./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/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_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 04:41:40,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:41:40,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:41:40,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:41:40,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:41:40,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:41:40,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:41:40,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:41:40,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:41:40,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:41:40,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:41:40,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:41:40,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:41:40,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:41:40,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:41:40,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:41:40,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:41:40,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:41:40,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:41:40,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:41:40,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:41:40,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:41:40,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:41:40,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:41:40,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:41:40,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:41:40,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:41:40,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:41:40,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:41:40,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:41:40,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:41:40,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:41:40,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:41:40,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:41:40,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:41:40,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:41:40,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:41:40,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:41:40,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:41:40,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:41:40,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:41:40,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 04:41:40,184 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:41:40,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:41:40,194 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:41:40,194 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:41:40,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:41:40,195 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:41:40,195 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:41:40,195 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:41:40,195 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:41:40,196 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:41:40,196 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:41:40,196 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:41:40,196 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:41:40,196 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:41:40,196 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:41:40,196 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:41:40,197 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:41:40,197 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:41:40,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:41:40,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:41:40,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:41:40,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:41:40,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:41:40,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:41:40,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:41:40,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:41:40,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:41:40,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:41:40,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:41:40,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:41:40,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:41:40,199 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:41:40,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:41:40,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:41:40,200 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:41:40,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:41:40,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:41:40,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:41:40,200 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_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-12-14 04:41:40,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:41:40,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:41:40,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:41:40,388 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:41:40,388 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:41:40,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-12-14 04:41:42,916 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:41:43,208 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:41:43,209 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-12-14 04:41:43,227 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/data/0a08cb1b6/ead5b5e42b3c4f17a8995d1383772763/FLAG47f62a2f0 [2022-12-14 04:41:43,496 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/data/0a08cb1b6/ead5b5e42b3c4f17a8995d1383772763 [2022-12-14 04:41:43,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:41:43,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:41:43,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:41:43,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:41:43,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:41:43,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:41:43" (1/1) ... [2022-12-14 04:41:43,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76604c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:43, skipping insertion in model container [2022-12-14 04:41:43,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:41:43" (1/1) ... [2022-12-14 04:41:43,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:41:43,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:41:43,740 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-12-14 04:41:43,746 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-12-14 04:41:44,360 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:41:44,409 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,409 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,410 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,410 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,411 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,420 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,421 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,422 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,423 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,424 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,425 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,425 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,426 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,486 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:41:44,487 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:41:44,487 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:41:44,491 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:41:44,492 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:41:44,493 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:41:44,698 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:41:44,699 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:41:44,699 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:41:44,700 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:41:44,701 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:41:44,702 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:41:44,702 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:41:44,703 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:41:44,703 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:41:44,704 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:41:44,704 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:41:44,803 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,808 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:41:44,830 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:41:44,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-12-14 04:41:44,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-12-14 04:41:44,866 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:41:44,878 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,878 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,878 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,879 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,879 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,884 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,885 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,885 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,886 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,887 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,887 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,888 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,888 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,894 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:41:44,894 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:41:44,894 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:41:44,897 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:41:44,898 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:41:44,899 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:41:44,915 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:41:44,916 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:41:44,917 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:41:44,917 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:41:44,918 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:41:44,919 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:41:44,919 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:41:44,919 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:41:44,920 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:41:44,920 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:41:44,920 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:41:44,943 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,947 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:41:44,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:41:45,082 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:41:45,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45 WrapperNode [2022-12-14 04:41:45,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:41:45,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:41:45,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:41:45,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:41:45,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45" (1/1) ... [2022-12-14 04:41:45,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45" (1/1) ... [2022-12-14 04:41:45,148 INFO L138 Inliner]: procedures = 681, calls = 1245, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 157 [2022-12-14 04:41:45,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:41:45,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:41:45,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:41:45,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:41:45,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45" (1/1) ... [2022-12-14 04:41:45,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45" (1/1) ... [2022-12-14 04:41:45,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45" (1/1) ... [2022-12-14 04:41:45,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45" (1/1) ... [2022-12-14 04:41:45,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45" (1/1) ... [2022-12-14 04:41:45,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45" (1/1) ... [2022-12-14 04:41:45,171 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45" (1/1) ... [2022-12-14 04:41:45,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45" (1/1) ... [2022-12-14 04:41:45,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:41:45,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:41:45,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:41:45,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:41:45,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45" (1/1) ... [2022-12-14 04:41:45,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:41:45,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:41:45,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:41:45,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:41:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:41:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 04:41:45,225 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 04:41:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 04:41:45,225 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 04:41:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 04:41:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 04:41:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 04:41:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:41:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:41:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:41:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:41:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:41:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 04:41:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 04:41:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 04:41:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 04:41:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 04:41:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 04:41:45,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 04:41:45,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 04:41:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:41:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:41:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 04:41:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 04:41:45,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 04:41:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 04:41:45,227 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 04:41:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 04:41:45,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:41:45,410 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:41:45,411 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:41:45,646 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:41:45,728 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:41:45,728 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 04:41:45,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:41:45 BoogieIcfgContainer [2022-12-14 04:41:45,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:41:45,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:41:45,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:41:45,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:41:45,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:41:43" (1/3) ... [2022-12-14 04:41:45,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f1684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:41:45, skipping insertion in model container [2022-12-14 04:41:45,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:41:45" (2/3) ... [2022-12-14 04:41:45,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f1684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:41:45, skipping insertion in model container [2022-12-14 04:41:45,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:41:45" (3/3) ... [2022-12-14 04:41:45,739 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-12-14 04:41:45,767 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:41:45,767 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 04:41:45,817 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:41:45,823 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;@54aec9d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:41:45,823 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 04:41:45,827 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) [2022-12-14 04:41:45,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 04:41:45,836 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:45,837 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] [2022-12-14 04:41:45,837 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:41:45,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:45,842 INFO L85 PathProgramCache]: Analyzing trace with hash -91462356, now seen corresponding path program 1 times [2022-12-14 04:41:45,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:45,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528517853] [2022-12-14 04:41:45,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:45,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:45,991 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:41:45,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [284996090] [2022-12-14 04:41:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:45,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:41:45,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:41:45,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:41:45,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 04:41:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:46,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 04:41:46,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:41:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 04:41:46,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:41:46,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:41:46,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528517853] [2022-12-14 04:41:46,295 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:41:46,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284996090] [2022-12-14 04:41:46,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284996090] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:41:46,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:41:46,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 04:41:46,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678702886] [2022-12-14 04:41:46,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:41:46,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:41:46,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:41:46,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:41:46,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:41:46,324 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) [2022-12-14 04:41:46,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:41:46,521 INFO L93 Difference]: Finished difference Result 145 states and 194 transitions. [2022-12-14 04:41:46,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 04:41:46,523 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 [2022-12-14 04:41:46,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:41:46,529 INFO L225 Difference]: With dead ends: 145 [2022-12-14 04:41:46,529 INFO L226 Difference]: Without dead ends: 80 [2022-12-14 04:41:46,532 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 [2022-12-14 04:41:46,534 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 36 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:41:46,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 355 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 04:41:46,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-12-14 04:41:46,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-12-14 04:41:46,564 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) [2022-12-14 04:41:46,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-12-14 04:41:46,567 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 65 [2022-12-14 04:41:46,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:41:46,568 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-12-14 04:41:46,568 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) [2022-12-14 04:41:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-12-14 04:41:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 04:41:46,570 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:41:46,570 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] [2022-12-14 04:41:46,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:41:46,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 04:41:46,771 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:41:46,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:41:46,772 INFO L85 PathProgramCache]: Analyzing trace with hash -864908175, now seen corresponding path program 1 times [2022-12-14 04:41:46,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:41:46,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16900316] [2022-12-14 04:41:46,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:46,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:41:46,844 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:41:46,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343240311] [2022-12-14 04:41:46,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:41:46,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:41:46,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:41:46,846 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:41:46,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 04:41:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:41:47,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 251 conjunts are in the unsatisfiable core [2022-12-14 04:41:47,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:41:47,235 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 04:41:47,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 04:41:47,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 04:41:47,634 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-12-14 04:41:47,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-12-14 04:41:47,873 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 04:41:47,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 04:41:47,962 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2022-12-14 04:41:47,962 INFO L350 Elim1Store]: Elim1 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 17 treesize of output 22 [2022-12-14 04:41:48,038 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-14 04:41:48,081 INFO L321 Elim1Store]: treesize reduction 78, result has 26.4 percent of original size [2022-12-14 04:41:48,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 27 treesize of output 45 [2022-12-14 04:41:49,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 04:41:49,418 INFO L321 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-12-14 04:41:49,419 INFO L350 Elim1Store]: Elim1 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 22 treesize of output 33 [2022-12-14 04:41:57,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:57,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:57,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:41:57,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:41:57,966 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 04:41:57,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 70 [2022-12-14 04:41:58,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 04:42:00,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 154 [2022-12-14 04:42:08,845 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 04:42:08,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 3 case distinctions, treesize of input 277 treesize of output 419 [2022-12-14 04:42:08,999 INFO L321 Elim1Store]: treesize reduction 72, result has 6.5 percent of original size [2022-12-14 04:42:09,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 175 treesize of output 262 [2022-12-14 04:42:09,542 INFO L321 Elim1Store]: treesize reduction 44, result has 77.2 percent of original size [2022-12-14 04:42:09,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 165 treesize of output 295 [2022-12-14 04:42:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 68 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 04:42:09,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:18,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-14 04:42:21,985 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:42:21,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16900316] [2022-12-14 04:42:21,986 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:42:21,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343240311] [2022-12-14 04:42:21,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343240311] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:42:21,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1460875780] [2022-12-14 04:42:22,001 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-12-14 04:42:22,001 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 04:42:22,004 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 04:42:22,008 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 04:42:22,009 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 04:42:22,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,099 INFO L321 Elim1Store]: treesize reduction 66, result has 39.4 percent of original size [2022-12-14 04:42:22,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 65 [2022-12-14 04:42:22,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,180 INFO L321 Elim1Store]: treesize reduction 116, result has 26.1 percent of original size [2022-12-14 04:42:22,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 49 treesize of output 81 [2022-12-14 04:42:22,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 04:42:22,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 04:42:22,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 04:42:22,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:42:22,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:42:22,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:42:22,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:22,565 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 04:42:22,565 INFO L350 Elim1Store]: Elim1 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 22 [2022-12-14 04:42:22,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:22,657 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-12-14 04:42:22,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 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 [2022-12-14 04:42:22,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-12-14 04:42:22,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 22 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 [2022-12-14 04:42:22,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:22,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:22,980 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-12-14 04:42:22,981 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 04:42:23,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:23,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:23,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:23,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 18 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-12-14 04:42:23,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:23,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:23,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:23,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:23,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:23,077 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 60 treesize of output 22 [2022-12-14 04:42:23,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:23,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:23,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:23,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 22 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 [2022-12-14 04:42:23,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 04:42:23,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 04:42:23,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:23,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:23,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:23,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:23,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:23,820 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 04:42:24,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:24,011 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 04:42:24,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 04:42:24,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:42:24,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:42:24,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 04:42:24,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 04:42:24,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 04:42:24,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 04:42:24,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 04:42:25,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:25,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 33 [2022-12-14 04:42:25,212 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 04:42:25,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2022-12-14 04:42:25,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 04:42:25,461 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 04:42:25,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 04:42:25,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 04:42:25,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:25,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:25,554 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:42:25,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 04:42:25,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:25,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:25,602 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:42:25,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 04:42:25,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 04:42:25,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:25,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:25,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 04:42:25,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 04:42:25,825 INFO L350 Elim1Store]: Elim1 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 30 treesize of output 12 [2022-12-14 04:42:25,907 INFO L350 Elim1Store]: Elim1 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 30 treesize of output 12 [2022-12-14 04:42:25,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 04:42:25,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 04:42:25,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:25,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 04:42:26,284 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 13 for LOIs [2022-12-14 04:42:26,288 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 103 for LOIs [2022-12-14 04:42:26,352 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 04:42:26,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 04:42:26,368 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 04:42:26,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 04:42:26,504 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 04:42:26,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 04:42:26,520 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 04:42:26,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 04:42:26,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 04:42:26,722 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 04:42:26,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 04:42:26,739 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-14 04:42:26,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 04:42:26,752 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 19 for LOIs [2022-12-14 04:42:26,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:42:26,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:42:26,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 04:42:26,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 04:42:26,842 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 19 for LOIs [2022-12-14 04:42:26,847 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 78 for LOIs [2022-12-14 04:42:27,120 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 13 for LOIs [2022-12-14 04:42:27,121 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 04:43:02,835 WARN L233 SmtUtils]: Spent 7.18s on a formula simplification. DAG size of input: 97 DAG size of output: 91 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 04:43:14,103 WARN L233 SmtUtils]: Spent 9.67s on a formula simplification. DAG size of input: 128 DAG size of output: 120 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 04:43:47,237 WARN L233 SmtUtils]: Spent 25.89s on a formula simplification. DAG size of input: 138 DAG size of output: 115 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 04:44:19,332 WARN L233 SmtUtils]: Spent 25.53s on a formula simplification. DAG size of input: 160 DAG size of output: 137 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 04:44:48,066 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '905#(and (= |~#s_can_fail_allocator_static~0.base| 4) (= (mod __VERIFIER_assert_~cond 256) 0) (= |~#s_can_fail_allocator_static~0.offset| 0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= |#NULL.offset| 0) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0))' at error location [2022-12-14 04:44:48,066 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 04:44:48,066 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:44:48,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2022-12-14 04:44:48,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798293777] [2022-12-14 04:44:48,066 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-12-14 04:44:48,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-12-14 04:44:48,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:44:48,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-12-14 04:44:48,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=388, Invalid=6730, Unknown=22, NotChecked=0, Total=7140 [2022-12-14 04:44:48,069 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 43 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 33 states have internal predecessors, (36), 13 states have call successors, (18), 10 states have call predecessors, (18), 14 states have return successors, (17), 14 states have call predecessors, (17), 12 states have call successors, (17) [2022-12-14 04:44:51,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:44:55,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:00,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:02,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:05,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:12,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:13,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:24,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:26,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:37,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:39,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:43,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:45,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:49,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:51,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:54,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:45:58,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:00,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:01,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:04,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:06,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:08,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:10,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:12,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:15,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:17,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:20,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:22,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:25,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:31,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:34,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:38,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:42,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:44,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:48,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:50,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:52,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:55,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:46:59,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:47:01,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:47:03,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 04:47:07,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:47:07,117 INFO L93 Difference]: Finished difference Result 269 states and 376 transitions. [2022-12-14 04:47:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-12-14 04:47:07,118 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 33 states have internal predecessors, (36), 13 states have call successors, (18), 10 states have call predecessors, (18), 14 states have return successors, (17), 14 states have call predecessors, (17), 12 states have call successors, (17) Word has length 74 [2022-12-14 04:47:07,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:47:07,122 INFO L225 Difference]: With dead ends: 269 [2022-12-14 04:47:07,122 INFO L226 Difference]: Without dead ends: 267 [2022-12-14 04:47:07,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 61 SyntacticMatches, 13 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5589 ImplicationChecksByTransitivity, 188.9s TimeCoverageRelationStatistics Valid=821, Invalid=14898, Unknown=31, NotChecked=0, Total=15750 [2022-12-14 04:47:07,126 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 448 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 5307 mSolverCounterSat, 808 mSolverCounterUnsat, 46 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 6161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 808 IncrementalHoareTripleChecker+Valid, 5307 IncrementalHoareTripleChecker+Invalid, 46 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108.3s IncrementalHoareTripleChecker+Time [2022-12-14 04:47:07,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 666 Invalid, 6161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [808 Valid, 5307 Invalid, 46 Unknown, 0 Unchecked, 108.3s Time] [2022-12-14 04:47:07,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-12-14 04:47:07,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 192. [2022-12-14 04:47:07,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 97 states have (on average 1.0824742268041236) internal successors, (105), 102 states have internal predecessors, (105), 73 states have call successors, (73), 19 states have call predecessors, (73), 21 states have return successors, (83), 70 states have call predecessors, (83), 69 states have call successors, (83) [2022-12-14 04:47:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 261 transitions. [2022-12-14 04:47:07,182 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 261 transitions. Word has length 74 [2022-12-14 04:47:07,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:47:07,182 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 261 transitions. [2022-12-14 04:47:07,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 33 states have internal predecessors, (36), 13 states have call successors, (18), 10 states have call predecessors, (18), 14 states have return successors, (17), 14 states have call predecessors, (17), 12 states have call successors, (17) [2022-12-14 04:47:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 261 transitions. [2022-12-14 04:47:07,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-14 04:47:07,186 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:47:07,186 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] [2022-12-14 04:47:07,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 04:47:07,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:47:07,387 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:47:07,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:47:07,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1095171767, now seen corresponding path program 1 times [2022-12-14 04:47:07,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:47:07,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123065031] [2022-12-14 04:47:07,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:47:07,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:47:07,455 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:47:07,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [698421449] [2022-12-14 04:47:07,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:47:07,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:47:07,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:47:07,456 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:47:07,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 04:47:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:47:07,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-14 04:47:07,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:47:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-14 04:47:07,678 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:47:07,678 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:47:07,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123065031] [2022-12-14 04:47:07,678 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:47:07,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698421449] [2022-12-14 04:47:07,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698421449] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:47:07,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:47:07,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 04:47:07,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5750557] [2022-12-14 04:47:07,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:47:07,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 04:47:07,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:47:07,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 04:47:07,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:47:07,679 INFO L87 Difference]: Start difference. First operand 192 states and 261 transitions. Second operand has 9 states, 5 states have (on average 6.2) internal successors, (31), 8 states have internal predecessors, (31), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-12-14 04:47:07,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:47:07,863 INFO L93 Difference]: Finished difference Result 311 states and 399 transitions. [2022-12-14 04:47:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 04:47:07,863 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 5 states have (on average 6.2) internal successors, (31), 8 states have internal predecessors, (31), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 78 [2022-12-14 04:47:07,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:47:07,864 INFO L225 Difference]: With dead ends: 311 [2022-12-14 04:47:07,864 INFO L226 Difference]: Without dead ends: 163 [2022-12-14 04:47:07,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 04:47:07,866 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 23 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:47:07,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 504 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 04:47:07,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-12-14 04:47:07,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2022-12-14 04:47:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 85 states have (on average 1.0823529411764705) internal successors, (92), 89 states have internal predecessors, (92), 56 states have call successors, (56), 19 states have call predecessors, (56), 21 states have return successors, (61), 54 states have call predecessors, (61), 52 states have call successors, (61) [2022-12-14 04:47:07,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 209 transitions. [2022-12-14 04:47:07,907 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 209 transitions. Word has length 78 [2022-12-14 04:47:07,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:47:07,908 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 209 transitions. [2022-12-14 04:47:07,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 5 states have (on average 6.2) internal successors, (31), 8 states have internal predecessors, (31), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-12-14 04:47:07,908 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 209 transitions. [2022-12-14 04:47:07,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-14 04:47:07,910 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:47:07,910 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] [2022-12-14 04:47:07,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 04:47:08,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:47:08,112 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:47:08,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:47:08,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1541306185, now seen corresponding path program 2 times [2022-12-14 04:47:08,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:47:08,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510629022] [2022-12-14 04:47:08,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:47:08,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:47:08,175 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:47:08,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2079691592] [2022-12-14 04:47:08,175 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 04:47:08,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:47:08,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:47:08,176 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:47:08,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 04:47:08,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 04:47:08,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 04:47:08,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 04:47:08,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:47:08,541 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 04:47:08,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:47:08,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:47:08,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510629022] [2022-12-14 04:47:08,542 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 04:47:08,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079691592] [2022-12-14 04:47:08,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079691592] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:47:08,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:47:08,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 04:47:08,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296216365] [2022-12-14 04:47:08,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:47:08,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 04:47:08,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:47:08,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 04:47:08,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-14 04:47:08,543 INFO L87 Difference]: Start difference. First operand 163 states and 209 transitions. Second operand has 9 states, 5 states have (on average 6.4) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 04:47:08,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:47:08,706 INFO L93 Difference]: Finished difference Result 281 states and 349 transitions. [2022-12-14 04:47:08,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 04:47:08,707 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 5 states have (on average 6.4) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) Word has length 78 [2022-12-14 04:47:08,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:47:08,708 INFO L225 Difference]: With dead ends: 281 [2022-12-14 04:47:08,708 INFO L226 Difference]: Without dead ends: 159 [2022-12-14 04:47:08,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-12-14 04:47:08,709 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 1 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 04:47:08,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 641 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 04:47:08,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-14 04:47:08,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2022-12-14 04:47:08,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 83 states have (on average 1.0843373493975903) internal successors, (90), 87 states have internal predecessors, (90), 54 states have call successors, (54), 19 states have call predecessors, (54), 21 states have return successors, (56), 52 states have call predecessors, (56), 50 states have call successors, (56) [2022-12-14 04:47:08,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 200 transitions. [2022-12-14 04:47:08,733 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 200 transitions. Word has length 78 [2022-12-14 04:47:08,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:47:08,734 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 200 transitions. [2022-12-14 04:47:08,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 5 states have (on average 6.4) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 04:47:08,734 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 200 transitions. [2022-12-14 04:47:08,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-14 04:47:08,736 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:47:08,736 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] [2022-12-14 04:47:08,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 04:47:08,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:47:08,937 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:47:08,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:47:08,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1220921545, now seen corresponding path program 3 times [2022-12-14 04:47:08,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:47:08,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370634118] [2022-12-14 04:47:08,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:47:08,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:47:08,997 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 04:47:08,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1620696483] [2022-12-14 04:47:08,998 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 04:47:08,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:47:08,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:47:08,999 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:47:08,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 04:47:09,302 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 04:47:09,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-12-14 04:47:09,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 04:47:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 04:47:09,626 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 04:47:09,626 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 04:47:09,627 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 04:47:09,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 04:47:09,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:47:09,839 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2022-12-14 04:47:09,848 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 04:47:09,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:47:09 BoogieIcfgContainer [2022-12-14 04:47:09,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 04:47:09,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 04:47:09,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 04:47:09,903 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 04:47:09,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:41:45" (3/4) ... [2022-12-14 04:47:09,906 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 04:47:09,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 04:47:09,906 INFO L158 Benchmark]: Toolchain (without parser) took 326405.78ms. Allocated memory was 142.6MB in the beginning and 262.1MB in the end (delta: 119.5MB). Free memory was 99.6MB in the beginning and 85.7MB in the end (delta: 13.9MB). Peak memory consumption was 137.3MB. Max. memory is 16.1GB. [2022-12-14 04:47:09,906 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:47:09,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1581.01ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 99.3MB in the beginning and 145.1MB in the end (delta: -45.8MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2022-12-14 04:47:09,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.11ms. Allocated memory is still 218.1MB. Free memory was 145.1MB in the beginning and 138.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 04:47:09,906 INFO L158 Benchmark]: Boogie Preprocessor took 27.11ms. Allocated memory is still 218.1MB. Free memory was 138.8MB in the beginning and 135.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 04:47:09,907 INFO L158 Benchmark]: RCFGBuilder took 554.61ms. Allocated memory is still 218.1MB. Free memory was 135.6MB in the beginning and 95.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-14 04:47:09,907 INFO L158 Benchmark]: TraceAbstraction took 324169.40ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 95.8MB in the beginning and 85.7MB in the end (delta: 10.1MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2022-12-14 04:47:09,907 INFO L158 Benchmark]: Witness Printer took 2.50ms. Allocated memory is still 262.1MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:47:09,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1581.01ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 99.3MB in the beginning and 145.1MB in the end (delta: -45.8MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.11ms. Allocated memory is still 218.1MB. Free memory was 145.1MB in the beginning and 138.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.11ms. Allocated memory is still 218.1MB. Free memory was 138.8MB in the beginning and 135.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 554.61ms. Allocated memory is still 218.1MB. Free memory was 135.6MB in the beginning and 95.8MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 324169.40ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 95.8MB in the beginning and 85.7MB in the end (delta: 10.1MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Witness Printer took 2.50ms. Allocated memory is still 262.1MB. Free memory is still 85.7MB. 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={7:0}, list={8:0}, s_can_fail_allocator_static={4:0}, 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={4:0}, 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={7:0}, list={8:0}, s_can_fail_allocator_static={4:0}, 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={4:0}, 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={7:0}, list={8:0}, s_can_fail_allocator_static={4:0}, 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={4:0}, 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={4:0}, 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={7:0}, r={7:0}, s_can_fail_allocator_static={4:0}, 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={7:0}, r={7:0}, s_can_fail_allocator_static={4:0}, 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={7:0}, list={8:0}, s_can_fail_allocator_static={4:0}, 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={4:0}, 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={7:0}, list={8:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7599] EXPR \read(len) VAL [\read(len)=170141183460469231713240559642174554112, initial_item_allocation=9223372036854775808, item_size=2, len={7:0}, list={8:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7599] CALL, EXPR bounded_malloc(len) VAL [\old(size)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L2779-L2781] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, 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={4:0}, size=0, tl_last_error=0] [L2782] return malloc(size); [L7599] RET, EXPR bounded_malloc(len) VAL [\read(len)=170141183460469231713240559642174554112, bounded_malloc(len)={-2:0}, initial_item_allocation=9223372036854775808, item_size=2, len={7:0}, list={8:0}, s_can_fail_allocator_static={4:0}, 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={-2:0}, array={-2:0}, s_can_fail_allocator_static={4:0}, size=0, storage={5:0}, storage={5:0}, 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={4:0}, 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={8:0}, list={8:0}, raw_array={-2:0}, raw_array={-2:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3240-L3242] CALL assume_abort_if_not((raw_array != ((void *)0) )) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, 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={8:0}, list={8:0}, raw_array={-2:0}, raw_array={-2:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3243] CALL assume_abort_if_not((item_count > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, 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={8:0}, list={8:0}, raw_array={-2:0}, raw_array={-2:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3244] CALL assume_abort_if_not((item_size > 0)) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, 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={8:0}, list={8:0}, raw_array={-2:0}, raw_array={-2:0}, s_can_fail_allocator_static={4:0}, 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={8:0}, list={8:0}, raw_array={-2:0}, raw_array={-2:0}, s_can_fail_allocator_static={4:0}, 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={4:0}, 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={4:0}, 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={8:8}, r={8:8}, s_can_fail_allocator_static={4:0}, 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={8:8}, r={8:8}, s_can_fail_allocator_static={4:0}, 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={8:0}, list={8:0}, raw_array={-2:0}, raw_array={-2:0}, s_can_fail_allocator_static={4:0}, 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={4:0}, 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={8:0}, list={8:0}, no_overflow=1, raw_array={-2:0}, raw_array={-2:0}, s_can_fail_allocator_static={4:0}, 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={8:0}, list={8:0}, no_overflow=1, raw_array={-2:0}, raw_array={-2:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L3256] CALL, EXPR aws_array_list_is_valid(list) VAL [\old(tl_last_error)=0, list={8:0}, s_can_fail_allocator_static={4:0}, 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={8:0}, list={8:0}, list->item_size=-18446744073709551614, list->length=0, required_size={9:0}, s_can_fail_allocator_static={4:0}, 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={9:0}, s_can_fail_allocator_static={4:0}, 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={4:0}, 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)=257, a=0, b=2, r={9:0}, r={9:0}, s_can_fail_allocator_static={4:0}, 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={4:0}, 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={9:0}, r={9:0}, s_can_fail_allocator_static={4:0}, 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={8:0}, list={8:0}, list->item_size=-18446744073709551614, list->length=0, required_size={9:0}, s_can_fail_allocator_static={4:0}, 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={8:0}, list={8:0}, required_size_is_valid=0, s_can_fail_allocator_static={4:0}, 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={8:0}, list={8:0}, no_overflow=1, raw_array={-2:0}, raw_array={-2:0}, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L3256] CALL __VERIFIER_assert((aws_array_list_is_valid(list))) VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}, tl_last_error=4] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}, tl_last_error=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 324.0s, OverallIterations: 5, TraceHistogramMax: 9, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 139.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 mSolverCounterUnknown, 557 SdHoareTripleChecker+Valid, 108.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 508 mSDsluCounter, 2166 SdHoareTripleChecker+Invalid, 107.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1835 mSDsCounter, 841 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5877 IncrementalHoareTripleChecker+Invalid, 6764 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 841 mSolverCounterUnsat, 331 mSDtfsCounter, 5877 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 261 SyntacticMatches, 13 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5592 ImplicationChecksByTransitivity, 189.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=2, InterpolantAutomatonStates: 71, 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, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 35.0s InterpolantComputationTime, 373 NumberOfCodeBlocks, 335 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 291 ConstructedInterpolants, 33 QuantifiedInterpolants, 2353 SizeOfPredicates, 89 NumberOfNonLiveVariables, 2379 ConjunctsInSsa, 315 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 290/358 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 [2022-12-14 04:47:10,114 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-12-14 04:47:10,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/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_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh --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-2329fc7 [2022-12-14 04:47:11,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:47:11,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:47:11,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:47:11,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:47:11,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:47:11,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:47:11,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:47:11,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:47:11,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:47:11,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:47:11,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:47:11,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:47:11,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:47:11,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:47:11,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:47:11,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:47:11,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:47:11,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:47:11,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:47:11,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:47:11,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:47:11,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:47:11,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:47:11,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:47:11,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:47:11,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:47:11,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:47:11,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:47:11,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:47:11,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:47:11,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:47:11,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:47:11,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:47:11,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:47:11,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:47:11,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:47:11,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:47:11,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:47:11,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:47:11,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:47:11,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 04:47:11,443 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:47:11,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:47:11,443 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:47:11,443 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:47:11,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:47:11,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:47:11,444 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:47:11,444 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:47:11,444 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:47:11,444 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:47:11,445 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:47:11,445 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:47:11,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:47:11,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:47:11,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:47:11,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:47:11,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:47:11,446 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 04:47:11,446 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 04:47:11,446 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 04:47:11,446 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:47:11,446 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:47:11,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:47:11,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:47:11,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 04:47:11,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:47:11,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:47:11,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:47:11,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:47:11,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:47:11,448 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 04:47:11,448 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 04:47:11,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:47:11,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:47:11,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 04:47:11,448 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_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2022-12-14 04:47:11,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:47:11,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:47:11,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:47:11,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:47:11,701 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:47:11,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-12-14 04:47:14,268 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:47:14,612 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:47:14,612 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2022-12-14 04:47:14,635 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/data/cf593a0d0/8af64ff3a7424659b5b9d381722ff114/FLAG9cd9410c6 [2022-12-14 04:47:14,820 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/data/cf593a0d0/8af64ff3a7424659b5b9d381722ff114 [2022-12-14 04:47:14,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:47:14,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:47:14,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:47:14,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:47:14,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:47:14,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:47:14" (1/1) ... [2022-12-14 04:47:14,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357d1d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:14, skipping insertion in model container [2022-12-14 04:47:14,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:47:14" (1/1) ... [2022-12-14 04:47:14,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:47:14,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:47:15,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-12-14 04:47:15,123 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-12-14 04:47:15,660 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:47:15,717 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,718 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,719 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,719 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,720 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,734 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,734 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,736 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,737 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,738 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,739 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,740 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,740 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:15,802 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:47:15,802 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:47:15,803 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:47:15,808 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:47:15,810 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:47:15,810 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:47:15,995 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:47:15,996 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:47:15,997 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:47:15,997 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:47:15,998 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:47:15,999 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:47:15,999 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:47:16,000 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:47:16,000 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:47:16,001 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:47:16,001 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:47:16,125 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,132 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:47:16,168 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 04:47:16,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:47:16,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-12-14 04:47:16,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-12-14 04:47:16,238 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:47:16,254 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,254 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,254 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,255 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,256 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,262 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,263 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,264 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,264 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,265 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,266 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,267 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,267 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,274 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:47:16,274 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:47:16,275 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:47:16,278 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:47:16,279 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:47:16,279 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:47:16,298 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:47:16,299 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:47:16,299 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:47:16,300 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:47:16,301 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:47:16,301 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:47:16,302 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:47:16,302 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:47:16,303 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:47:16,303 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:47:16,303 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:47:16,337 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,341 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:47:16,353 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:47:16,366 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2022-12-14 04:47:16,366 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2022-12-14 04:47:16,392 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:47:16,403 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,404 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,404 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,404 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,405 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,410 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,410 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,411 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,411 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,412 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,413 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,413 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,413 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,419 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:47:16,419 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:47:16,420 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:47:16,423 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:47:16,424 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:47:16,424 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:47:16,441 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:47:16,442 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:47:16,442 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:47:16,443 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:47:16,444 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:47:16,444 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:47:16,445 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:47:16,445 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:47:16,445 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:47:16,446 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:47:16,446 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:47:16,466 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,470 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:47:16,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:47:16,635 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:47:16,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16 WrapperNode [2022-12-14 04:47:16,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:47:16,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:47:16,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:47:16,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:47:16,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16" (1/1) ... [2022-12-14 04:47:16,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16" (1/1) ... [2022-12-14 04:47:16,709 INFO L138 Inliner]: procedures = 700, calls = 1245, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 154 [2022-12-14 04:47:16,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:47:16,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:47:16,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:47:16,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:47:16,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16" (1/1) ... [2022-12-14 04:47:16,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16" (1/1) ... [2022-12-14 04:47:16,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16" (1/1) ... [2022-12-14 04:47:16,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16" (1/1) ... [2022-12-14 04:47:16,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16" (1/1) ... [2022-12-14 04:47:16,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16" (1/1) ... [2022-12-14 04:47:16,746 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16" (1/1) ... [2022-12-14 04:47:16,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16" (1/1) ... [2022-12-14 04:47:16,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:47:16,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:47:16,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:47:16,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:47:16,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16" (1/1) ... [2022-12-14 04:47:16,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:47:16,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:47:16,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:47:16,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:47:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:47:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 04:47:16,824 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 04:47:16,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 04:47:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-14 04:47:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 04:47:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 04:47:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 04:47:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 04:47:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:47:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:47:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:47:16,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:47:16,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:47:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 04:47:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 04:47:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 04:47:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 04:47:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 04:47:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-14 04:47:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 04:47:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 04:47:16,826 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 04:47:16,826 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 04:47:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:47:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:47:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-14 04:47:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 04:47:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 04:47:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 04:47:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 04:47:16,827 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 04:47:16,827 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 04:47:17,026 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:47:17,028 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:47:18,856 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:47:18,861 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:47:18,861 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 04:47:18,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:47:18 BoogieIcfgContainer [2022-12-14 04:47:18,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:47:18,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:47:18,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:47:18,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:47:18,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:47:14" (1/3) ... [2022-12-14 04:47:18,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ba273b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:47:18, skipping insertion in model container [2022-12-14 04:47:18,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:16" (2/3) ... [2022-12-14 04:47:18,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ba273b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:47:18, skipping insertion in model container [2022-12-14 04:47:18,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:47:18" (3/3) ... [2022-12-14 04:47:18,868 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2022-12-14 04:47:18,881 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:47:18,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 04:47:18,918 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:47:18,923 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;@1631339b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:47:18,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 04:47:18,926 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) [2022-12-14 04:47:18,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 04:47:18,933 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:47:18,934 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] [2022-12-14 04:47:18,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:47:18,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:47:18,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1769786212, now seen corresponding path program 1 times [2022-12-14 04:47:18,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:47:18,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604298095] [2022-12-14 04:47:18,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:47:18,949 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:47:18,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:47:18,950 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:47:18,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 04:47:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:47:19,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 04:47:19,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:47:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-14 04:47:19,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:47:19,432 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:47:19,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604298095] [2022-12-14 04:47:19,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604298095] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:47:19,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:47:19,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:47:19,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345443817] [2022-12-14 04:47:19,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:47:19,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 04:47:19,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:47:19,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 04:47:19,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 04:47:19,471 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) [2022-12-14 04:47:19,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:47:19,497 INFO L93 Difference]: Finished difference Result 205 states and 286 transitions. [2022-12-14 04:47:19,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 04:47:19,499 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 [2022-12-14 04:47:19,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:47:19,505 INFO L225 Difference]: With dead ends: 205 [2022-12-14 04:47:19,505 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 04:47:19,507 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 [2022-12-14 04:47:19,510 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 [2022-12-14 04:47:19,510 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] [2022-12-14 04:47:19,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 04:47:19,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-12-14 04:47:19,540 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) [2022-12-14 04:47:19,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2022-12-14 04:47:19,543 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 88 [2022-12-14 04:47:19,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:47:19,543 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2022-12-14 04:47:19,543 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) [2022-12-14 04:47:19,544 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2022-12-14 04:47:19,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 04:47:19,546 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:47:19,546 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] [2022-12-14 04:47:19,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:47:19,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:47:19,749 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:47:19,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:47:19,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1769323358, now seen corresponding path program 1 times [2022-12-14 04:47:19,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:47:19,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77758707] [2022-12-14 04:47:19,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:47:19,756 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:47:19,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:47:19,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:47:19,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 04:47:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:47:20,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 04:47:20,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:47:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-14 04:47:20,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:47:20,438 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:47:20,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [77758707] [2022-12-14 04:47:20,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [77758707] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:47:20,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:47:20,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 04:47:20,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814162731] [2022-12-14 04:47:20,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:47:20,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 04:47:20,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:47:20,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 04:47:20,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 04:47:20,442 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) [2022-12-14 04:47:22,561 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 [] [2022-12-14 04:47:23,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:47:23,518 INFO L93 Difference]: Finished difference Result 165 states and 206 transitions. [2022-12-14 04:47:23,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 04:47:23,518 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 [2022-12-14 04:47:23,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:47:23,521 INFO L225 Difference]: With dead ends: 165 [2022-12-14 04:47:23,521 INFO L226 Difference]: Without dead ends: 96 [2022-12-14 04:47:23,521 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 [2022-12-14 04:47:23,522 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 47 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:47:23,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 441 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-12-14 04:47:23,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-12-14 04:47:23,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-12-14 04:47:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 57 states have (on average 1.1228070175438596) internal successors, (64), 58 states have internal predecessors, (64), 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) [2022-12-14 04:47:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 122 transitions. [2022-12-14 04:47:23,532 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 122 transitions. Word has length 88 [2022-12-14 04:47:23,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:47:23,533 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 122 transitions. [2022-12-14 04:47:23,533 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) [2022-12-14 04:47:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 122 transitions. [2022-12-14 04:47:23,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 04:47:23,535 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:47:23,535 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] [2022-12-14 04:47:23,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-12-14 04:47:23,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:47:23,737 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:47:23,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:47:23,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1052461710, now seen corresponding path program 1 times [2022-12-14 04:47:23,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:47:23,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390609999] [2022-12-14 04:47:23,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:47:23,742 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:47:23,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:47:23,743 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:47:23,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 04:47:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:47:25,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 115 conjunts are in the unsatisfiable core [2022-12-14 04:47:25,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:47:25,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 95 [2022-12-14 04:47:33,339 WARN L859 $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 [2022-12-14 04:47:41,028 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_2| (_ BitVec 64)) (|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_3| (_ BitVec 64))) (let ((.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_3|)) (.cse1 (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_2|))) (and (= ((_ extract 31 24) .cse0) (select .cse1 (_ bv3 64))) (bvugt |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv0 64)) (= ((_ extract 47 40) .cse0) (select .cse1 (_ bv5 64))) (= (select .cse1 (_ bv0 64)) ((_ extract 7 0) .cse0)) (bvule |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_3| (_ bv2 64)) (= (select .cse1 (_ bv4 64)) ((_ extract 39 32) .cse0)) (bvule |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv9223372036854775808 64)) (= (select .cse1 (_ bv1 64)) ((_ extract 15 8) .cse0)) (= ((_ extract 23 16) .cse0) (select .cse1 (_ bv2 64))) (= ((_ extract 63 56) .cse0) (select .cse1 (_ bv7 64))) (bvugt |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_3| (_ bv0 64)) (= ((_ extract 55 48) .cse0) (select .cse1 (_ bv6 64)))))) is different from true [2022-12-14 04:48:10,287 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:48:10,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 179 treesize of output 83 [2022-12-14 04:48:17,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:17,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:17,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:17,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:17,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:17,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:17,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:17,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:48:17,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:48:17,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:48:17,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:48:17,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:48:17,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:48:17,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:48:17,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:48:17,853 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 04:49:25,044 WARN L233 SmtUtils]: Spent 17.61s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 04:49:35,487 WARN L837 $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~short133| (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 [2022-12-14 04:49:47,412 WARN L837 $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 [2022-12-14 04:49:47,428 WARN L859 $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 true [2022-12-14 04:49:54,840 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:49:54,841 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 04:50:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 55 refuted. 25 times theorem prover too weak. 64 trivial. 10 not checked. [2022-12-14 04:50:02,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:50:25,696 WARN L233 SmtUtils]: Spent 8.54s 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) [2022-12-14 04:50:43,332 WARN L233 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 04:50:49,703 WARN L859 $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 true [2022-12-14 04:50:49,704 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 04:50:49,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390609999] [2022-12-14 04:50:49,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390609999] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:50:49,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [328579783] [2022-12-14 04:50:49,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:49,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 04:50:49,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 04:50:49,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 04:50:49,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-12-14 04:51:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:51:24,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 04:51:24,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:51:39,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 04:51:56,035 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_643 (_ BitVec 64)) (v_ArrVal_642 (_ BitVec 64)) (v_ArrVal_641 (_ BitVec 64)) (v_ArrVal_640 (_ BitVec 64)) (v_ArrVal_639 (_ BitVec 64)) (v_ArrVal_637 (_ BitVec 64)) (v_ArrVal_636 (_ BitVec 64)) (v_ArrVal_644 (_ BitVec 64))) (= (store |c_old(#memory_$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$.base|)) is different from true [2022-12-14 04:52:18,721 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-12-14 04:52:18,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:52:18,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [328579783] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:52:18,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:52:18,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [36] total 51 [2022-12-14 04:52:18,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077601202] [2022-12-14 04:52:18,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:52:18,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 04:52:18,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 04:52:18,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 04:52:18,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=2140, Unknown=93, NotChecked=594, Total=2970 [2022-12-14 04:52:18,724 INFO L87 Difference]: Start difference. First operand 96 states and 122 transitions. Second operand has 17 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 7 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-12-14 04:52:27,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:52:29,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:52:34,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:52:37,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:52:41,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:52:42,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:52:44,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:52:46,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:52:47,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:52:49,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:52:51,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:52:53,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:52:56,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:52:59,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:53:01,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:03,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 04:53:05,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:07,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:13,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:17,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:19,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:21,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:23,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:25,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:27,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:29,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:31,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:33,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:35,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:38,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:40,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:42,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:44,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:46,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:48,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:53:56,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-14 04:54:02,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:54:02,839 INFO L93 Difference]: Finished difference Result 206 states and 269 transitions. [2022-12-14 04:54:02,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-14 04:54:02,840 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 [2022-12-14 04:54:02,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:54:02,842 INFO L225 Difference]: With dead ends: 206 [2022-12-14 04:54:02,842 INFO L226 Difference]: Without dead ends: 139 [2022-12-14 04:54:02,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 600 ImplicationChecksByTransitivity, 176.7s TimeCoverageRelationStatistics Valid=182, Invalid=2823, Unknown=99, NotChecked=678, Total=3782 [2022-12-14 04:54:02,844 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 147 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 137 mSolverCounterUnsat, 97 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 97 IncrementalHoareTripleChecker+Unknown, 181 IncrementalHoareTripleChecker+Unchecked, 99.9s IncrementalHoareTripleChecker+Time [2022-12-14 04:54:02,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 417 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1033 Invalid, 97 Unknown, 181 Unchecked, 99.9s Time] [2022-12-14 04:54:02,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-12-14 04:54:02,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 106. [2022-12-14 04:54:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 65 states have (on average 1.1384615384615384) internal successors, (74), 67 states have internal predecessors, (74), 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) [2022-12-14 04:54:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 136 transitions. [2022-12-14 04:54:02,861 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 136 transitions. Word has length 103 [2022-12-14 04:54:02,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:54:02,861 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 136 transitions. [2022-12-14 04:54:02,862 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) [2022-12-14 04:54:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 136 transitions. [2022-12-14 04:54:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-14 04:54:02,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:54:02,863 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] [2022-12-14 04:54:02,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 04:54:03,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2022-12-14 04:54:03,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 04:54:03,265 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:54:03,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:54:03,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1354483148, now seen corresponding path program 1 times [2022-12-14 04:54:03,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 04:54:03,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [545198604] [2022-12-14 04:54:03,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:54:03,269 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 04:54:03,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 04:54:03,270 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 04:54:03,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18b1d466-8629-4daa-838f-7773f37e08f9/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 04:54:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:54:04,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 120 conjunts are in the unsatisfiable core [2022-12-14 04:54:05,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:54:05,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 95 [2022-12-14 04:54:15,303 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_3| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_5| (_ BitVec 64)) (|ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ BitVec 64))) (let ((.cse1 (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_3|)) (.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_5|))) (and (= ((_ extract 47 40) .cse0) (select .cse1 (_ bv5 64))) (= ((_ extract 39 32) .cse0) (select .cse1 (_ bv4 64))) (bvugt |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv0 64)) (= ((_ extract 55 48) .cse0) (select .cse1 (_ bv6 64))) (= (select .cse1 (_ bv7 64)) ((_ extract 63 56) .cse0)) (bvule |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv9223372036854775808 64)) (bvule |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_5| (_ bv2 64)) (= ((_ extract 31 24) .cse0) (select .cse1 (_ bv3 64))) (= ((_ extract 15 8) .cse0) (select .cse1 (_ bv1 64))) (= ((_ extract 7 0) .cse0) (select .cse1 (_ bv0 64))) (= (select .cse1 (_ bv2 64)) ((_ extract 23 16) .cse0)) (bvugt |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_5| (_ bv0 64))))) is different from true [2022-12-14 04:54:24,251 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_4| (_ BitVec 64)) (|v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_6| (_ BitVec 64)) (|ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ BitVec 64))) (let ((.cse1 (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_6|)) (.cse0 (select |c_#memory_int| |v_ULTIMATE.start_aws_array_list_init_static_harness_~#len~2#1.base_BEFORE_CALL_4|))) (and (= (select .cse0 (_ bv3 64)) ((_ extract 31 24) .cse1)) (bvugt |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_6| (_ bv0 64)) (= ((_ extract 15 8) .cse1) (select .cse0 (_ bv1 64))) (bvugt |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv0 64)) (= (select .cse0 (_ bv4 64)) ((_ extract 39 32) .cse1)) (= (select .cse0 (_ bv5 64)) ((_ extract 47 40) .cse1)) (bvule |ULTIMATE.start_aws_array_list_init_static_harness_~initial_item_allocation~0#1| (_ bv9223372036854775808 64)) (bvule |v_ULTIMATE.start_aws_array_list_init_static_harness_~item_size~0#1_BEFORE_CALL_6| (_ bv2 64)) (= (select .cse0 (_ bv2 64)) ((_ extract 23 16) .cse1)) (= ((_ extract 63 56) .cse1) (select .cse0 (_ bv7 64))) (= (select .cse0 (_ bv0 64)) ((_ extract 7 0) .cse1)) (= ((_ extract 55 48) .cse1) (select .cse0 (_ bv6 64)))))) is different from true [2022-12-14 04:54:54,410 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:54:54,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 179 treesize of output 83 [2022-12-14 04:55:02,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:55:02,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:55:02,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:55:02,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:55:02,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:55:02,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:55:02,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:55:02,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:55:02,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:55:02,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:55:02,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:55:02,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:55:02,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:55:02,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:55:02,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:55:02,460 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 04:55:39,013 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (let ((.cse8 (select |c_#memory_int| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse8 (bvadd (_ bv15 64) c_aws_array_list_is_valid_~list.offset)) (select .cse8 (bvadd (_ bv14 64) c_aws_array_list_is_valid_~list.offset))) (select .cse8 (bvadd (_ bv13 64) c_aws_array_list_is_valid_~list.offset))) (select .cse8 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv12 64)))) (select .cse8 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv11 64)))) (select .cse8 (bvadd (_ bv10 64) c_aws_array_list_is_valid_~list.offset))) (select .cse8 (bvadd (_ bv9 64) c_aws_array_list_is_valid_~list.offset))) (select .cse8 (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) (= |c_aws_array_list_is_valid_#in~list.offset| c_aws_array_list_is_valid_~list.offset) (let ((.cse0 (= (_ bv0 64) .cse1))) (or (and (not .cse0) (not |c_aws_array_list_is_valid_#t~short129|)) (and .cse0 |c_aws_array_list_is_valid_#t~short129|))) (let ((.cse3 (let ((.cse7 (select |c_old(#memory_int)| c_aws_array_list_is_valid_~list.base))) (concat (concat (concat (concat (concat (concat (concat (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv23 64))) (select .cse7 (bvadd c_aws_array_list_is_valid_~list.offset (_ bv22 64)))) (select .cse7 (bvadd (_ bv21 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv20 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv19 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv18 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (bvadd (_ bv17 64) c_aws_array_list_is_valid_~list.offset))) (select .cse7 (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 ((.cse2 (bvmul .cse3 |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) .cse2)) (_ bv1 64) ((_ extract 15 8) .cse2)) (_ bv2 64) ((_ extract 23 16) .cse2)) (_ bv3 64) ((_ extract 31 24) .cse2)) (_ bv4 64) ((_ extract 39 32) .cse2)) (_ bv5 64) ((_ extract 47 40) .cse2)) (_ bv6 64) ((_ extract 55 48) .cse2)) (_ bv7 64) ((_ extract 63 56) .cse2)))) |c_#memory_int|) (not (bvuge .cse1 (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)))))))) (= (_ 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 .cse1 (let ((.cse5 (select |c_#memory_int| |aws_array_list_is_valid_~#required_size~0.base|))) (concat (concat (concat (concat (concat (concat (concat (select .cse5 (_ bv7 64)) (select .cse5 (_ bv6 64))) (select .cse5 (_ bv5 64))) (select .cse5 (_ bv4 64))) (select .cse5 (_ bv3 64))) (select .cse5 (_ bv2 64))) (select .cse5 (_ bv1 64))) (select .cse5 (_ bv0 64))))) (= (store |c_old(#memory_int)| |aws_array_list_is_valid_~#required_size~0.base| (let ((.cse6 (bvmul .cse3 |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) .cse6)) (_ bv1 64) ((_ extract 15 8) .cse6)) (_ bv2 64) ((_ extract 23 16) .cse6)) (_ bv3 64) ((_ extract 31 24) .cse6)) (_ bv4 64) ((_ extract 39 32) .cse6)) (_ bv5 64) ((_ extract 47 40) .cse6)) (_ bv6 64) ((_ extract 55 48) .cse6)) (_ bv7 64) ((_ extract 63 56) .cse6)))) |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 [2022-12-14 04:55:44,289 WARN L837 $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 [2022-12-14 04:55:54,745 WARN L837 $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~short132|)) is different from false [2022-12-14 04:56:02,697 WARN L837 $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~short133| (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 [2022-12-14 04:56:09,947 WARN L837 $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 [2022-12-14 04:56:14,246 INFO L350 Elim1Store]: Elim1 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 [2022-12-14 04:56:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 55 refuted. 25 times theorem prover too weak. 64 trivial. 10 not checked. [2022-12-14 04:56:20,688 INFO L328 TraceCheckSpWp]: Computing backward predicates...