./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_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_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/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_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/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_af98998a-46c3-462f-a79d-9c947bc8746c/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 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b --- 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 03:11:38,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 03:11:38,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 03:11:38,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 03:11:38,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 03:11:38,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 03:11:38,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 03:11:38,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 03:11:38,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 03:11:38,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 03:11:38,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 03:11:38,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 03:11:38,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 03:11:38,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 03:11:38,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 03:11:38,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 03:11:38,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 03:11:38,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 03:11:38,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 03:11:38,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 03:11:38,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 03:11:38,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 03:11:38,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 03:11:38,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 03:11:38,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 03:11:38,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 03:11:38,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 03:11:38,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 03:11:38,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 03:11:38,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 03:11:38,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 03:11:38,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 03:11:38,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 03:11:38,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 03:11:38,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 03:11:38,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 03:11:38,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 03:11:38,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 03:11:38,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 03:11:38,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 03:11:38,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 03:11:38,514 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 03:11:38,534 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 03:11:38,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 03:11:38,534 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 03:11:38,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 03:11:38,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 03:11:38,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 03:11:38,536 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 03:11:38,536 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 03:11:38,536 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 03:11:38,540 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 03:11:38,540 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 03:11:38,540 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 03:11:38,540 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 03:11:38,540 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 03:11:38,541 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 03:11:38,541 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 03:11:38,541 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 03:11:38,541 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 03:11:38,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 03:11:38,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 03:11:38,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 03:11:38,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 03:11:38,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 03:11:38,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 03:11:38,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 03:11:38,543 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 03:11:38,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 03:11:38,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 03:11:38,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 03:11:38,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:11:38,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 03:11:38,544 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 03:11:38,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 03:11:38,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 03:11:38,545 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 03:11:38,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 03:11:38,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 03:11:38,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 03:11:38,546 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_af98998a-46c3-462f-a79d-9c947bc8746c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a98a47bac7562a35bba31573ebdfd704a9d27baca1b439deea796ac12a0961b [2022-12-14 03:11:38,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 03:11:38,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 03:11:38,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 03:11:38,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 03:11:38,780 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 03:11:38,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2022-12-14 03:11:41,359 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 03:11:41,637 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 03:11:41,637 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i [2022-12-14 03:11:41,656 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/data/30510dab7/cecebd4c2174477f92b55ab9811262d0/FLAG214725b37 [2022-12-14 03:11:41,944 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/data/30510dab7/cecebd4c2174477f92b55ab9811262d0 [2022-12-14 03:11:41,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 03:11:41,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 03:11:41,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 03:11:41,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 03:11:41,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 03:11:41,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:11:41" (1/1) ... [2022-12-14 03:11:41,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8f25e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:41, skipping insertion in model container [2022-12-14 03:11:41,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:11:41" (1/1) ... [2022-12-14 03:11:41,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 03:11:42,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 03:11:42,294 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_af98998a-46c3-462f-a79d-9c947bc8746c/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2022-12-14 03:11:42,299 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_af98998a-46c3-462f-a79d-9c947bc8746c/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2022-12-14 03:11:42,768 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 03:11:42,817 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:42,821 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,822 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,822 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,823 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,824 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,826 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:42,834 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,834 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:42,834 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,836 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,836 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,838 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,838 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:42,839 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,839 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,839 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:42,898 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 03:11:42,899 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 03:11:42,899 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 03:11:42,903 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 03:11:42,904 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 03:11:42,905 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 03:11:43,127 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 03:11:43,128 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 03:11:43,128 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 03:11:43,129 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 03:11:43,130 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 03:11:43,131 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 03:11:43,131 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 03:11:43,132 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 03:11:43,133 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 03:11:43,134 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 03:11:43,134 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 03:11:43,269 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,270 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,274 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,276 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,278 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,279 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,280 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,282 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,286 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,286 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,286 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,287 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,288 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,288 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,327 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 03:11:43,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:11:43,362 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 03:11:43,374 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_af98998a-46c3-462f-a79d-9c947bc8746c/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4493,4506] [2022-12-14 03:11:43,375 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_af98998a-46c3-462f-a79d-9c947bc8746c/sv-benchmarks/c/aws-c-common/aws_array_list_copy_harness.i[4553,4566] [2022-12-14 03:11:43,412 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 03:11:43,423 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,426 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,426 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,427 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,427 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,428 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,429 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,433 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,434 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,434 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,435 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,435 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,436 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,436 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,437 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,437 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,437 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,444 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 03:11:43,444 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 03:11:43,445 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 03:11:43,447 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 03:11:43,449 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 03:11:43,449 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 03:11:43,467 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 03:11:43,468 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 03:11:43,469 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 03:11:43,469 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 03:11:43,470 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 03:11:43,471 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 03:11:43,471 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 03:11:43,471 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 03:11:43,472 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 03:11:43,472 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 03:11:43,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 03:11:43,496 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,497 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,498 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,499 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,501 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,502 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,503 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 03:11:43,504 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,505 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,506 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,506 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,507 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,507 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,507 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 03:11:43,521 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 03:11:43,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:11:43,738 INFO L208 MainTranslator]: Completed translation [2022-12-14 03:11:43,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43 WrapperNode [2022-12-14 03:11:43,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 03:11:43,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 03:11:43,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 03:11:43,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 03:11:43,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43" (1/1) ... [2022-12-14 03:11:43,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43" (1/1) ... [2022-12-14 03:11:43,853 INFO L138 Inliner]: procedures = 691, calls = 1672, calls flagged for inlining = 52, calls inlined = 7, statements flattened = 694 [2022-12-14 03:11:43,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 03:11:43,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 03:11:43,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 03:11:43,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 03:11:43,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43" (1/1) ... [2022-12-14 03:11:43,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43" (1/1) ... [2022-12-14 03:11:43,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43" (1/1) ... [2022-12-14 03:11:43,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43" (1/1) ... [2022-12-14 03:11:43,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43" (1/1) ... [2022-12-14 03:11:43,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43" (1/1) ... [2022-12-14 03:11:43,905 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43" (1/1) ... [2022-12-14 03:11:43,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43" (1/1) ... [2022-12-14 03:11:43,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 03:11:43,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 03:11:43,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 03:11:43,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 03:11:43,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43" (1/1) ... [2022-12-14 03:11:43,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:11:43,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:11:43,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 03:11:43,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 03:11:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 03:11:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 03:11:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 03:11:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 03:11:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 03:11:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 03:11:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 03:11:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-12-14 03:11:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-12-14 03:11:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 03:11:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 03:11:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 03:11:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 03:11:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 03:11:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 03:11:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 03:11:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 03:11:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 03:11:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 03:11:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 03:11:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 03:11:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 03:11:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 03:11:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 03:11:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 03:11:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 03:11:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 03:11:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-12-14 03:11:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-12-14 03:11:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 03:11:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 03:11:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 03:11:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 03:11:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-12-14 03:11:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-12-14 03:11:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 03:11:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 03:11:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 03:11:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 03:11:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 03:11:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 03:11:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 03:11:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 03:11:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 03:11:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 03:11:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 03:11:44,212 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 03:11:44,214 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 03:11:44,905 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 03:11:45,010 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 03:11:45,011 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 03:11:45,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:11:45 BoogieIcfgContainer [2022-12-14 03:11:45,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 03:11:45,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 03:11:45,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 03:11:45,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 03:11:45,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:11:41" (1/3) ... [2022-12-14 03:11:45,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f7e75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:11:45, skipping insertion in model container [2022-12-14 03:11:45,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:11:43" (2/3) ... [2022-12-14 03:11:45,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f7e75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:11:45, skipping insertion in model container [2022-12-14 03:11:45,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:11:45" (3/3) ... [2022-12-14 03:11:45,021 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_copy_harness.i [2022-12-14 03:11:45,035 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 03:11:45,035 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 03:11:45,079 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 03:11:45,084 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;@41c7935e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 03:11:45,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 03:11:45,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 180 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 91 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2022-12-14 03:11:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-12-14 03:11:45,097 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:11:45,097 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 2, 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] [2022-12-14 03:11:45,098 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:11:45,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:11:45,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1794843494, now seen corresponding path program 1 times [2022-12-14 03:11:45,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:11:45,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409377053] [2022-12-14 03:11:45,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:45,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:11:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:11:45,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:11:45,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409377053] [2022-12-14 03:11:45,442 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-14 03:11:45,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271829855] [2022-12-14 03:11:45,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:45,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:11:45,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:11:45,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 03:11:45,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 03:11:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:11:45,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 2319 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 03:11:45,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:11:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-12-14 03:11:45,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:11:45,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271829855] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:11:45,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:11:45,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 03:11:45,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033860831] [2022-12-14 03:11:45,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:11:45,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 03:11:45,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:11:45,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 03:11:45,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:11:45,984 INFO L87 Difference]: Start difference. First operand has 180 states, 90 states have (on average 1.1777777777777778) internal successors, (106), 91 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 17 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 03:11:46,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:11:46,424 INFO L93 Difference]: Finished difference Result 356 states and 514 transitions. [2022-12-14 03:11:46,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 03:11:46,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 112 [2022-12-14 03:11:46,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:11:46,435 INFO L225 Difference]: With dead ends: 356 [2022-12-14 03:11:46,435 INFO L226 Difference]: Without dead ends: 180 [2022-12-14 03:11:46,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 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 03:11:46,440 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 49 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 03:11:46,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 711 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 03:11:46,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-12-14 03:11:46,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-12-14 03:11:46,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (82), 70 states have call predecessors, (82), 70 states have call successors, (82) [2022-12-14 03:11:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 258 transitions. [2022-12-14 03:11:46,489 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 258 transitions. Word has length 112 [2022-12-14 03:11:46,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:11:46,490 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 258 transitions. [2022-12-14 03:11:46,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 03:11:46,490 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 258 transitions. [2022-12-14 03:11:46,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-14 03:11:46,493 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:11:46,493 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 03:11:46,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 03:11:46,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 03:11:46,694 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:11:46,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:11:46,694 INFO L85 PathProgramCache]: Analyzing trace with hash -7969775, now seen corresponding path program 1 times [2022-12-14 03:11:46,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:11:46,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388682658] [2022-12-14 03:11:46,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:46,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:11:46,758 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 03:11:46,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416027866] [2022-12-14 03:11:46,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:46,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:11:46,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:11:46,759 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 03:11:46,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 03:11:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:11:47,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 2451 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 03:11:47,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:11:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-14 03:11:47,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:11:47,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:11:47,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388682658] [2022-12-14 03:11:47,257 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 03:11:47,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416027866] [2022-12-14 03:11:47,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416027866] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:11:47,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:11:47,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 03:11:47,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695606360] [2022-12-14 03:11:47,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:11:47,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 03:11:47,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:11:47,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 03:11:47,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:11:47,259 INFO L87 Difference]: Start difference. First operand 180 states and 258 transitions. 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, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 03:11:47,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:11:47,777 INFO L93 Difference]: Finished difference Result 330 states and 471 transitions. [2022-12-14 03:11:47,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 03:11:47,778 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, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 121 [2022-12-14 03:11:47,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:11:47,782 INFO L225 Difference]: With dead ends: 330 [2022-12-14 03:11:47,782 INFO L226 Difference]: Without dead ends: 180 [2022-12-14 03:11:47,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 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 03:11:47,785 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 47 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 03:11:47,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 711 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 03:11:47,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-12-14 03:11:47,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2022-12-14 03:11:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 92 states have internal predecessors, (105), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2022-12-14 03:11:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 256 transitions. [2022-12-14 03:11:47,803 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 256 transitions. Word has length 121 [2022-12-14 03:11:47,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:11:47,803 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 256 transitions. [2022-12-14 03:11:47,803 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, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-14 03:11:47,803 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 256 transitions. [2022-12-14 03:11:47,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 03:11:47,805 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:11:47,805 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-12-14 03:11:47,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 03:11:48,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:11:48,006 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:11:48,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:11:48,006 INFO L85 PathProgramCache]: Analyzing trace with hash -262288090, now seen corresponding path program 2 times [2022-12-14 03:11:48,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:11:48,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826797966] [2022-12-14 03:11:48,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:48,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:11:48,074 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 03:11:48,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1329874586] [2022-12-14 03:11:48,074 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 03:11:48,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:11:48,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:11:48,075 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 03:11:48,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 03:11:48,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 03:11:48,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 03:11:48,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 1918 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 03:11:48,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:11:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-12-14 03:11:48,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:11:48,384 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:11:48,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826797966] [2022-12-14 03:11:48,384 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 03:11:48,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329874586] [2022-12-14 03:11:48,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329874586] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:11:48,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:11:48,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 03:11:48,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778591916] [2022-12-14 03:11:48,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:11:48,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 03:11:48,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:11:48,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 03:11:48,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:11:48,386 INFO L87 Difference]: Start difference. First operand 180 states and 256 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 03:11:49,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:11:49,242 INFO L93 Difference]: Finished difference Result 228 states and 318 transitions. [2022-12-14 03:11:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 03:11:49,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) Word has length 130 [2022-12-14 03:11:49,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:11:49,244 INFO L225 Difference]: With dead ends: 228 [2022-12-14 03:11:49,249 INFO L226 Difference]: Without dead ends: 184 [2022-12-14 03:11:49,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 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 03:11:49,250 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 1 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 03:11:49,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 893 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 03:11:49,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-12-14 03:11:49,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-12-14 03:11:49,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (82), 71 states have call predecessors, (82), 70 states have call successors, (82) [2022-12-14 03:11:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 261 transitions. [2022-12-14 03:11:49,272 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 261 transitions. Word has length 130 [2022-12-14 03:11:49,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:11:49,273 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 261 transitions. [2022-12-14 03:11:49,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 03:11:49,273 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 261 transitions. [2022-12-14 03:11:49,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-14 03:11:49,276 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:11:49,276 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 03:11:49,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 03:11:49,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:11:49,478 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:11:49,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:11:49,479 INFO L85 PathProgramCache]: Analyzing trace with hash 100296531, now seen corresponding path program 1 times [2022-12-14 03:11:49,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:11:49,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900673567] [2022-12-14 03:11:49,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:49,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:11:49,565 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 03:11:49,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [961725984] [2022-12-14 03:11:49,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:49,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:11:49,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:11:49,566 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 03:11:49,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 03:11:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:11:49,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 2586 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 03:11:49,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:11:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-12-14 03:11:49,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:11:49,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:11:49,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900673567] [2022-12-14 03:11:49,950 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 03:11:49,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961725984] [2022-12-14 03:11:49,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961725984] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:11:49,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:11:49,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 03:11:49,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082350358] [2022-12-14 03:11:49,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:11:49,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 03:11:49,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:11:49,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 03:11:49,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 03:11:49,952 INFO L87 Difference]: Start difference. First operand 184 states and 261 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-12-14 03:11:50,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:11:50,565 INFO L93 Difference]: Finished difference Result 327 states and 460 transitions. [2022-12-14 03:11:50,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 03:11:50,565 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 134 [2022-12-14 03:11:50,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:11:50,567 INFO L225 Difference]: With dead ends: 327 [2022-12-14 03:11:50,567 INFO L226 Difference]: Without dead ends: 184 [2022-12-14 03:11:50,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 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 03:11:50,568 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 82 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 03:11:50,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 823 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 03:11:50,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-12-14 03:11:50,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-12-14 03:11:50,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 19 states have return successors, (77), 71 states have call predecessors, (77), 70 states have call successors, (77) [2022-12-14 03:11:50,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 256 transitions. [2022-12-14 03:11:50,579 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 256 transitions. Word has length 134 [2022-12-14 03:11:50,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:11:50,579 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 256 transitions. [2022-12-14 03:11:50,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-12-14 03:11:50,579 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 256 transitions. [2022-12-14 03:11:50,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-12-14 03:11:50,580 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:11:50,581 INFO L195 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 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] [2022-12-14 03:11:50,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 03:11:50,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:11:50,783 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:11:50,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:11:50,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1897826013, now seen corresponding path program 1 times [2022-12-14 03:11:50,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:11:50,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495582611] [2022-12-14 03:11:50,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:50,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:11:50,873 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 03:11:50,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [383550979] [2022-12-14 03:11:50,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:50,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:11:50,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:11:50,874 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 03:11:50,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 03:11:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:11:51,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 2731 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 03:11:51,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:11:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-12-14 03:11:51,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:11:51,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:11:51,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495582611] [2022-12-14 03:11:51,372 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 03:11:51,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383550979] [2022-12-14 03:11:51,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383550979] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:11:51,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:11:51,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 03:11:51,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120595251] [2022-12-14 03:11:51,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:11:51,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 03:11:51,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:11:51,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 03:11:51,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 03:11:51,374 INFO L87 Difference]: Start difference. First operand 184 states and 256 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-12-14 03:11:52,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:11:52,041 INFO L93 Difference]: Finished difference Result 324 states and 445 transitions. [2022-12-14 03:11:52,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 03:11:52,041 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 142 [2022-12-14 03:11:52,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:11:52,044 INFO L225 Difference]: With dead ends: 324 [2022-12-14 03:11:52,044 INFO L226 Difference]: Without dead ends: 182 [2022-12-14 03:11:52,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 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 03:11:52,045 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 81 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 03:11:52,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 821 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 03:11:52,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-12-14 03:11:52,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2022-12-14 03:11:52,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 92 states have (on average 1.1521739130434783) internal successors, (106), 93 states have internal predecessors, (106), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (72), 71 states have call predecessors, (72), 70 states have call successors, (72) [2022-12-14 03:11:52,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 249 transitions. [2022-12-14 03:11:52,056 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 249 transitions. Word has length 142 [2022-12-14 03:11:52,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:11:52,056 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 249 transitions. [2022-12-14 03:11:52,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-12-14 03:11:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 249 transitions. [2022-12-14 03:11:52,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-12-14 03:11:52,057 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:11:52,058 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 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] [2022-12-14 03:11:52,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 03:11:52,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:11:52,260 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:11:52,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:11:52,261 INFO L85 PathProgramCache]: Analyzing trace with hash -657563662, now seen corresponding path program 1 times [2022-12-14 03:11:52,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:11:52,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636227604] [2022-12-14 03:11:52,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:52,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:11:52,352 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 03:11:52,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560871491] [2022-12-14 03:11:52,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:52,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:11:52,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:11:52,354 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 03:11:52,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 03:11:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:11:52,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 2863 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 03:11:52,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:11:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-12-14 03:11:52,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:11:52,873 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:11:52,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636227604] [2022-12-14 03:11:52,874 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 03:11:52,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560871491] [2022-12-14 03:11:52,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560871491] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:11:52,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:11:52,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 03:11:52,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391334349] [2022-12-14 03:11:52,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:11:52,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 03:11:52,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:11:52,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 03:11:52,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 03:11:52,876 INFO L87 Difference]: Start difference. First operand 182 states and 249 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2022-12-14 03:11:53,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:11:53,653 INFO L93 Difference]: Finished difference Result 227 states and 304 transitions. [2022-12-14 03:11:53,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 03:11:53,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 151 [2022-12-14 03:11:53,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:11:53,655 INFO L225 Difference]: With dead ends: 227 [2022-12-14 03:11:53,655 INFO L226 Difference]: Without dead ends: 191 [2022-12-14 03:11:53,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 03:11:53,657 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 4 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 03:11:53,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1121 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 03:11:53,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-12-14 03:11:53,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 184. [2022-12-14 03:11:53,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 94 states have (on average 1.148936170212766) internal successors, (108), 95 states have internal predecessors, (108), 71 states have call successors, (71), 17 states have call predecessors, (71), 18 states have return successors, (72), 71 states have call predecessors, (72), 70 states have call successors, (72) [2022-12-14 03:11:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 251 transitions. [2022-12-14 03:11:53,667 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 251 transitions. Word has length 151 [2022-12-14 03:11:53,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:11:53,667 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 251 transitions. [2022-12-14 03:11:53,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2022-12-14 03:11:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 251 transitions. [2022-12-14 03:11:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-12-14 03:11:53,668 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:11:53,669 INFO L195 NwaCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 2, 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] [2022-12-14 03:11:53,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 03:11:53,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:11:53,870 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:11:53,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:11:53,871 INFO L85 PathProgramCache]: Analyzing trace with hash -2130163914, now seen corresponding path program 1 times [2022-12-14 03:11:53,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:11:53,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101604860] [2022-12-14 03:11:53,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:53,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:11:53,956 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 03:11:53,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1528333639] [2022-12-14 03:11:53,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:11:53,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 03:11:53,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:11:53,958 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 03:11:53,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af98998a-46c3-462f-a79d-9c947bc8746c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 03:11:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:11:54,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 2982 conjuncts, 186 conjunts are in the unsatisfiable core [2022-12-14 03:11:54,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:11:54,569 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-14 03:11:54,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 03:11:54,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 21 treesize of output 20 [2022-12-14 03:11:54,879 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 03:11:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:11:55,230 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 03:11:55,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:11:55,240 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 03:11:55,249 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 03:11:55,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 03:11:55,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:11:55,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 03:11:55,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:11:55,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 30 treesize of output 32 [2022-12-14 03:11:56,111 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_893 Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_893)))) (exists ((v_ArrVal_891 Int)) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_891))))) is different from true [2022-12-14 03:11:56,124 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_893 Int) (|aws_array_list_is_valid_~#required_size~0.base| Int) (v_ArrVal_891 Int)) (and (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_array_list_is_valid_~#required_size~0.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_array_list_is_valid_~#required_size~0.base|) 0 v_ArrVal_891))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_array_list_is_valid_~#required_size~0.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_array_list_is_valid_~#required_size~0.base|) 0 v_ArrVal_893))))) is different from true [2022-12-14 03:11:56,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:11:56,146 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 28 treesize of output 30 [2022-12-14 03:11:56,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:11:56,151 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 28 treesize of output 30 [2022-12-14 03:11:56,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 03:11:57,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 03:11:57,036 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 160 proven. 57 refuted. 0 times theorem prover too weak. 87 trivial. 5 not checked. [2022-12-14 03:11:57,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 03:11:57,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:11:57,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101604860] [2022-12-14 03:11:57,759 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 03:11:57,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528333639] [2022-12-14 03:11:57,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528333639] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 03:11:57,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2083990012] [2022-12-14 03:11:57,775 INFO L159 IcfgInterpreter]: Started Sifa with 69 locations of interest [2022-12-14 03:11:57,775 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 03:11:57,778 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 03:11:57,782 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 03:11:57,782 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 03:12:00,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:12:00,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:12:00,847 INFO L217 Elim1Store]: Index analysis took 523 ms [2022-12-14 03:12:53,247 WARN L233 SmtUtils]: Spent 52.35s on a formula simplification. DAG size of input: 3135 DAG size of output: 1567 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 03:12:53,251 INFO L321 Elim1Store]: treesize reduction 7432, result has 25.5 percent of original size [2022-12-14 03:12:53,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19310 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 588 case distinctions, treesize of input 1009 treesize of output 3157 [2022-12-14 03:12:58,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:12:58,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:12:58,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19505 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 990 treesize of output 1579 [2022-12-14 03:14:38,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:38,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:38,456 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 03:14:38,462 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 03:14:38,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:38,468 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 03:14:38,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:38,475 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 03:14:42,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:42,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:42,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:42,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:42,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:42,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:42,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:42,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 03:14:43,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:43,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:43,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:43,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:43,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:43,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 03:14:44,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-12-14 03:14:44,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:44,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 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 03:14:45,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:45,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:14:45,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 03:15:00,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:00,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:01,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 03:15:01,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:01,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:01,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-12-14 03:15:02,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 03:15:02,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:02,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1244 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 03:15:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:03,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:03,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:03,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:03,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:03,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:03,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 03:15:06,461 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 03:15:06,465 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 03:15:06,486 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 03:15:06,490 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 03:15:06,518 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 03:15:06,524 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 03:15:06,529 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 03:15:06,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 03:15:06,656 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 03:15:06,681 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 03:15:06,681 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 03:15:06,691 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 03:15:06,743 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 03:15:06,763 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 03:15:06,764 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 03:15:06,773 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 03:15:06,901 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 03:15:08,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:08,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 03:15:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:08,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 03:15:09,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 03:15:11,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 03:15:11,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:11,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 03:15:11,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:11,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 198 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 03:15:15,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2022-12-14 03:15:15,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2022-12-14 03:15:15,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:15,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 03:15:15,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:15,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 03:15:15,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 03:15:15,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 03:15:15,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:15,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 03:15:15,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:15,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 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 03:15:15,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 03:15:15,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 03:15:15,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 03:15:15,860 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 03:15:15,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 29 [2022-12-14 03:15:15,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 03:15:15,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2022-12-14 03:15:15,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 03:15:15,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2022-12-14 03:15:16,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 03:15:16,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 03:15:16,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 03:15:16,142 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 03:15:16,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 65 treesize of output 29 [2022-12-14 03:15:16,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 03:15:16,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2022-12-14 03:15:16,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 03:15:16,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2022-12-14 03:15:16,641 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 03:15:16,648 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 03:15:16,707 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 03:15:16,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-14 03:15:16,724 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 03:15:16,790 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 03:15:16,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-14 03:15:16,813 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 03:15:55,378 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-12-14 03:15:55,386 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 76 for LOIs [2022-12-14 03:15:55,425 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 03:15:55,433 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 03:15:55,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:55,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:55,550 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 03:15:55,550 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 03:15:55,565 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 03:15:55,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 03:15:55,676 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 03:15:55,701 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 03:15:55,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:55,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 03:15:55,719 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 03:15:55,719 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 03:15:55,863 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 03:15:55,969 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 3261 for LOIs [2022-12-14 03:16:12,498 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 47 for LOIs [2022-12-14 03:16:12,580 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 03:16:12,587 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 03:16:12,592 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 03:16:12,600 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 03:16:12,862 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 49 for LOIs [2022-12-14 03:16:12,873 INFO L197 IcfgInterpreter]: Interpreting procedure aws_raise_error with input of size 62 for LOIs [2022-12-14 03:16:12,884 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 3325 for LOIs [2022-12-14 03:18:23,406 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 03:18:23,414 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 11 treesize of output 7 [2022-12-14 03:18:23,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 03:18:23,446 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 03:18:55,473 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 70 for LOIs [2022-12-14 03:18:55,479 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-12-14 03:18:55,487 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 03:20:51,488 WARN L233 SmtUtils]: Spent 1.86m on a formula simplification. DAG size of input: 3210 DAG size of output: 2442 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 03:23:41,116 WARN L233 SmtUtils]: Spent 2.64m on a formula simplification. DAG size of input: 3251 DAG size of output: 2473 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 03:26:12,695 WARN L233 SmtUtils]: Spent 2.43m on a formula simplification. DAG size of input: 3254 DAG size of output: 2476 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)