./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/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_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta --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-dbf71c6-m [2022-10-17 17:11:37,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:11:37,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:11:37,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:11:37,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:11:37,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:11:37,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:11:37,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:11:37,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:11:37,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:11:37,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:11:37,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:11:37,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:11:37,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:11:37,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:11:37,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:11:37,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:11:37,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:11:37,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:11:37,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:11:37,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:11:37,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:11:37,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:11:37,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:11:37,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:11:37,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:11:37,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:11:37,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:11:37,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:11:37,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:11:37,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:11:37,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:11:37,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:11:37,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:11:37,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:11:37,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:11:37,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:11:37,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:11:37,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:11:37,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:11:37,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:11:37,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:11:37,538 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:11:37,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:11:37,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:11:37,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:11:37,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:11:37,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:11:37,544 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:11:37,544 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:11:37,545 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:11:37,545 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:11:37,546 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:11:37,546 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:11:37,546 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:11:37,547 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:11:37,547 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:11:37,547 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:11:37,547 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:11:37,548 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:11:37,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:11:37,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:11:37,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:11:37,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:11:37,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:11:37,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:11:37,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:11:37,550 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:11:37,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:11:37,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:11:37,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:11:37,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:11:37,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:11:37,552 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:11:37,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:11:37,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:11:37,553 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:11:37,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:11:37,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:11:37,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:11:37,554 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_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-10-17 17:11:37,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:11:37,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:11:37,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:11:37,971 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:11:37,972 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:11:37,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-10-17 17:11:38,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/data/33bacc634/f5dc5bc587f7452884bae9476444eade/FLAG2c9d63563 [2022-10-17 17:11:38,855 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:11:38,856 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-10-17 17:11:38,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/data/33bacc634/f5dc5bc587f7452884bae9476444eade/FLAG2c9d63563 [2022-10-17 17:11:39,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/data/33bacc634/f5dc5bc587f7452884bae9476444eade [2022-10-17 17:11:39,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:11:39,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:11:39,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:11:39,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:11:39,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:11:39,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:11:39" (1/1) ... [2022-10-17 17:11:39,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad11373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:39, skipping insertion in model container [2022-10-17 17:11:39,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:11:39" (1/1) ... [2022-10-17 17:11:39,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:11:39,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:11:39,880 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_63a482fc-938d-43c5-80d5-0df0f4fb49c0/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-10-17 17:11:39,889 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_63a482fc-938d-43c5-80d5-0df0f4fb49c0/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-10-17 17:11:40,709 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 17:11:40,816 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:40,818 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:40,818 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:40,819 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:40,821 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:40,838 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:40,839 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:40,841 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:40,842 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:40,845 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:40,846 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:40,847 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:40,847 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,255 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 17:11:41,257 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 17:11:41,262 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 17:11:41,265 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 17:11:41,271 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 17:11:41,275 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 17:11:41,277 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 17:11:41,280 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 17:11:41,285 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 17:11:41,286 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 17:11:41,472 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,480 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:11:41,513 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:11:41,527 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_63a482fc-938d-43c5-80d5-0df0f4fb49c0/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-10-17 17:11:41,528 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_63a482fc-938d-43c5-80d5-0df0f4fb49c0/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-10-17 17:11:41,603 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-17 17:11:41,656 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,657 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,658 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,658 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,659 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,670 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,670 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,671 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,672 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,673 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,674 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,680 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,680 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,750 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-17 17:11:41,752 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-17 17:11:41,753 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-17 17:11:41,754 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-17 17:11:41,757 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-17 17:11:41,757 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-17 17:11:41,758 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-17 17:11:41,759 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-17 17:11:41,762 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-17 17:11:41,763 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-17 17:11:41,826 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,831 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-17 17:11:41,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:11:42,109 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:11:42,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42 WrapperNode [2022-10-17 17:11:42,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:11:42,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:11:42,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:11:42,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:11:42,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42" (1/1) ... [2022-10-17 17:11:42,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42" (1/1) ... [2022-10-17 17:11:42,342 INFO L138 Inliner]: procedures = 681, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 158 [2022-10-17 17:11:42,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:11:42,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:11:42,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:11:42,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:11:42,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42" (1/1) ... [2022-10-17 17:11:42,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42" (1/1) ... [2022-10-17 17:11:42,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42" (1/1) ... [2022-10-17 17:11:42,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42" (1/1) ... [2022-10-17 17:11:42,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42" (1/1) ... [2022-10-17 17:11:42,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42" (1/1) ... [2022-10-17 17:11:42,420 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42" (1/1) ... [2022-10-17 17:11:42,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42" (1/1) ... [2022-10-17 17:11:42,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:11:42,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:11:42,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:11:42,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:11:42,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42" (1/1) ... [2022-10-17 17:11:42,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:11:42,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:11:42,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:11:42,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:11:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:11:42,542 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-10-17 17:11:42,543 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-10-17 17:11:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:11:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-10-17 17:11:42,543 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-10-17 17:11:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:11:42,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:11:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:11:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:11:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:11:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:11:42,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:11:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-10-17 17:11:42,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-10-17 17:11:42,546 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-10-17 17:11:42,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-10-17 17:11:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-10-17 17:11:42,547 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-10-17 17:11:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:11:42,547 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:11:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:11:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:11:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:11:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-10-17 17:11:42,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-10-17 17:11:42,548 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-10-17 17:11:42,548 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-10-17 17:11:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:11:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:11:42,931 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:11:42,934 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:11:43,332 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:11:43,428 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:11:43,428 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:11:43,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:11:43 BoogieIcfgContainer [2022-10-17 17:11:43,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:11:43,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:11:43,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:11:43,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:11:43,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:11:39" (1/3) ... [2022-10-17 17:11:43,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c41f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:11:43, skipping insertion in model container [2022-10-17 17:11:43,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:11:42" (2/3) ... [2022-10-17 17:11:43,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c41f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:11:43, skipping insertion in model container [2022-10-17 17:11:43,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:11:43" (3/3) ... [2022-10-17 17:11:43,440 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-10-17 17:11:43,458 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:11:43,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:11:43,512 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:11:43,519 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;@69776a0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:11:43,519 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:11:43,524 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) [2022-10-17 17:11:43,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 17:11:43,535 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:11:43,536 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] [2022-10-17 17:11:43,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:11:43,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:11:43,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1663978418, now seen corresponding path program 1 times [2022-10-17 17:11:43,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:11:43,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239956913] [2022-10-17 17:11:43,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:11:43,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:11:43,748 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 17:11:43,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138962132] [2022-10-17 17:11:43,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:11:43,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 17:11:43,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:11:43,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 17:11:43,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 17:11:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:11:44,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:11:44,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:11:44,311 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-17 17:11:44,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 17:11:44,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:11:44,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239956913] [2022-10-17 17:11:44,312 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 17:11:44,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138962132] [2022-10-17 17:11:44,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138962132] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:11:44,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:11:44,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 17:11:44,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031268480] [2022-10-17 17:11:44,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:11:44,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 17:11:44,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:11:44,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 17:11:44,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 17:11:44,370 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) [2022-10-17 17:11:44,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:11:44,671 INFO L93 Difference]: Finished difference Result 145 states and 194 transitions. [2022-10-17 17:11:44,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 17:11:44,674 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 [2022-10-17 17:11:44,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:11:44,684 INFO L225 Difference]: With dead ends: 145 [2022-10-17 17:11:44,684 INFO L226 Difference]: Without dead ends: 80 [2022-10-17 17:11:44,688 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 [2022-10-17 17:11:44,691 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 [2022-10-17 17:11:44,693 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] [2022-10-17 17:11:44,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-10-17 17:11:44,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-10-17 17:11:44,762 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) [2022-10-17 17:11:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-10-17 17:11:44,766 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 65 [2022-10-17 17:11:44,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:11:44,768 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-10-17 17:11:44,769 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) [2022-10-17 17:11:44,769 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-10-17 17:11:44,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 17:11:44,772 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:11:44,773 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] [2022-10-17 17:11:44,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 17:11:44,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-10-17 17:11:44,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:11:44,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:11:44,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1491149490, now seen corresponding path program 1 times [2022-10-17 17:11:44,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:11:44,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966072044] [2022-10-17 17:11:44,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:11:44,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:11:45,132 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-10-17 17:11:45,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [591159800] [2022-10-17 17:11:45,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:11:45,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 17:11:45,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:11:45,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 17:11:45,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a482fc-938d-43c5-80d5-0df0f4fb49c0/bin/utaipan-G1rejxKTta/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-17 17:11:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:11:45,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 123 conjunts are in the unsatisfiable core [2022-10-17 17:11:45,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:11:45,957 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 [2022-10-17 17:11:45,992 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 [2022-10-17 17:11:59,196 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 [2022-10-17 17:12:03,790 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 170 treesize of output 189 [2022-10-17 17:12:03,860 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 [2022-10-17 17:12:04,089 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-10-17 17:12:04,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 17:12:09,161 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 [2022-10-17 17:12:12,944 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 [2022-10-17 17:12:13,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:12:13,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966072044] [2022-10-17 17:12:13,023 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-10-17 17:12:13,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591159800] [2022-10-17 17:12:13,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591159800] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 17:12:13,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [785592480] [2022-10-17 17:12:13,056 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-10-17 17:12:13,058 INFO L166 IcfgInterpreter]: Building call graph [2022-10-17 17:12:13,062 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-10-17 17:12:13,068 INFO L176 IcfgInterpreter]: Starting interpretation [2022-10-17 17:12:13,068 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-10-17 17:12:13,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:13,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:13,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:13,246 INFO L356 Elim1Store]: treesize reduction 89, result has 38.2 percent of original size [2022-10-17 17:12:13,247 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 [2022-10-17 17:12:13,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:13,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:13,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:13,393 INFO L356 Elim1Store]: treesize reduction 154, result has 26.0 percent of original size [2022-10-17 17:12:13,400 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 [2022-10-17 17:12:14,033 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 [2022-10-17 17:12:14,038 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 [2022-10-17 17:12:14,077 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 [2022-10-17 17:12:14,084 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 [2022-10-17 17:12:14,092 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 [2022-10-17 17:12:14,101 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 [2022-10-17 17:12:14,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:12:14,389 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-10-17 17:12:14,390 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 [2022-10-17 17:12:14,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:12:14,586 INFO L356 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-10-17 17:12:14,586 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 [2022-10-17 17:12:14,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,706 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 [2022-10-17 17:12:14,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:14,789 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 [2022-10-17 17:12:15,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:15,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:15,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:15,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:12:15,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:12:15,141 INFO L356 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-10-17 17:12:15,142 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