./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_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_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/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_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/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_3f25e798-8182-43f2-873c-23aea7f2cd54/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 d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 --- 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 14:20:08,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:20:08,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:20:08,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:20:08,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:20:08,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:20:08,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:20:08,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:20:08,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:20:08,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:20:08,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:20:08,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:20:08,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:20:08,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:20:08,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:20:08,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:20:08,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:20:08,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:20:08,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:20:08,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:20:08,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:20:08,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:20:08,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:20:08,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:20:08,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:20:08,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:20:08,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:20:08,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:20:08,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:20:08,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:20:08,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:20:08,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:20:08,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:20:08,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:20:08,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:20:08,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:20:08,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:20:08,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:20:08,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:20:08,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:20:08,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:20:08,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 14:20:08,639 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:20:08,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:20:08,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:20:08,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:20:08,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:20:08,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:20:08,640 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:20:08,640 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:20:08,640 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:20:08,641 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:20:08,641 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:20:08,641 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:20:08,641 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:20:08,641 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:20:08,641 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:20:08,642 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:20:08,642 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:20:08,642 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:20:08,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:20:08,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:20:08,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:20:08,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:20:08,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:20:08,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:20:08,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:20:08,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:20:08,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:20:08,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:20:08,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:20:08,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:20:08,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:20:08,645 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:20:08,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:20:08,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:20:08,645 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:20:08,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:20:08,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:20:08,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:20:08,646 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_3f25e798-8182-43f2-873c-23aea7f2cd54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 [2022-12-14 14:20:08,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:20:08,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:20:08,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:20:08,836 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:20:08,837 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:20:08,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2022-12-14 14:20:11,404 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:20:11,754 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:20:11,755 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2022-12-14 14:20:11,778 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/data/683c85897/c42d9a9826644874b2bcba4fd455f8ad/FLAGf91aa3258 [2022-12-14 14:20:12,000 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/data/683c85897/c42d9a9826644874b2bcba4fd455f8ad [2022-12-14 14:20:12,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:20:12,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:20:12,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:20:12,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:20:12,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:20:12,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:20:12" (1/1) ... [2022-12-14 14:20:12,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356a1f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:12, skipping insertion in model container [2022-12-14 14:20:12,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:20:12" (1/1) ... [2022-12-14 14:20:12,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:20:12,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:20:12,311 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_3f25e798-8182-43f2-873c-23aea7f2cd54/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2022-12-14 14:20:12,317 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_3f25e798-8182-43f2-873c-23aea7f2cd54/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2022-12-14 14:20:12,895 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 14:20:12,963 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:12,964 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:12,965 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:12,965 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:12,966 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:12,979 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:12,980 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:12,981 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:12,982 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:12,984 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:12,985 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:12,986 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:12,986 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,055 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 14:20:13,055 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 14:20:13,056 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 14:20:13,061 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 14:20:13,063 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 14:20:13,064 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 14:20:13,271 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 14:20:13,273 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 14:20:13,274 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 14:20:13,274 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 14:20:13,276 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 14:20:13,277 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 14:20:13,278 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 14:20:13,278 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 14:20:13,279 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 14:20:13,280 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 14:20:13,281 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 14:20:13,406 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,412 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,457 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 14:20:13,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:20:13,490 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:20:13,502 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_3f25e798-8182-43f2-873c-23aea7f2cd54/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2022-12-14 14:20:13,502 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_3f25e798-8182-43f2-873c-23aea7f2cd54/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2022-12-14 14:20:13,536 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 14:20:13,551 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,552 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,552 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,553 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,553 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,561 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,561 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,562 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,563 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,564 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,564 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,565 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,565 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,573 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 14:20:13,574 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 14:20:13,575 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 14:20:13,578 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 14:20:13,579 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 14:20:13,579 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 14:20:13,598 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 14:20:13,598 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 14:20:13,599 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 14:20:13,599 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 14:20:13,600 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 14:20:13,601 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 14:20:13,601 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 14:20:13,602 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 14:20:13,602 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 14:20:13,603 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 14:20:13,603 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 14:20:13,630 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,636 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 14:20:13,656 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 14:20:13,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:20:13,808 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:20:13,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13 WrapperNode [2022-12-14 14:20:13,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:20:13,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:20:13,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:20:13,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:20:13,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13" (1/1) ... [2022-12-14 14:20:13,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13" (1/1) ... [2022-12-14 14:20:13,925 INFO L138 Inliner]: procedures = 690, calls = 1686, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 615 [2022-12-14 14:20:13,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:20:13,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:20:13,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:20:13,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:20:13,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13" (1/1) ... [2022-12-14 14:20:13,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13" (1/1) ... [2022-12-14 14:20:13,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13" (1/1) ... [2022-12-14 14:20:13,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13" (1/1) ... [2022-12-14 14:20:13,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13" (1/1) ... [2022-12-14 14:20:13,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13" (1/1) ... [2022-12-14 14:20:13,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13" (1/1) ... [2022-12-14 14:20:13,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13" (1/1) ... [2022-12-14 14:20:13,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:20:13,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:20:13,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:20:13,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:20:13,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13" (1/1) ... [2022-12-14 14:20:14,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:20:14,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:20:14,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:20:14,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:20:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:20:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 14:20:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 14:20:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 14:20:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 14:20:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 14:20:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 14:20:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:20:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 14:20:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 14:20:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 14:20:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 14:20:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:20:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:20:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:20:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:20:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:20:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 14:20:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 14:20:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 14:20:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 14:20:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 14:20:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 14:20:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 14:20:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 14:20:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:20:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:20:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:20:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 14:20:14,057 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 14:20:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 14:20:14,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 14:20:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:20:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 14:20:14,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 14:20:14,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:20:14,273 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:20:14,275 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:20:14,867 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:20:14,962 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:20:14,963 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 14:20:14,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:20:14 BoogieIcfgContainer [2022-12-14 14:20:14,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:20:14,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:20:14,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:20:14,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:20:14,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:20:12" (1/3) ... [2022-12-14 14:20:14,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2827fd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:20:14, skipping insertion in model container [2022-12-14 14:20:14,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:20:13" (2/3) ... [2022-12-14 14:20:14,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2827fd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:20:14, skipping insertion in model container [2022-12-14 14:20:14,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:20:14" (3/3) ... [2022-12-14 14:20:14,971 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness.i [2022-12-14 14:20:14,987 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:20:14,987 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:20:15,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:20:15,029 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;@3d7c0519, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:20:15,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:20:15,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-12-14 14:20:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 14:20:15,039 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:20:15,040 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-12-14 14:20:15,040 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:20:15,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:20:15,044 INFO L85 PathProgramCache]: Analyzing trace with hash 63349369, now seen corresponding path program 1 times [2022-12-14 14:20:15,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:20:15,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64457828] [2022-12-14 14:20:15,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:20:15,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:20:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:20:15,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:20:15,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64457828] [2022-12-14 14:20:15,353 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-14 14:20:15,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629441013] [2022-12-14 14:20:15,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:20:15,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:20:15,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:20:15,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:20:15,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 14:20:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:20:15,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 14:20:15,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:20:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 14:20:15,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:20:15,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629441013] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:20:15,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:20:15,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:20:15,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791025088] [2022-12-14 14:20:15,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:20:15,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:20:15,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:20:15,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:20:15,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:20:15,885 INFO L87 Difference]: Start difference. First operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-14 14:20:16,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:20:16,291 INFO L93 Difference]: Finished difference Result 169 states and 229 transitions. [2022-12-14 14:20:16,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:20:16,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 58 [2022-12-14 14:20:16,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:20:16,302 INFO L225 Difference]: With dead ends: 169 [2022-12-14 14:20:16,302 INFO L226 Difference]: Without dead ends: 99 [2022-12-14 14:20:16,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 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 14:20:16,309 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 26 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 14:20:16,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 347 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 14:20:16,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-12-14 14:20:16,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-12-14 14:20:16,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 56 states have internal predecessors, (63), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2022-12-14 14:20:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 126 transitions. [2022-12-14 14:20:16,353 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 126 transitions. Word has length 58 [2022-12-14 14:20:16,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:20:16,354 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 126 transitions. [2022-12-14 14:20:16,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-12-14 14:20:16,354 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2022-12-14 14:20:16,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 14:20:16,357 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:20:16,357 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:20:16,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 14:20:16,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 14:20:16,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:20:16,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:20:16,562 INFO L85 PathProgramCache]: Analyzing trace with hash -365083102, now seen corresponding path program 1 times [2022-12-14 14:20:16,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:20:16,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770596718] [2022-12-14 14:20:16,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:20:16,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:20:16,751 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:20:16,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1493834908] [2022-12-14 14:20:16,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:20:16,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:20:16,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:20:16,752 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:20:16,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 14:20:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:20:17,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 2173 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 14:20:17,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:20:17,155 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 14:20:17,155 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:20:17,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:20:17,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770596718] [2022-12-14 14:20:17,155 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 14:20:17,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493834908] [2022-12-14 14:20:17,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493834908] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:20:17,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:20:17,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 14:20:17,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955103284] [2022-12-14 14:20:17,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:20:17,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:20:17,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:20:17,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:20:17,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:20:17,159 INFO L87 Difference]: Start difference. First operand 99 states and 126 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-14 14:20:17,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:20:17,425 INFO L93 Difference]: Finished difference Result 156 states and 196 transitions. [2022-12-14 14:20:17,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:20:17,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 67 [2022-12-14 14:20:17,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:20:17,427 INFO L225 Difference]: With dead ends: 156 [2022-12-14 14:20:17,427 INFO L226 Difference]: Without dead ends: 97 [2022-12-14 14:20:17,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 14:20:17,429 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 37 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:20:17,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 410 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:20:17,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-12-14 14:20:17,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-12-14 14:20:17,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 53 states have (on average 1.150943396226415) internal successors, (61), 54 states have internal predecessors, (61), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-12-14 14:20:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 122 transitions. [2022-12-14 14:20:17,442 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 122 transitions. Word has length 67 [2022-12-14 14:20:17,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:20:17,443 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 122 transitions. [2022-12-14 14:20:17,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2022-12-14 14:20:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2022-12-14 14:20:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 14:20:17,446 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:20:17,446 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:20:17,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 14:20:17,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:20:17,647 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:20:17,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:20:17,647 INFO L85 PathProgramCache]: Analyzing trace with hash 133843110, now seen corresponding path program 1 times [2022-12-14 14:20:17,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:20:17,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000111346] [2022-12-14 14:20:17,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:20:17,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:20:17,736 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 14:20:17,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [893262705] [2022-12-14 14:20:17,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:20:17,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 14:20:17,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:20:17,738 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 14:20:17,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f25e798-8182-43f2-873c-23aea7f2cd54/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 14:20:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:20:18,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 308 conjunts are in the unsatisfiable core [2022-12-14 14:20:18,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:20:18,258 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 14:20:18,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:18,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 14:20:18,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:18,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 14:20:19,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 14:20:20,151 INFO L321 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-12-14 14:20:20,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2022-12-14 14:20:20,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 14:20:20,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 14:20:20,771 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-12-14 14:20:20,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-12-14 14:20:22,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:22,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:22,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:22,321 INFO L321 Elim1Store]: treesize reduction 44, result has 47.0 percent of original size [2022-12-14 14:20:22,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 171 treesize of output 226 [2022-12-14 14:20:22,402 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 14:20:22,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 131 [2022-12-14 14:20:22,482 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 14:20:22,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 125 [2022-12-14 14:20:22,559 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:20:22,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 87 treesize of output 119 [2022-12-14 14:20:23,122 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:20:23,151 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:20:24,234 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 14:20:24,235 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 37 [2022-12-14 14:20:24,418 INFO L321 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2022-12-14 14:20:24,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 31 [2022-12-14 14:20:24,672 INFO L321 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2022-12-14 14:20:24,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 31 [2022-12-14 14:20:25,040 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 14:20:25,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 37 [2022-12-14 14:20:26,201 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 14:20:26,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 77 [2022-12-14 14:20:26,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-14 14:20:26,266 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 137 treesize of output 111 [2022-12-14 14:20:26,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-12-14 14:20:26,548 INFO L321 Elim1Store]: treesize reduction 137, result has 31.8 percent of original size [2022-12-14 14:20:26,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 303 treesize of output 355 [2022-12-14 14:20:29,314 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 14:20:29,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 33 [2022-12-14 14:20:31,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-12-14 14:20:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:44,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:44,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 338 treesize of output 294 [2022-12-14 14:20:45,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:45,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 74 [2022-12-14 14:20:45,799 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:20:46,305 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:20:46,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:46,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:46,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:46,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 338 treesize of output 294 [2022-12-14 14:20:46,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:46,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:46,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:46,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 435 treesize of output 389 [2022-12-14 14:20:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 14:20:46,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1039 treesize of output 925 [2022-12-14 14:20:47,199 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 14:23:49,243 WARN L233 SmtUtils]: Spent 2.90m on a formula simplification. DAG size of input: 783 DAG size of output: 139 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 14:23:49,244 INFO L321 Elim1Store]: treesize reduction 2996, result has 8.4 percent of original size [2022-12-14 14:23:49,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 17 new quantified variables, introduced 111 case distinctions, treesize of input 1323 treesize of output 2579