637 (_ BitVec 64)) (v_ArrVal_636 (_ BitVec 64)) (v_ArrVal_644 (_ BitVec 64))) (= (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| (store (store (store (store (store (store (store (store (select |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_643) (bvadd (_ bv1 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_642) (bvadd (_ bv2 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_641) (bvadd (_ bv3 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_640) (bvadd (_ bv4 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_639) (bvadd |c_aws_mul_size_checked_#in~r#1.offset| (_ bv5 64)) v_ArrVal_637) (bvadd (_ bv6 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_636) (bvadd (_ bv7 64) |c_aws_mul_size_checked_#in~r#1.offset|) v_ArrVal_644)) |c_#memory_$Pointer$.base|)) is different from true [2022-11-03 03:43:31,875 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-03 03:43:31,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:43:31,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1352847578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:43:31,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:43:31,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [37] total 52 [2022-11-03 03:43:31,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293612140] [2022-11-03 03:43:31,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:43:31,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-03 03:43:31,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:43:31,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-03 03:43:31,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=2345, Unknown=68, NotChecked=510, Total=3080 [2022-11-03 03:43:31,880 INFO L87 Difference]: Start difference. First operand 98 states and 125 transitions. Second operand has 17 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-03 03:43:38,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:40,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:41,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:42,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:45,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:49,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:51,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:52,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:43:54,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:44:02,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:02,221 INFO L93 Difference]: Finished difference Result 281 states and 388 transitions. [2022-11-03 03:44:02,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 03:44:02,222 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 103 [2022-11-03 03:44:02,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:02,227 INFO L225 Difference]: With dead ends: 281 [2022-11-03 03:44:02,227 INFO L226 Difference]: Without dead ends: 212 [2022-11-03 03:44:02,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 298.5s TimeCoverageRelationStatistics Valid=178, Invalid=2741, Unknown=71, NotChecked=550, Total=3540 [2022-11-03 03:44:02,230 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 119 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 145 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 2025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 792 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:02,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 844 Invalid, 2025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1086 Invalid, 2 Unknown, 792 Unchecked, 21.5s Time] [2022-11-03 03:44:02,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-03 03:44:02,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 106. [2022-11-03 03:44:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 65 states have (on average 1.1538461538461537) internal successors, (75), 67 states have internal predecessors, (75), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-11-03 03:44:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 137 transitions. [2022-11-03 03:44:02,263 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 137 transitions. Word has length 103 [2022-11-03 03:44:02,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:02,263 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 137 transitions. [2022-11-03 03:44:02,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-03 03:44:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 137 transitions. [2022-11-03 03:44:02,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-03 03:44:02,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:02,266 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:44:02,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:44:02,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:44:02,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:44:02,689 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:02,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:02,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1445488720, now seen corresponding path program 1 times [2022-11-03 03:44:02,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:44:02,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832099493] [2022-11-03 03:44:02,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:02,691 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:44:02,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:44:02,691 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:44:02,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 03:44:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:03,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:44:03,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:44:03,555 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2022-11-03 03:44:03,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:44:03,556 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:44:03,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832099493] [2022-11-03 03:44:03,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832099493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:03,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:03,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:44:03,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830662786] [2022-11-03 03:44:03,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:03,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:44:03,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:44:03,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:44:03,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:44:03,558 INFO L87 Difference]: Start difference. First operand 106 states and 137 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-03 03:44:03,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:03,702 INFO L93 Difference]: Finished difference Result 188 states and 238 transitions. [2022-11-03 03:44:03,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:44:03,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 103 [2022-11-03 03:44:03,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:03,715 INFO L225 Difference]: With dead ends: 188 [2022-11-03 03:44:03,715 INFO L226 Difference]: Without dead ends: 111 [2022-11-03 03:44:03,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:44:03,716 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 7 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:03,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 361 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:44:03,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-11-03 03:44:03,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 108. [2022-11-03 03:44:03,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 67 states have (on average 1.1492537313432836) internal successors, (77), 69 states have internal predecessors, (77), 30 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 29 states have call predecessors, (32), 28 states have call successors, (32) [2022-11-03 03:44:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 139 transitions. [2022-11-03 03:44:03,739 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 139 transitions. Word has length 103 [2022-11-03 03:44:03,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:03,740 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 139 transitions. [2022-11-03 03:44:03,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-03 03:44:03,741 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 139 transitions. [2022-11-03 03:44:03,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-03 03:44:03,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:03,743 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:44:03,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:44:03,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:44:03,966 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:03,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:03,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1354483148, now seen corresponding path program 1 times [2022-11-03 03:44:03,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:44:03,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1966656656] [2022-11-03 03:44:03,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:03,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:44:03,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:44:03,970 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:44:04,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 03:44:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:05,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 75 conjunts are in the unsatisfiable core [2022-11-03 03:44:05,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:44:06,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:44:06,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:44:06,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:44:06,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:44:06,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:44:06,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:44:06,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:44:06,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:44:06,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:44:06,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:44:06,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:44:06,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:44:06,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:44:06,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:44:06,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:44:06,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 137 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 163 [2022-11-03 03:44:51,487 WARN L234 SmtUtils]: Spent 13.29s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:44:55,197 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse7 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse7 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse7 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset)))))) (and (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (= (_ bv0 64) .cse0) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) (let ((.cse2 (let ((.cse6 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse6 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse1 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse1)) (_ bv1 64) ((_ extract 15 8) .cse1)) (_ bv2 64) ((_ extract 23 16) .cse1)) (_ bv3 64) ((_ extract 31 24) .cse1)) (_ bv4 64) ((_ extract 39 32) .cse1)) (_ bv5 64) ((_ extract 47 40) .cse1)) (_ bv6 64) ((_ extract 55 48) .cse1)) (_ bv7 64) ((_ extract 63 56) .cse1)))) |c_#memory_int|) (not (bvuge .cse0 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64)))))))) (= (_ bv0 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (bvuge .cse0 (let ((.cse4 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64))))) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse5 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse5)) (_ bv1 64) ((_ extract 15 8) .cse5)) (_ bv2 64) ((_ extract 23 16) .cse5)) (_ bv3 64) ((_ extract 31 24) .cse5)) (_ bv4 64) ((_ extract 39 32) .cse5)) (_ bv5 64) ((_ extract 47 40) .cse5)) (_ bv6 64) ((_ extract 55 48) .cse5)) (_ bv7 64) ((_ extract 63 56) .cse5)))) |c_#memory_int|))) (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base))) is different from false [2022-11-03 03:45:00,658 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse7 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse7 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse7 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset)))))) (and (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (= (_ bv0 64) .cse0) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) (let ((.cse2 (let ((.cse6 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse6 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse1 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse1)) (_ bv1 64) ((_ extract 15 8) .cse1)) (_ bv2 64) ((_ extract 23 16) .cse1)) (_ bv3 64) ((_ extract 31 24) .cse1)) (_ bv4 64) ((_ extract 39 32) .cse1)) (_ bv5 64) ((_ extract 47 40) .cse1)) (_ bv6 64) ((_ extract 55 48) .cse1)) (_ bv7 64) ((_ extract 63 56) .cse1)))) |c_#memory_int|) (not (bvuge .cse0 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64)))))))) (= (_ bv0 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (bvuge .cse0 (let ((.cse4 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64))))) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse5 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse5)) (_ bv1 64) ((_ extract 15 8) .cse5)) (_ bv2 64) ((_ extract 23 16) .cse5)) (_ bv3 64) ((_ extract 31 24) .cse5)) (_ bv4 64) ((_ extract 39 32) .cse5)) (_ bv5 64) ((_ extract 47 40) .cse5)) (_ bv6 64) ((_ extract 55 48) .cse5)) (_ bv7 64) ((_ extract 63 56) .cse5)))) |c_#memory_int|))) (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base) |c_aws_array_list_is_valid_#t~short134|)) is different from false [2022-11-03 03:45:05,324 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse7 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse7 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse7 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv8 64) c_aws_array_list_is_valid_~list.offset)))))) (and (= (_ bv1 8) c_aws_array_list_is_valid_~required_size_is_valid~0) (= (_ bv0 64) .cse0) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) |c_aws_array_list_is_valid_#t~short135| (let ((.cse2 (let ((.cse6 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse6 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse6 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv16 64))))))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse1 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse1)) (_ bv1 64) ((_ extract 15 8) .cse1)) (_ bv2 64) ((_ extract 23 16) .cse1)) (_ bv3 64) ((_ extract 31 24) .cse1)) (_ bv4 64) ((_ extract 39 32) .cse1)) (_ bv5 64) ((_ extract 47 40) .cse1)) (_ bv6 64) ((_ extract 55 48) .cse1)) (_ bv7 64) ((_ extract 63 56) .cse1)))) |c_#memory_int|) (not (bvuge .cse0 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64)))))))) (= (_ bv0 8) c_aws_array_list_is_valid_~current_size_is_valid~0)) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (bvuge .cse0 (let ((.cse4 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse4 (_ bv7 64)) (select .cse4 (_ bv6 64))) (select .cse4 (_ bv5 64))) (select .cse4 (_ bv4 64))) (select .cse4 (_ bv3 64))) (select .cse4 (_ bv2 64))) (select .cse4 (_ bv1 64))) (select .cse4 (_ bv0 64))))) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse5 (bvmul .cse2 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse5)) (_ bv1 64) ((_ extract 15 8) .cse5)) (_ bv2 64) ((_ extract 23 16) .cse5)) (_ bv3 64) ((_ extract 31 24) .cse5)) (_ bv4 64) ((_ extract 39 32) .cse5)) (_ bv5 64) ((_ extract 47 40) .cse5)) (_ bv6 64) ((_ extract 55 48) .cse5)) (_ bv7 64) ((_ extract 63 56) .cse5)))) |c_#memory_int|))) (= (_ bv1 8) c_aws_array_list_is_valid_~current_size_is_valid~0)))) (= |c_aws_array_list_is_valid_#in~list.base| c_aws_array_list_is_valid_~list.base))) is different from false [2022-11-03 03:45:13,348 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse6 (select |c_#memory_int| |c_aws_array_list_is_valid_#in~list.base|))) (let ((.cse2 (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv15 64))) (select .cse6 (bvadd (_ bv14 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv13 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv12 64)))) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv11 64)))) (select .cse6 (bvadd (_ bv10 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv9 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv8 64) |c_aws_array_list_is_valid_#in~list.offset|))))) (and (let ((.cse1 (let ((.cse9 (select |c_old(#memory_int)| |c_aws_array_list_is_valid_#in~list.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv23 64))) (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv22 64)))) (select .cse9 (bvadd (_ bv21 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv20 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv19 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv18 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd (_ bv17 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse9 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv16 64)))))) (.cse5 (= |c_aws_array_list_is_valid_#res| (_ bv0 8)))) (or (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse0 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse0)) (_ bv1 64) ((_ extract 15 8) .cse0)) (_ bv2 64) ((_ extract 23 16) .cse0)) (_ bv3 64) ((_ extract 31 24) .cse0)) (_ bv4 64) ((_ extract 39 32) .cse0)) (_ bv5 64) ((_ extract 47 40) .cse0)) (_ bv6 64) ((_ extract 55 48) .cse0)) (_ bv7 64) ((_ extract 63 56) .cse0))))) (bvuge .cse2 (let ((.cse3 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse3 (_ bv7 64)) (select .cse3 (_ bv6 64))) (select .cse3 (_ bv5 64))) (select .cse3 (_ bv4 64))) (select .cse3 (_ bv3 64))) (select .cse3 (_ bv2 64))) (select .cse3 (_ bv1 64))) (select .cse3 (_ bv0 64))))))) (let ((.cse4 (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse6 (bvadd (_ bv31 64) |c_aws_array_list_is_valid_#in~list.offset|)) (select .cse6 (bvadd |c_aws_array_list_is_valid_#in~list.offset| (_ bv30 64)))) (select .cse6 (bvadd (_ bv29 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv28 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv27 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv26 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv25 64) |c_aws_array_list_is_valid_#in~list.offset|))) (select .cse6 (bvadd (_ bv24 64) |c_aws_array_list_is_valid_#in~list.offset|)))))) (or (and (not .cse4) (= (_ bv1 8) |c_aws_array_list_is_valid_#res|)) (and .cse4 .cse5)))) (and (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~b#1| (_ BitVec 64)) (|aws_array_list_is_valid_~#required_size~0.base| (_ BitVec 64))) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse7 (bvmul .cse1 |aws_mul_size_checked_aws_mul_u64_checked_~b#1|))) (store (store (store (store (store (store (store (store (select |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base|) (_ bv0 64) ((_ extract 7 0) .cse7)) (_ bv1 64) ((_ extract 15 8) .cse7)) (_ bv2 64) ((_ extract 23 16) .cse7)) (_ bv3 64) ((_ extract 31 24) .cse7)) (_ bv4 64) ((_ extract 39 32) .cse7)) (_ bv5 64) ((_ extract 47 40) .cse7)) (_ bv6 64) ((_ extract 55 48) .cse7)) (_ bv7 64) ((_ extract 63 56) .cse7))))) (not (bvuge .cse2 (let ((.cse8 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse8 (_ bv7 64)) (select .cse8 (_ bv6 64))) (select .cse8 (_ bv5 64))) (select .cse8 (_ bv4 64))) (select .cse8 (_ bv3 64))) (select .cse8 (_ bv2 64))) (select .cse8 (_ bv1 64))) (select .cse8 (_ bv0 64)))))))) .cse5))) (= (_ bv0 64) .cse2)))) is different from false [2022-11-03 03:45:15,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 9 select indices, 9 select index equivalence classes, 136 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 1226 treesize of output 871 [2022-11-03 03:45:21,770 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-03 03:45:21,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:46:08,654 WARN L234 SmtUtils]: Spent 38.16s on a formula simplification. DAG size of input: 263 DAG size of output: 248 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:46:22,521 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv15 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse2 (bvadd (_ bv14 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse3 (bvadd (_ bv13 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse4 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv12 64))) (.cse5 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv11 64))) (.cse6 (bvadd (_ bv10 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse7 (bvadd (_ bv9 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse8 (bvadd (_ bv8 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse10 (let ((.cse22 (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse22 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv23 64))) (select .cse22 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv22 64)))) (select .cse22 (bvadd (_ bv21 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv20 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv19 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv18 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv17 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv16 64))))))) (and (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| (_ BitVec 64)) (|v_aws_array_list_is_valid_~#required_size~0.base_16| (_ BitVec 64))) (let ((.cse0 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16| (let ((.cse9 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| .cse10))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16|) (_ bv0 64) ((_ extract 7 0) .cse9)) (_ bv1 64) ((_ extract 15 8) .cse9)) (_ bv2 64) ((_ extract 23 16) .cse9)) (_ bv3 64) ((_ extract 31 24) .cse9)) (_ bv4 64) ((_ extract 39 32) .cse9)) (_ bv5 64) ((_ extract 47 40) .cse9)) (_ bv6 64) ((_ extract 55 48) .cse9)) (_ bv7 64) ((_ extract 63 56) .cse9)))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (not (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse0 .cse1) (select .cse0 .cse2)) (select .cse0 .cse3)) (select .cse0 .cse4)) (select .cse0 .cse5)) (select .cse0 .cse6)) (select .cse0 .cse7)) (select .cse0 .cse8)))) (not (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv31 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse0 (bvadd (_ bv30 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv29 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv28 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv27 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv26 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv25 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv24 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))))))) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| (_ BitVec 64)) (|v_aws_array_list_is_valid_~#required_size~0.base_16| (_ BitVec 64))) (let ((.cse21 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| .cse10))) (let ((.cse19 ((_ extract 7 0) .cse21)) (.cse18 ((_ extract 15 8) .cse21)) (.cse17 ((_ extract 23 16) .cse21)) (.cse16 ((_ extract 31 24) .cse21)) (.cse15 ((_ extract 39 32) .cse21)) (.cse14 ((_ extract 47 40) .cse21)) (.cse13 ((_ extract 55 48) .cse21)) (.cse12 ((_ extract 63 56) .cse21))) (let ((.cse11 (let ((.cse20 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16| (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16|) (_ bv0 64) .cse19) (_ bv1 64) .cse18) (_ bv2 64) .cse17) (_ bv3 64) .cse16) (_ bv4 64) .cse15) (_ bv5 64) .cse14) (_ bv6 64) .cse13) (_ bv7 64) .cse12)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse20 .cse1) (select .cse20 .cse2)) (select .cse20 .cse3)) (select .cse20 .cse4)) (select .cse20 .cse5)) (select .cse20 .cse6)) (select .cse20 .cse7)) (select .cse20 .cse8))))) (or (not (= (_ bv0 64) .cse11)) (bvuge .cse11 (concat (concat (concat (concat (concat (concat (concat .cse12 .cse13) .cse14) .cse15) .cse16) .cse17) .cse18) .cse19))))))))) is different from false [2022-11-03 03:46:24,548 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv15 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse2 (bvadd (_ bv14 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse3 (bvadd (_ bv13 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse4 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv12 64))) (.cse5 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv11 64))) (.cse6 (bvadd (_ bv10 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse7 (bvadd (_ bv9 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse8 (bvadd (_ bv8 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (.cse10 (let ((.cse22 (select |c_#memory_int| |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse22 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv23 64))) (select .cse22 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv22 64)))) (select .cse22 (bvadd (_ bv21 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv20 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv19 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv18 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd (_ bv17 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse22 (bvadd |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset| (_ bv16 64))))))) (and (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| (_ BitVec 64)) (|v_aws_array_list_is_valid_~#required_size~0.base_16| (_ BitVec 64))) (let ((.cse0 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16| (let ((.cse9 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| .cse10))) (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16|) (_ bv0 64) ((_ extract 7 0) .cse9)) (_ bv1 64) ((_ extract 15 8) .cse9)) (_ bv2 64) ((_ extract 23 16) .cse9)) (_ bv3 64) ((_ extract 31 24) .cse9)) (_ bv4 64) ((_ extract 39 32) .cse9)) (_ bv5 64) ((_ extract 47 40) .cse9)) (_ bv6 64) ((_ extract 55 48) .cse9)) (_ bv7 64) ((_ extract 63 56) .cse9)))) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (or (not (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse0 .cse1) (select .cse0 .cse2)) (select .cse0 .cse3)) (select .cse0 .cse4)) (select .cse0 .cse5)) (select .cse0 .cse6)) (select .cse0 .cse7)) (select .cse0 .cse8)))) (not (= (_ bv0 64) (concat (concat (concat (concat (concat (concat (concat (select .cse0 (bvadd (_ bv31 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)) (select .cse0 (bvadd (_ bv30 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv29 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv28 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv27 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv26 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv25 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|))) (select .cse0 (bvadd (_ bv24 64) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.offset|)))))))) (forall ((|v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| (_ BitVec 64)) (|v_aws_array_list_is_valid_~#required_size~0.base_16| (_ BitVec 64))) (let ((.cse21 (bvmul |v_aws_mul_size_checked_aws_mul_u64_checked_~b#1_17| .cse10))) (let ((.cse19 ((_ extract 7 0) .cse21)) (.cse18 ((_ extract 15 8) .cse21)) (.cse17 ((_ extract 23 16) .cse21)) (.cse16 ((_ extract 31 24) .cse21)) (.cse15 ((_ extract 39 32) .cse21)) (.cse14 ((_ extract 47 40) .cse21)) (.cse13 ((_ extract 55 48) .cse21)) (.cse12 ((_ extract 63 56) .cse21))) (let ((.cse11 (let ((.cse20 (select (store |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16| (store (store (store (store (store (store (store (store (select |c_#memory_int| |v_aws_array_list_is_valid_~#required_size~0.base_16|) (_ bv0 64) .cse19) (_ bv1 64) .cse18) (_ bv2 64) .cse17) (_ bv3 64) .cse16) (_ bv4 64) .cse15) (_ bv5 64) .cse14) (_ bv6 64) .cse13) (_ bv7 64) .cse12)) |c_ULTIMATE.start_aws_array_list_init_static_~list#1.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse20 .cse1) (select .cse20 .cse2)) (select .cse20 .cse3)) (select .cse20 .cse4)) (select .cse20 .cse5)) (select .cse20 .cse6)) (select .cse20 .cse7)) (select .cse20 .cse8))))) (or (not (= (_ bv0 64) .cse11)) (bvuge .cse11 (concat (concat (concat (concat (concat (concat (concat .cse12 .cse13) .cse14) .cse15) .cse16) .cse17) .cse18) .cse19))))))))) is different from true [2022-11-03 03:46:24,549 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:46:24,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1966656656] [2022-11-03 03:46:24,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1966656656] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:46:24,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1999288663] [2022-11-03 03:46:24,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:46:24,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 03:46:24,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 03:46:24,551 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 03:46:24,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_015dd142-1e51-4187-91dd-b3c9119de653/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2022-11-03 03:48:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:17,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 87 conjunts are in the unsatisfiable core [2022-11-03 03:48:17,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:48:20,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:20,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:48:20,289 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 137 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 170