./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/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_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/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_26990767-ed2e-48ca-a28b-7c2a7ccb440c/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 156ab79a85c4b985ced0d661dede185c573e9f8e4fcba49b00d62d883c71bbed --- 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 08:54:50,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:54:50,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:54:50,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:54:50,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:54:50,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:54:50,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:54:50,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:54:50,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:54:50,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:54:50,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:54:50,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:54:50,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:54:50,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:54:50,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:54:50,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:54:50,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:54:50,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:54:50,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:54:50,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:54:50,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:54:50,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:54:50,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:54:50,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:54:50,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:54:50,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:54:50,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:54:50,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:54:50,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:54:50,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:54:50,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:54:50,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:54:50,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:54:50,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:54:50,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:54:50,995 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:54:50,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:54:50,996 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:54:50,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:54:50,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:54:50,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:54:50,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 08:54:51,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:54:51,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:54:51,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:54:51,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:54:51,020 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:54:51,020 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:54:51,021 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:54:51,021 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:54:51,021 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:54:51,021 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:54:51,021 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:54:51,022 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:54:51,022 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:54:51,022 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:54:51,022 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:54:51,022 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:54:51,022 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:54:51,023 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:54:51,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:54:51,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:54:51,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:54:51,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:54:51,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:54:51,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:54:51,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:54:51,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:54:51,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:54:51,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:54:51,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:54:51,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:54:51,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:54:51,026 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:54:51,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:54:51,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:54:51,026 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:54:51,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:54:51,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:54:51,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:54:51,027 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_26990767-ed2e-48ca-a28b-7c2a7ccb440c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 156ab79a85c4b985ced0d661dede185c573e9f8e4fcba49b00d62d883c71bbed [2022-12-14 08:54:51,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:54:51,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:54:51,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:54:51,251 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:54:51,251 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:54:51,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i [2022-12-14 08:54:53,902 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:54:54,196 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:54:54,196 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i [2022-12-14 08:54:54,215 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/data/aa7e85f60/4ddbedfac83c4f37a954ebe6cf454f8c/FLAG7c0fdc8c3 [2022-12-14 08:54:54,226 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/data/aa7e85f60/4ddbedfac83c4f37a954ebe6cf454f8c [2022-12-14 08:54:54,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:54:54,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:54:54,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:54:54,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:54:54,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:54:54,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:54:54" (1/1) ... [2022-12-14 08:54:54,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73272780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:54, skipping insertion in model container [2022-12-14 08:54:54,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:54:54" (1/1) ... [2022-12-14 08:54:54,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:54:54,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:54:54,514 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_26990767-ed2e-48ca-a28b-7c2a7ccb440c/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4495,4508] [2022-12-14 08:54:54,521 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_26990767-ed2e-48ca-a28b-7c2a7ccb440c/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4555,4568] [2022-12-14 08:54:55,171 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 08:54:55,233 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,239 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,239 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,240 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,241 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,242 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,245 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,255 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,255 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,267 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,269 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,269 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,271 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,272 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,272 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,272 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,273 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,326 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:54:55,327 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:54:55,327 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:54:55,330 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 08:54:55,332 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 08:54:55,332 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 08:54:55,547 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:54:55,548 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 08:54:55,549 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 08:54:55,550 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 08:54:55,551 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 08:54:55,553 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 08:54:55,554 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 08:54:55,554 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 08:54:55,555 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 08:54:55,556 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 08:54:55,556 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 08:54:55,709 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,712 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,714 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,715 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,716 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,718 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,722 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,723 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,723 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,724 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,724 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,724 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,770 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 08:54:55,775 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,775 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,776 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:54:55,808 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:54:55,820 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_26990767-ed2e-48ca-a28b-7c2a7ccb440c/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4495,4508] [2022-12-14 08:54:55,820 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_26990767-ed2e-48ca-a28b-7c2a7ccb440c/sv-benchmarks/c/aws-c-common/aws_array_list_set_at_harness.i[4555,4568] [2022-12-14 08:54:55,851 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 08:54:55,862 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,864 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,865 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,865 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,865 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,866 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,867 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,872 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,873 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,873 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,874 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,874 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,875 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,876 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,876 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,876 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,877 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,883 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:54:55,883 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:54:55,884 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 08:54:55,887 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 08:54:55,888 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 08:54:55,889 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 08:54:55,908 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 08:54:55,909 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 08:54:55,910 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 08:54:55,911 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 08:54:55,912 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 08:54:55,913 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 08:54:55,913 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 08:54:55,913 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 08:54:55,914 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 08:54:55,914 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 08:54:55,915 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 08:54:55,939 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,941 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,942 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,943 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,944 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,945 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,947 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,947 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,947 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,948 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,948 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,949 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 08:54:55,963 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 08:54:55,965 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,965 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,966 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 08:54:55,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:54:56,113 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:54:56,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56 WrapperNode [2022-12-14 08:54:56,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:54:56,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:54:56,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:54:56,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:54:56,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56" (1/1) ... [2022-12-14 08:54:56,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56" (1/1) ... [2022-12-14 08:54:56,202 INFO L138 Inliner]: procedures = 691, calls = 1680, calls flagged for inlining = 51, calls inlined = 11, statements flattened = 846 [2022-12-14 08:54:56,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:54:56,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:54:56,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:54:56,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:54:56,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56" (1/1) ... [2022-12-14 08:54:56,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56" (1/1) ... [2022-12-14 08:54:56,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56" (1/1) ... [2022-12-14 08:54:56,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56" (1/1) ... [2022-12-14 08:54:56,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56" (1/1) ... [2022-12-14 08:54:56,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56" (1/1) ... [2022-12-14 08:54:56,244 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56" (1/1) ... [2022-12-14 08:54:56,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56" (1/1) ... [2022-12-14 08:54:56,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:54:56,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:54:56,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:54:56,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:54:56,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56" (1/1) ... [2022-12-14 08:54:56,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:54:56,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:54:56,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:54:56,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:54:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:54:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 08:54:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 08:54:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 08:54:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 08:54:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 08:54:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 08:54:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-12-14 08:54:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-12-14 08:54:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:54:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 08:54:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 08:54:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 08:54:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 08:54:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 08:54:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:54:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 08:54:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 08:54:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 08:54:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:54:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:54:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 08:54:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 08:54:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 08:54:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 08:54:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 08:54:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 08:54:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 08:54:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 08:54:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-12-14 08:54:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-12-14 08:54:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 08:54:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 08:54:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 08:54:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 08:54:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 08:54:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 08:54:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-12-14 08:54:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-12-14 08:54:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:54:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-12-14 08:54:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-12-14 08:54:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 08:54:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 08:54:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 08:54:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 08:54:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 08:54:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 08:54:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-12-14 08:54:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-12-14 08:54:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:54:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 08:54:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 08:54:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2022-12-14 08:54:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2022-12-14 08:54:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:54:56,552 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:54:56,554 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:54:57,492 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:54:57,631 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:54:57,631 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 08:54:57,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:54:57 BoogieIcfgContainer [2022-12-14 08:54:57,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:54:57,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:54:57,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:54:57,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:54:57,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:54:54" (1/3) ... [2022-12-14 08:54:57,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218dafee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:54:57, skipping insertion in model container [2022-12-14 08:54:57,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:54:56" (2/3) ... [2022-12-14 08:54:57,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218dafee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:54:57, skipping insertion in model container [2022-12-14 08:54:57,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:54:57" (3/3) ... [2022-12-14 08:54:57,642 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_set_at_harness.i [2022-12-14 08:54:57,658 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:54:57,658 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 08:54:57,711 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:54:57,717 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;@9596e1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:54:57,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 08:54:57,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 244 states, 127 states have (on average 1.204724409448819) internal successors, (153), 128 states have internal predecessors, (153), 93 states have call successors, (93), 22 states have call predecessors, (93), 22 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-12-14 08:54:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-14 08:54:57,737 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:54:57,738 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:54:57,739 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:54:57,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:54:57,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1659893617, now seen corresponding path program 1 times [2022-12-14 08:54:57,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:54:57,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990184983] [2022-12-14 08:54:57,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:54:57,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:54:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:54:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-14 08:54:58,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:54:58,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990184983] [2022-12-14 08:54:58,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990184983] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 08:54:58,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639442468] [2022-12-14 08:54:58,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:54:58,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:54:58,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:54:58,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:54:58,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 08:54:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:54:58,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 2405 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 08:54:58,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:54:58,898 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-14 08:54:58,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:54:58,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639442468] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:54:58,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 08:54:58,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 08:54:58,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036459766] [2022-12-14 08:54:58,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:54:58,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:54:58,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:54:58,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:54:58,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:54:58,931 INFO L87 Difference]: Start difference. First operand has 244 states, 127 states have (on average 1.204724409448819) internal successors, (153), 128 states have internal predecessors, (153), 93 states have call successors, (93), 22 states have call predecessors, (93), 22 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 08:54:59,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:54:59,407 INFO L93 Difference]: Finished difference Result 467 states and 689 transitions. [2022-12-14 08:54:59,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:54:59,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 114 [2022-12-14 08:54:59,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:54:59,417 INFO L225 Difference]: With dead ends: 467 [2022-12-14 08:54:59,417 INFO L226 Difference]: Without dead ends: 244 [2022-12-14 08:54:59,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 08:54:59,423 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 32 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 08:54:59,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1049 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 08:54:59,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-12-14 08:54:59,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-12-14 08:54:59,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 129 states have internal predecessors, (152), 93 states have call successors, (93), 22 states have call predecessors, (93), 23 states have return successors, (108), 92 states have call predecessors, (108), 92 states have call successors, (108) [2022-12-14 08:54:59,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 353 transitions. [2022-12-14 08:54:59,470 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 353 transitions. Word has length 114 [2022-12-14 08:54:59,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:54:59,471 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 353 transitions. [2022-12-14 08:54:59,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 08:54:59,471 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 353 transitions. [2022-12-14 08:54:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-14 08:54:59,473 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:54:59,474 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:54:59,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 08:54:59,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:54:59,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:54:59,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:54:59,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1529429473, now seen corresponding path program 1 times [2022-12-14 08:54:59,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:54:59,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223903763] [2022-12-14 08:54:59,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:54:59,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:54:59,879 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:54:59,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [646947900] [2022-12-14 08:54:59,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:54:59,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:54:59,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:54:59,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:54:59,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 08:55:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:55:00,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 2669 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 08:55:00,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:55:00,400 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-12-14 08:55:00,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:55:00,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:55:00,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223903763] [2022-12-14 08:55:00,401 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:55:00,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646947900] [2022-12-14 08:55:00,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646947900] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:55:00,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:55:00,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 08:55:00,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796936339] [2022-12-14 08:55:00,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:55:00,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 08:55:00,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:55:00,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 08:55:00,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 08:55:00,403 INFO L87 Difference]: Start difference. First operand 244 states and 353 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2022-12-14 08:55:01,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:55:01,017 INFO L93 Difference]: Finished difference Result 445 states and 643 transitions. [2022-12-14 08:55:01,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 08:55:01,018 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 132 [2022-12-14 08:55:01,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:55:01,021 INFO L225 Difference]: With dead ends: 445 [2022-12-14 08:55:01,021 INFO L226 Difference]: Without dead ends: 244 [2022-12-14 08:55:01,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-14 08:55:01,023 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 127 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1409 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 08:55:01,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1409 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 08:55:01,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-12-14 08:55:01,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2022-12-14 08:55:01,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 129 states have internal predecessors, (152), 93 states have call successors, (93), 22 states have call predecessors, (93), 23 states have return successors, (104), 92 states have call predecessors, (104), 92 states have call successors, (104) [2022-12-14 08:55:01,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 349 transitions. [2022-12-14 08:55:01,049 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 349 transitions. Word has length 132 [2022-12-14 08:55:01,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:55:01,050 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 349 transitions. [2022-12-14 08:55:01,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2022-12-14 08:55:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 349 transitions. [2022-12-14 08:55:01,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-14 08:55:01,052 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:55:01,053 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:01,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 08:55:01,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:55:01,253 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:55:01,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:55:01,254 INFO L85 PathProgramCache]: Analyzing trace with hash -362934088, now seen corresponding path program 2 times [2022-12-14 08:55:01,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:55:01,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930692817] [2022-12-14 08:55:01,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:55:01,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:55:01,334 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:55:01,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [98587023] [2022-12-14 08:55:01,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 08:55:01,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:55:01,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:55:01,336 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:55:01,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 08:55:01,683 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 08:55:01,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:55:01,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 1910 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 08:55:01,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:55:01,718 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-12-14 08:55:01,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:55:01,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:55:01,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930692817] [2022-12-14 08:55:01,719 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:55:01,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98587023] [2022-12-14 08:55:01,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98587023] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:55:01,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:55:01,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:55:01,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222022245] [2022-12-14 08:55:01,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:55:01,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:55:01,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:55:01,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:55:01,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:55:01,721 INFO L87 Difference]: Start difference. First operand 244 states and 349 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 08:55:01,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:55:01,940 INFO L93 Difference]: Finished difference Result 427 states and 602 transitions. [2022-12-14 08:55:01,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:55:01,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 141 [2022-12-14 08:55:01,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:55:01,942 INFO L225 Difference]: With dead ends: 427 [2022-12-14 08:55:01,942 INFO L226 Difference]: Without dead ends: 248 [2022-12-14 08:55:01,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 08:55:01,944 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 1 mSDsluCounter, 920 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1229 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 08:55:01,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1229 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 08:55:01,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-12-14 08:55:01,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-12-14 08:55:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 130 states have (on average 1.1923076923076923) internal successors, (155), 132 states have internal predecessors, (155), 93 states have call successors, (93), 22 states have call predecessors, (93), 24 states have return successors, (106), 93 states have call predecessors, (106), 92 states have call successors, (106) [2022-12-14 08:55:01,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 354 transitions. [2022-12-14 08:55:01,971 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 354 transitions. Word has length 141 [2022-12-14 08:55:01,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:55:01,972 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 354 transitions. [2022-12-14 08:55:01,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 08:55:01,972 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 354 transitions. [2022-12-14 08:55:01,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-14 08:55:01,974 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:55:01,975 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:01,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 08:55:02,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:55:02,176 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:55:02,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:55:02,178 INFO L85 PathProgramCache]: Analyzing trace with hash 311565111, now seen corresponding path program 1 times [2022-12-14 08:55:02,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:55:02,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106523880] [2022-12-14 08:55:02,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:55:02,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:55:02,326 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:55:02,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [992391664] [2022-12-14 08:55:02,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:55:02,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:55:02,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:55:02,328 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:55:02,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 08:55:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:55:02,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 2804 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 08:55:02,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:55:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-12-14 08:55:02,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:55:02,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:55:02,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106523880] [2022-12-14 08:55:02,883 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:55:02,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992391664] [2022-12-14 08:55:02,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992391664] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:55:02,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:55:02,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 08:55:02,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668870396] [2022-12-14 08:55:02,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:55:02,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 08:55:02,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:55:02,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 08:55:02,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 08:55:02,885 INFO L87 Difference]: Start difference. First operand 248 states and 354 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) [2022-12-14 08:55:03,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:55:03,404 INFO L93 Difference]: Finished difference Result 448 states and 637 transitions. [2022-12-14 08:55:03,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 08:55:03,405 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) Word has length 145 [2022-12-14 08:55:03,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:55:03,407 INFO L225 Difference]: With dead ends: 448 [2022-12-14 08:55:03,407 INFO L226 Difference]: Without dead ends: 248 [2022-12-14 08:55:03,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-14 08:55:03,409 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 175 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 08:55:03,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 1551 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 08:55:03,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-12-14 08:55:03,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-12-14 08:55:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 130 states have (on average 1.1923076923076923) internal successors, (155), 132 states have internal predecessors, (155), 93 states have call successors, (93), 22 states have call predecessors, (93), 24 states have return successors, (100), 93 states have call predecessors, (100), 92 states have call successors, (100) [2022-12-14 08:55:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 348 transitions. [2022-12-14 08:55:03,427 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 348 transitions. Word has length 145 [2022-12-14 08:55:03,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:55:03,427 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 348 transitions. [2022-12-14 08:55:03,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 5 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (27), 4 states have call predecessors, (27), 5 states have call successors, (27) [2022-12-14 08:55:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 348 transitions. [2022-12-14 08:55:03,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-14 08:55:03,430 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:55:03,430 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:55:03,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 08:55:03,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:55:03,631 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:55:03,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:55:03,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1384674082, now seen corresponding path program 2 times [2022-12-14 08:55:03,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:55:03,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016002666] [2022-12-14 08:55:03,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:55:03,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:55:03,731 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:55:03,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [244049140] [2022-12-14 08:55:03,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 08:55:03,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:55:03,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:55:03,733 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:55:03,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 08:55:04,222 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 08:55:04,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:55:04,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 1986 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 08:55:04,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:55:04,249 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-12-14 08:55:04,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:55:04,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:55:04,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016002666] [2022-12-14 08:55:04,249 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:55:04,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244049140] [2022-12-14 08:55:04,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244049140] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:55:04,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:55:04,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 08:55:04,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747257062] [2022-12-14 08:55:04,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:55:04,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 08:55:04,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:55:04,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 08:55:04,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:55:04,252 INFO L87 Difference]: Start difference. First operand 248 states and 348 transitions. Second operand has 5 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 08:55:04,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:55:04,602 INFO L93 Difference]: Finished difference Result 445 states and 620 transitions. [2022-12-14 08:55:04,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 08:55:04,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 154 [2022-12-14 08:55:04,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:55:04,605 INFO L225 Difference]: With dead ends: 445 [2022-12-14 08:55:04,605 INFO L226 Difference]: Without dead ends: 248 [2022-12-14 08:55:04,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 08:55:04,607 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 0 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 08:55:04,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1118 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 08:55:04,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-12-14 08:55:04,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-12-14 08:55:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 130 states have (on average 1.1923076923076923) internal successors, (155), 132 states have internal predecessors, (155), 93 states have call successors, (93), 22 states have call predecessors, (93), 24 states have return successors, (99), 93 states have call predecessors, (99), 92 states have call successors, (99) [2022-12-14 08:55:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 347 transitions. [2022-12-14 08:55:04,617 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 347 transitions. Word has length 154 [2022-12-14 08:55:04,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:55:04,617 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 347 transitions. [2022-12-14 08:55:04,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 08:55:04,617 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 347 transitions. [2022-12-14 08:55:04,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-14 08:55:04,618 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:55:04,619 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:04,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 08:55:04,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:55:04,820 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:55:04,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:55:04,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1531052311, now seen corresponding path program 3 times [2022-12-14 08:55:04,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:55:04,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783945438] [2022-12-14 08:55:04,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:55:04,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:55:04,919 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:55:04,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1506670296] [2022-12-14 08:55:04,919 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 08:55:04,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:55:04,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:55:04,920 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:55:04,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 08:55:05,397 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 08:55:05,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 08:55:05,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 3068 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 08:55:05,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:55:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-12-14 08:55:05,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 08:55:05,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:55:05,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783945438] [2022-12-14 08:55:05,503 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:55:05,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506670296] [2022-12-14 08:55:05,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506670296] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:55:05,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:55:05,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 08:55:05,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814744615] [2022-12-14 08:55:05,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:55:05,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 08:55:05,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:55:05,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 08:55:05,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-14 08:55:05,505 INFO L87 Difference]: Start difference. First operand 248 states and 347 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 6 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) [2022-12-14 08:55:06,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:55:06,151 INFO L93 Difference]: Finished difference Result 432 states and 594 transitions. [2022-12-14 08:55:06,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 08:55:06,152 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 6 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) Word has length 163 [2022-12-14 08:55:06,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:55:06,153 INFO L225 Difference]: With dead ends: 432 [2022-12-14 08:55:06,153 INFO L226 Difference]: Without dead ends: 248 [2022-12-14 08:55:06,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-12-14 08:55:06,154 INFO L413 NwaCegarLoop]: 271 mSDtfsCounter, 220 mSDsluCounter, 1449 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 08:55:06,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 1720 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 08:55:06,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-12-14 08:55:06,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-12-14 08:55:06,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 130 states have (on average 1.1923076923076923) internal successors, (155), 132 states have internal predecessors, (155), 93 states have call successors, (93), 22 states have call predecessors, (93), 24 states have return successors, (96), 93 states have call predecessors, (96), 92 states have call successors, (96) [2022-12-14 08:55:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 344 transitions. [2022-12-14 08:55:06,164 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 344 transitions. Word has length 163 [2022-12-14 08:55:06,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:55:06,165 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 344 transitions. [2022-12-14 08:55:06,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 6 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (27), 6 states have call predecessors, (27), 5 states have call successors, (27) [2022-12-14 08:55:06,165 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 344 transitions. [2022-12-14 08:55:06,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-14 08:55:06,166 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:55:06,166 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:55:06,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 08:55:06,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-14 08:55:06,367 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 08:55:06,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:55:06,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1876278174, now seen corresponding path program 1 times [2022-12-14 08:55:06,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:55:06,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91029492] [2022-12-14 08:55:06,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:55:06,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:55:06,467 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 08:55:06,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450850342] [2022-12-14 08:55:06,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:55:06,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 08:55:06,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:55:06,468 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 08:55:06,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26990767-ed2e-48ca-a28b-7c2a7ccb440c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 08:55:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:55:06,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 3200 conjuncts, 56 conjunts are in the unsatisfiable core [2022-12-14 08:55:06,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 08:55:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 161 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2022-12-14 08:55:07,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 08:55:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2022-12-14 08:55:07,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:55:07,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91029492] [2022-12-14 08:55:07,542 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 08:55:07,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450850342] [2022-12-14 08:55:07,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450850342] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 08:55:07,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1809789259] [2022-12-14 08:55:07,560 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2022-12-14 08:55:07,560 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 08:55:07,563 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 08:55:07,567 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 08:55:07,568 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 08:55:10,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:10,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:10,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:10,595 INFO L217 Elim1Store]: Index analysis took 295 ms [2022-12-14 08:55:28,176 WARN L233 SmtUtils]: Spent 17.52s on a formula simplification. DAG size of input: 2128 DAG size of output: 1161 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 08:55:28,179 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-12-14 08:55:28,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19310 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 386 case distinctions, treesize of input 997 treesize of output 2357 [2022-12-14 08:55:31,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:31,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:31,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:55:31,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19307 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 987 treesize of output 1574 [2022-12-14 08:56:30,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:30,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 08:56:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:30,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 08:56:30,837 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 08:56:30,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:30,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:30,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 08:56:33,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:33,598 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 08:56:33,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19501 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 08:56:33,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,006 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 08:56:34,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19305 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 2 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 08:56:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,348 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:56:34,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-12-14 08:56:34,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:34,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:34,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:34,746 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 08:56:34,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-12-14 08:56:35,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:35,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:35,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:35,261 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 08:56:35,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-12-14 08:56:43,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:43,740 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 08:56:43,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19501 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 08:56:44,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:44,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:44,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,225 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 08:56:44,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-12-14 08:56:44,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:44,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:44,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:44,739 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 08:56:44,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-12-14 08:56:45,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1243 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-12-14 08:56:45,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:45,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 08:56:46,347 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 08:56:46,352 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 08:56:46,370 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 08:56:46,373 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 08:56:46,396 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 08:56:46,401 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 08:56:46,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 08:56:46,414 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 08:56:46,454 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:56:46,455 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 08:56:46,462 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 08:56:46,469 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 08:56:46,496 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 08:56:46,500 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 08:56:46,517 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:56:46,518 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 08:56:46,550 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 08:56:46,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 08:56:47,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:47,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 08:56:47,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:47,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-12-14 08:56:48,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 08:56:48,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:48,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 08:56:48,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:48,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-12-14 08:56:49,402 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 08:56:49,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 15 [2022-12-14 08:56:49,438 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 08:56:49,439 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 3 case distinctions, treesize of input 24 treesize of output 21 [2022-12-14 08:56:49,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:49,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:49,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:49,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:49,617 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 08:56:49,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-12-14 08:56:49,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-12-14 08:56:49,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:49,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:49,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:49,647 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 08:56:49,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 38 [2022-12-14 08:56:49,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:49,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:49,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:49,662 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 08:56:49,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 32 [2022-12-14 08:56:49,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-12-14 08:56:49,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-12-14 08:56:49,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:49,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:49,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:49,822 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 08:56:49,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 38 [2022-12-14 08:56:49,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:49,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:49,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:49,835 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 08:56:49,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 64 treesize of output 32 [2022-12-14 08:56:49,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-12-14 08:56:49,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:49,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:56:49,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:49,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 08:56:49,863 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 08:56:49,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-12-14 08:57:06,407 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 47 for LOIs [2022-12-14 08:57:06,422 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 08:57:06,428 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 08:57:06,472 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 08:57:06,477 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 08:57:06,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:57:06,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:57:06,490 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:57:06,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 08:57:06,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:57:06,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 08:57:06,536 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 08:57:06,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 08:57:06,545 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 08:57:06,550 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 08:57:06,760 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 08:57:06,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 180 treesize of output 197 [2022-12-14 08:57:07,128 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 94 for LOIs [2022-12-14 08:57:07,328 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 80 for LOIs [2022-12-14 08:57:07,343 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2819 for LOIs [2022-12-14 08:57:10,448 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2869 for LOIs [2022-12-14 08:58:47,459 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-12-14 08:58:53,526 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-12-14 08:58:53,534 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 88 for LOIs [2022-12-14 08:58:53,625 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 82 for LOIs [2022-12-14 08:58:53,635 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:00:02,819 WARN L233 SmtUtils]: Spent 1.14m on a formula simplification. DAG size of input: 2815 DAG size of output: 2431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:01:56,596 WARN L233 SmtUtils]: Spent 1.88m on a formula simplification. DAG size of input: 2819 DAG size of output: 2435 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:04:26,224 WARN L233 SmtUtils]: Spent 2.47m on a formula simplification. DAG size of input: 2861 DAG size of output: 2477 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:06:13,108 WARN L233 SmtUtils]: Spent 1.76m on a formula simplification. DAG size of input: 2855 DAG size of output: 2462 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:08:06,198 WARN L233 SmtUtils]: Spent 1.85m on a formula simplification. DAG size of input: 2858 DAG size of output: 2465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)