./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_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_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/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_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/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_2484702d-f6e6-429d-a71e-5e018522a83e/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 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 --- 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 06:45:21,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:45:21,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:45:21,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:45:21,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:45:21,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:45:21,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:45:21,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:45:21,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:45:21,940 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:45:21,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:45:21,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:45:21,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:45:21,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:45:21,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:45:21,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:45:21,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:45:21,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:45:21,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:45:21,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:45:21,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:45:21,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:45:21,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:45:21,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:45:21,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:45:21,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:45:21,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:45:21,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:45:21,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:45:21,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:45:21,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:45:21,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:45:21,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:45:21,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:45:21,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:45:21,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:45:21,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:45:21,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:45:21,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:45:21,966 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:45:21,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:45:21,968 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 06:45:21,987 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:45:21,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:45:21,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:45:21,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:45:21,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:45:21,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:45:21,989 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:45:21,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:45:21,990 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:45:21,990 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:45:21,990 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:45:21,990 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:45:21,990 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:45:21,991 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:45:21,991 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:45:21,991 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:45:21,991 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:45:21,991 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:45:21,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:45:21,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:45:21,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:45:21,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:45:21,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:45:21,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:45:21,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:45:21,993 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:45:21,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:45:21,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:45:21,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:45:21,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:45:21,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:45:21,994 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:45:21,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:45:21,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:45:21,995 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:45:21,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:45:21,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:45:21,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:45:21,995 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_2484702d-f6e6-429d-a71e-5e018522a83e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 [2022-12-14 06:45:22,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:45:22,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:45:22,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:45:22,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:45:22,223 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:45:22,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2022-12-14 06:45:24,756 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:45:25,110 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:45:25,111 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2022-12-14 06:45:25,131 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/data/f15b02c6a/250e347360f34439ad6c2a9f53b9e3ad/FLAGc15e20e5b [2022-12-14 06:45:25,328 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/data/f15b02c6a/250e347360f34439ad6c2a9f53b9e3ad [2022-12-14 06:45:25,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:45:25,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:45:25,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:45:25,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:45:25,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:45:25,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:45:25" (1/1) ... [2022-12-14 06:45:25,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@832b845 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:25, skipping insertion in model container [2022-12-14 06:45:25,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:45:25" (1/1) ... [2022-12-14 06:45:25,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:45:25,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:45:25,555 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_2484702d-f6e6-429d-a71e-5e018522a83e/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2022-12-14 06:45:25,560 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_2484702d-f6e6-429d-a71e-5e018522a83e/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2022-12-14 06:45:26,128 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 06:45:26,187 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,187 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,188 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,188 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,189 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,206 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,207 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,208 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,209 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,210 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,211 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,211 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,211 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,268 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:45:26,268 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:45:26,268 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:45:26,271 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 06:45:26,273 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 06:45:26,273 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 06:45:26,468 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 06:45:26,469 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 06:45:26,469 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 06:45:26,470 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 06:45:26,471 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 06:45:26,472 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 06:45:26,472 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 06:45:26,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 06:45:26,473 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 06:45:26,474 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 06:45:26,475 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 06:45:26,570 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,575 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,607 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 06:45:26,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:45:26,632 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:45:26,642 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_2484702d-f6e6-429d-a71e-5e018522a83e/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2022-12-14 06:45:26,642 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_2484702d-f6e6-429d-a71e-5e018522a83e/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2022-12-14 06:45:26,666 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 06:45:26,677 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,677 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,677 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,678 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,678 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,683 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,683 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,684 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,685 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,685 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,686 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,686 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,686 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,691 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:45:26,691 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:45:26,692 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:45:26,694 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 06:45:26,695 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 06:45:26,695 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 06:45:26,711 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 06:45:26,711 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 06:45:26,712 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 06:45:26,712 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 06:45:26,713 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 06:45:26,714 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 06:45:26,714 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 06:45:26,714 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 06:45:26,715 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 06:45:26,715 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 06:45:26,715 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 06:45:26,729 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,733 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:45:26,746 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 06:45:26,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:45:26,898 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:45:26,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26 WrapperNode [2022-12-14 06:45:26,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:45:26,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:45:26,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:45:26,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:45:26,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26" (1/1) ... [2022-12-14 06:45:26,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26" (1/1) ... [2022-12-14 06:45:26,977 INFO L138 Inliner]: procedures = 690, calls = 1578, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 584 [2022-12-14 06:45:26,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:45:26,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:45:26,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:45:26,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:45:26,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26" (1/1) ... [2022-12-14 06:45:26,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26" (1/1) ... [2022-12-14 06:45:26,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26" (1/1) ... [2022-12-14 06:45:26,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26" (1/1) ... [2022-12-14 06:45:27,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26" (1/1) ... [2022-12-14 06:45:27,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26" (1/1) ... [2022-12-14 06:45:27,011 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26" (1/1) ... [2022-12-14 06:45:27,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26" (1/1) ... [2022-12-14 06:45:27,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:45:27,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:45:27,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:45:27,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:45:27,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26" (1/1) ... [2022-12-14 06:45:27,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:45:27,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:45:27,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:45:27,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:45:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:45:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 06:45:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 06:45:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 06:45:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 06:45:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 06:45:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 06:45:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:45:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 06:45:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 06:45:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 06:45:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 06:45:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:45:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:45:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:45:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:45:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:45:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 06:45:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 06:45:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 06:45:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 06:45:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 06:45:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 06:45:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:45:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2022-12-14 06:45:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2022-12-14 06:45:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 06:45:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 06:45:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 06:45:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 06:45:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 06:45:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 06:45:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:45:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:45:27,262 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:45:27,264 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:45:27,868 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:45:27,957 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:45:27,957 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:45:27,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:45:27 BoogieIcfgContainer [2022-12-14 06:45:27,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:45:27,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:45:27,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:45:27,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:45:27,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:45:25" (1/3) ... [2022-12-14 06:45:27,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159f81eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:45:27, skipping insertion in model container [2022-12-14 06:45:27,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:45:26" (2/3) ... [2022-12-14 06:45:27,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159f81eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:45:27, skipping insertion in model container [2022-12-14 06:45:27,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:45:27" (3/3) ... [2022-12-14 06:45:27,967 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness.i [2022-12-14 06:45:27,980 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:45:27,981 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 06:45:28,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:45:28,021 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;@4e5dd21a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:45:28,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 06:45:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 40 states have (on average 1.15) internal successors, (46), 41 states have internal predecessors, (46), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-12-14 06:45:28,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 06:45:28,032 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:45:28,033 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:45:28,033 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:45:28,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:45:28,037 INFO L85 PathProgramCache]: Analyzing trace with hash 2006160867, now seen corresponding path program 1 times [2022-12-14 06:45:28,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:45:28,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759176217] [2022-12-14 06:45:28,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:45:28,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:45:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:45:28,518 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 06:45:28,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:45:28,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759176217] [2022-12-14 06:45:28,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759176217] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:45:28,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274530580] [2022-12-14 06:45:28,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:45:28,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:45:28,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:45:28,521 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:45:28,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 06:45:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:45:28,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 06:45:28,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:45:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 06:45:28,997 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:45:28,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274530580] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:45:28,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:45:28,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 06:45:29,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982535697] [2022-12-14 06:45:29,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:45:29,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:45:29,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:45:29,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:45:29,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:45:29,032 INFO L87 Difference]: Start difference. First operand has 78 states, 40 states have (on average 1.15) internal successors, (46), 41 states have internal predecessors, (46), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 06:45:29,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:45:29,302 INFO L93 Difference]: Finished difference Result 130 states and 170 transitions. [2022-12-14 06:45:29,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:45:29,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-12-14 06:45:29,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:45:29,311 INFO L225 Difference]: With dead ends: 130 [2022-12-14 06:45:29,311 INFO L226 Difference]: Without dead ends: 78 [2022-12-14 06:45:29,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 06:45:29,315 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 17 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:45:29,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 230 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:45:29,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-14 06:45:29,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-12-14 06:45:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 40 states have (on average 1.125) internal successors, (45), 42 states have internal predecessors, (45), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2022-12-14 06:45:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2022-12-14 06:45:29,347 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 47 [2022-12-14 06:45:29,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:45:29,347 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2022-12-14 06:45:29,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 06:45:29,348 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2022-12-14 06:45:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 06:45:29,349 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:45:29,349 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:45:29,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 06:45:29,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 06:45:29,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:45:29,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:45:29,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1705827380, now seen corresponding path program 1 times [2022-12-14 06:45:29,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:45:29,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348043544] [2022-12-14 06:45:29,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:45:29,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:45:29,726 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:45:29,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2008859790] [2022-12-14 06:45:29,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:45:29,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:45:29,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:45:29,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:45:29,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 06:45:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:45:30,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 06:45:30,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:45:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 06:45:30,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:45:30,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:45:30,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348043544] [2022-12-14 06:45:30,115 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:45:30,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008859790] [2022-12-14 06:45:30,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008859790] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:45:30,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:45:30,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 06:45:30,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397656613] [2022-12-14 06:45:30,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:45:30,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:45:30,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:45:30,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:45:30,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 06:45:30,128 INFO L87 Difference]: Start difference. First operand 78 states and 96 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2022-12-14 06:45:30,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:45:30,411 INFO L93 Difference]: Finished difference Result 123 states and 149 transitions. [2022-12-14 06:45:30,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:45:30,412 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 56 [2022-12-14 06:45:30,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:45:30,413 INFO L225 Difference]: With dead ends: 123 [2022-12-14 06:45:30,413 INFO L226 Difference]: Without dead ends: 76 [2022-12-14 06:45:30,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-14 06:45:30,415 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 21 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:45:30,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 334 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 06:45:30,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-14 06:45:30,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-12-14 06:45:30,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-12-14 06:45:30,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2022-12-14 06:45:30,428 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 56 [2022-12-14 06:45:30,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:45:30,428 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2022-12-14 06:45:30,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2022-12-14 06:45:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2022-12-14 06:45:30,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 06:45:30,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:45:30,431 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:45:30,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 06:45:30,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-14 06:45:30,633 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:45:30,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:45:30,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1927327198, now seen corresponding path program 1 times [2022-12-14 06:45:30,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:45:30,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037370124] [2022-12-14 06:45:30,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:45:30,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:45:30,761 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:45:30,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [771324461] [2022-12-14 06:45:30,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:45:30,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:45:30,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:45:30,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:45:30,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2484702d-f6e6-429d-a71e-5e018522a83e/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 06:45:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:45:31,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 291 conjunts are in the unsatisfiable core [2022-12-14 06:45:31,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:45:31,390 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 06:45:31,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:45:31,777 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 06:45:31,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:45:31,784 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 06:45:32,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:45:33,099 INFO L321 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-12-14 06:45:33,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2022-12-14 06:45:33,109 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 06:45:33,120 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 06:45:33,382 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 06:45:33,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 06:45:34,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:45:34,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:45:34,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:45:34,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 185 [2022-12-14 06:45:34,303 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 06:45:34,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 98 treesize of output 131 [2022-12-14 06:45:34,377 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-12-14 06:45:34,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 92 treesize of output 125 [2022-12-14 06:45:34,432 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:45:34,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 100 [2022-12-14 06:45:35,089 INFO L321 Elim1Store]: treesize reduction 24, result has 42.9 percent of original size [2022-12-14 06:45:35,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 124 treesize of output 112 [2022-12-14 06:45:35,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-12-14 06:45:37,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:45:37,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:45:37,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:45:37,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 65 [2022-12-14 06:45:39,430 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:45:39,734 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:45:42,133 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-12-14 06:45:42,133 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 2 case distinctions, treesize of input 49 treesize of output 31 [2022-12-14 06:45:42,636 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-12-14 06:45:42,637 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 2 case distinctions, treesize of input 49 treesize of output 31 [2022-12-14 06:45:45,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:45:45,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:45:45,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:45:45,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 54 [2022-12-14 06:46:22,223 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 264 treesize of output 317 [2022-12-14 06:46:22,325 INFO L321 Elim1Store]: treesize reduction 54, result has 28.9 percent of original size [2022-12-14 06:46:22,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 284 treesize of output 352 [2022-12-14 06:46:22,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 239 [2022-12-14 06:46:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 35 refuted. 1 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 06:46:22,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:46:40,242 WARN L233 SmtUtils]: Spent 16.93s on a formula simplification that was a NOOP. DAG size: 225 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:46:45,569 WARN L233 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 173 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:47:22,336 WARN L233 SmtUtils]: Spent 36.75s on a formula simplification. DAG size of input: 396 DAG size of output: 193 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:47:43,391 WARN L233 SmtUtils]: Spent 21.05s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:48:35,953 WARN L233 SmtUtils]: Spent 14.74s on a formula simplification. DAG size of input: 81 DAG size of output: 68 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:48:35,955 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:48:35,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037370124] [2022-12-14 06:48:35,955 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:48:35,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771324461] [2022-12-14 06:48:35,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771324461] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:48:35,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1702480206] [2022-12-14 06:48:35,970 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2022-12-14 06:48:35,970 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:48:35,972 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:48:35,976 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:48:35,976 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:48:38,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:38,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:38,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:38,640 INFO L217 Elim1Store]: Index analysis took 320 ms [2022-12-14 06:48:51,036 WARN L233 SmtUtils]: Spent 12.36s on a formula simplification. DAG size of input: 1740 DAG size of output: 1157 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 06:48:51,041 INFO L321 Elim1Store]: treesize reduction 1938, result has 47.2 percent of original size [2022-12-14 06:48:51,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19114 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 193 case distinctions, treesize of input 987 treesize of output 2338 [2022-12-14 06:48:53,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:53,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:53,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:48:53,740 INFO L217 Elim1Store]: Index analysis took 523 ms [2022-12-14 06:49:12,979 WARN L233 SmtUtils]: Spent 19.21s on a formula simplification. DAG size of input: 2128 DAG size of output: 1161 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 06:49:12,984 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-12-14 06:49:12,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19310 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 386 case distinctions, treesize of input 997 treesize of output 2357 [2022-12-14 06:51:14,552 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 06:51:15,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:15,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:15,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:15,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:15,563 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-12-14 06:51:15,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 196 select indices, 196 select index equivalence classes, 17055 disjoint index pairs (out of 19110 index pairs), introduced 195 new quantified variables, introduced 28 case distinctions, treesize of input 1795 treesize of output 2363 [2022-12-14 06:51:16,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:16,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:16,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:16,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:16,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:16,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:17,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:17,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:17,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:17,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:17,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:17,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:17,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:17,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:17,038 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:17,110 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-12-14 06:51:17,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 196 select indices, 196 select index equivalence classes, 17055 disjoint index pairs (out of 19110 index pairs), introduced 195 new quantified variables, introduced 28 case distinctions, treesize of input 1795 treesize of output 2363 [2022-12-14 06:51:20,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:20,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:20,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 57 select indices, 57 select index equivalence classes, 1247 disjoint index pairs (out of 1596 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 681 treesize of output 804 [2022-12-14 06:51:30,965 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 06:51:30,970 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 06:51:30,988 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 06:51:30,991 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 06:51:31,011 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 06:51:31,018 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 06:51:31,022 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 06:51:31,026 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 06:51:31,041 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 06:51:31,044 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 06:51:31,062 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:51:31,063 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 06:51:31,081 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 06:51:31,109 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:51:31,110 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 06:51:31,118 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 06:51:31,197 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 06:51:33,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:33,931 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:51:33,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 1249 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 6 case distinctions, treesize of input 666 treesize of output 314 [2022-12-14 06:51:34,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:34,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:34,379 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 06:51:34,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1774 treesize of output 610 [2022-12-14 06:51:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:34,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 06:51:35,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:35,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:35,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:35,187 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 06:51:35,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:35,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:35,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:35,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:35,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:35,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:35,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:35,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:35,681 INFO L217 Elim1Store]: Index analysis took 102 ms [2022-12-14 06:51:35,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17052 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1752 treesize of output 586 [2022-12-14 06:51:44,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,452 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:51:44,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 1249 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 6 case distinctions, treesize of input 666 treesize of output 314 [2022-12-14 06:51:44,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:44,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:44,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:44,839 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 06:51:44,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-12-14 06:51:45,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:45,668 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 06:51:45,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19305 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 2 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 06:51:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:46,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:51:46,165 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 06:51:46,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1774 treesize of output 610 [2022-12-14 06:51:46,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:51:46,578 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 06:51:47,258 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 06:51:47,268 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 06:52:17,590 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_clear with input of size 115 for LOIs [2022-12-14 06:52:17,860 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 06:52:17,868 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 41 treesize of output 25 [2022-12-14 06:52:17,875 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 41 treesize of output 25 [2022-12-14 06:52:17,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 06:52:17,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 06:52:17,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 06:52:17,961 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:52:17,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 06:52:18,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 06:52:18,001 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 06:52:18,921 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-12-14 06:52:18,929 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-12-14 06:52:24,904 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-12-14 06:52:24,907 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 76 for LOIs [2022-12-14 06:52:24,939 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 06:52:24,955 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 06:52:25,041 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 06:52:25,049 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 06:52:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:52:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:52:25,061 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:52:25,061 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 06:52:25,162 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 06:52:25,170 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 06:52:25,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:52:25,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:52:25,185 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:52:25,185 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 06:52:25,316 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 06:52:25,398 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2819 for LOIs [2022-12-14 06:52:28,432 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 139 for LOIs [2022-12-14 06:52:28,758 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 06:52:28,764 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 06:52:28,771 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 06:52:28,777 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 06:52:28,839 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 125 for LOIs [2022-12-14 06:52:28,888 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 06:54:20,395 WARN L233 SmtUtils]: Spent 1.79m on a formula simplification. DAG size of input: 2815 DAG size of output: 2431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:56:25,270 WARN L233 SmtUtils]: Spent 2.01m on a formula simplification. DAG size of input: 2819 DAG size of output: 2435 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:59:07,037 WARN L233 SmtUtils]: Spent 2.63m on a formula simplification. DAG size of input: 2861 DAG size of output: 2477 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)