./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS --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 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 --- 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-8393723 [2022-11-19 08:17:03,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:17:03,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:17:03,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:17:03,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:17:03,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:17:03,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:17:03,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:17:03,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:17:03,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:17:03,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:17:03,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:17:03,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:17:03,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:17:03,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:17:03,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:17:03,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:17:03,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:17:03,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:17:03,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:17:03,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:17:03,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:17:03,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:17:03,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:17:03,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:17:03,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:17:03,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:17:03,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:17:03,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:17:03,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:17:03,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:17:03,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:17:03,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:17:03,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:17:03,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:17:03,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:17:03,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:17:03,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:17:03,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:17:03,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:17:03,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:17:03,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:17:03,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:17:03,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:17:03,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:17:03,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:17:03,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:17:03,754 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:17:03,754 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:17:03,754 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:17:03,754 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:17:03,755 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:17:03,755 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:17:03,755 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:17:03,755 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:17:03,756 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:17:03,756 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:17:03,756 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:17:03,757 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:17:03,757 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:17:03,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:17:03,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:17:03,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:17:03,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:17:03,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:17:03,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:17:03,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:17:03,760 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:17:03,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:17:03,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:17:03,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:17:03,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:17:03,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:17:03,761 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:17:03,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:17:03,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:17:03,762 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:17:03,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:17:03,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:17:03,763 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:17:03,763 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_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 [2022-11-19 08:17:04,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:17:04,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:17:04,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:17:04,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:17:04,112 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:17:04,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2022-11-19 08:17:04,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/data/a55c665b0/0d52d88d3da6405ba3fd323e296bbf75/FLAG559427a25 [2022-11-19 08:17:05,006 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:17:05,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2022-11-19 08:17:05,037 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/data/a55c665b0/0d52d88d3da6405ba3fd323e296bbf75/FLAG559427a25 [2022-11-19 08:17:05,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/data/a55c665b0/0d52d88d3da6405ba3fd323e296bbf75 [2022-11-19 08:17:05,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:17:05,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:17:05,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:17:05,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:17:05,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:17:05,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:17:05" (1/1) ... [2022-11-19 08:17:05,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd7a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:05, skipping insertion in model container [2022-11-19 08:17:05,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:17:05" (1/1) ... [2022-11-19 08:17:05,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:17:05,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:17:05,977 WARN L234 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_da9c6733-40c6-4336-a236-69c29a753616/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4493,4506] [2022-11-19 08:17:05,985 WARN L234 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_da9c6733-40c6-4336-a236-69c29a753616/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4553,4566] [2022-11-19 08:17:06,896 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 08:17:06,970 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:06,970 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:06,971 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:06,972 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:06,973 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:06,986 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:06,987 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:06,988 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:06,989 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:06,991 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:06,992 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:06,993 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:06,993 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,394 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 08:17:07,396 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 08:17:07,397 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 08:17:07,398 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 08:17:07,400 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 08:17:07,400 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 08:17:07,401 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 08:17:07,402 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 08:17:07,403 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 08:17:07,404 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 08:17:07,547 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,548 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,553 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,560 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:17:07,729 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:17:07,743 WARN L234 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_da9c6733-40c6-4336-a236-69c29a753616/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4493,4506] [2022-11-19 08:17:07,744 WARN L234 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_da9c6733-40c6-4336-a236-69c29a753616/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4553,4566] [2022-11-19 08:17:07,787 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 08:17:07,806 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,807 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,807 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,808 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,809 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,818 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,818 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,820 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,820 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,822 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,823 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,823 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,824 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,864 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 08:17:07,876 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 08:17:07,877 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 08:17:07,878 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 08:17:07,879 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 08:17:07,880 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 08:17:07,880 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 08:17:07,881 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 08:17:07,881 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 08:17:07,882 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 08:17:07,935 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,941 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,945 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:07,952 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 08:17:08,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:17:08,292 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:17:08,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08 WrapperNode [2022-11-19 08:17:08,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:17:08,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:17:08,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:17:08,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:17:08,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08" (1/1) ... [2022-11-19 08:17:08,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08" (1/1) ... [2022-11-19 08:17:08,507 INFO L138 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 648 [2022-11-19 08:17:08,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:17:08,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:17:08,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:17:08,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:17:08,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08" (1/1) ... [2022-11-19 08:17:08,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08" (1/1) ... [2022-11-19 08:17:08,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08" (1/1) ... [2022-11-19 08:17:08,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08" (1/1) ... [2022-11-19 08:17:08,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08" (1/1) ... [2022-11-19 08:17:08,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08" (1/1) ... [2022-11-19 08:17:08,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08" (1/1) ... [2022-11-19 08:17:08,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08" (1/1) ... [2022-11-19 08:17:08,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:17:08,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:17:08,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:17:08,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:17:08,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08" (1/1) ... [2022-11-19 08:17:08,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:17:08,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:17:08,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:17:08,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:17:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:17:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-19 08:17:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-19 08:17:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-19 08:17:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-19 08:17:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-19 08:17:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-19 08:17:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:17:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-19 08:17:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-19 08:17:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 08:17:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 08:17:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:17:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:17:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:17:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-19 08:17:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-19 08:17:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:17:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:17:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 08:17:08,715 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 08:17:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-19 08:17:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-19 08:17:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-19 08:17:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-19 08:17:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 08:17:08,716 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 08:17:08,716 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-19 08:17:08,717 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-19 08:17:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:17:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:17:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:17:08,717 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-19 08:17:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-19 08:17:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-19 08:17:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-19 08:17:08,718 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-19 08:17:08,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-19 08:17:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:17:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-19 08:17:08,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-19 08:17:08,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:17:08,997 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:17:09,000 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:17:10,160 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:17:10,343 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:17:10,343 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:17:10,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:17:10 BoogieIcfgContainer [2022-11-19 08:17:10,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:17:10,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:17:10,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:17:10,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:17:10,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:17:05" (1/3) ... [2022-11-19 08:17:10,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332d3bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:17:10, skipping insertion in model container [2022-11-19 08:17:10,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:17:08" (2/3) ... [2022-11-19 08:17:10,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332d3bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:17:10, skipping insertion in model container [2022-11-19 08:17:10,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:17:10" (3/3) ... [2022-11-19 08:17:10,367 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_harness.i [2022-11-19 08:17:10,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:17:10,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:17:10,477 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:17:10,488 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;@3167ba50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:17:10,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:17:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 74 states have internal predecessors, (83), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2022-11-19 08:17:10,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 08:17:10,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:17:10,509 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:17:10,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:17:10,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:17:10,518 INFO L85 PathProgramCache]: Analyzing trace with hash -333435140, now seen corresponding path program 1 times [2022-11-19 08:17:10,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:17:10,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797957983] [2022-11-19 08:17:10,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:10,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:17:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-19 08:17:11,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:17:11,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797957983] [2022-11-19 08:17:11,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797957983] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:17:11,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476180352] [2022-11-19 08:17:11,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:11,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:17:11,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:17:11,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:17:11,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:17:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:12,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 1985 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 08:17:12,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:17:12,313 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-19 08:17:12,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:17:12,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476180352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:17:12,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:17:12,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-19 08:17:12,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375267884] [2022-11-19 08:17:12,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:17:12,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:17:12,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:17:12,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:17:12,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:17:12,371 INFO L87 Difference]: Start difference. First operand has 151 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 74 states have internal predecessors, (83), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-19 08:17:12,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:17:12,961 INFO L93 Difference]: Finished difference Result 273 states and 398 transitions. [2022-11-19 08:17:12,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:17:12,964 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 54 [2022-11-19 08:17:12,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:17:12,977 INFO L225 Difference]: With dead ends: 273 [2022-11-19 08:17:12,977 INFO L226 Difference]: Without dead ends: 151 [2022-11-19 08:17:12,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:17:12,988 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 31 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:17:12,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 582 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 08:17:13,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-11-19 08:17:13,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-11-19 08:17:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 73 states have (on average 1.1232876712328768) internal successors, (82), 75 states have internal predecessors, (82), 61 states have call successors, (61), 15 states have call predecessors, (61), 16 states have return successors, (68), 60 states have call predecessors, (68), 60 states have call successors, (68) [2022-11-19 08:17:13,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 211 transitions. [2022-11-19 08:17:13,048 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 211 transitions. Word has length 54 [2022-11-19 08:17:13,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:17:13,048 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 211 transitions. [2022-11-19 08:17:13,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-19 08:17:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2022-11-19 08:17:13,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-19 08:17:13,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:17:13,051 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:17:13,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:17:13,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:17:13,260 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:17:13,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:17:13,261 INFO L85 PathProgramCache]: Analyzing trace with hash 211094557, now seen corresponding path program 1 times [2022-11-19 08:17:13,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:17:13,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889980084] [2022-11-19 08:17:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:13,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:17:13,378 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:17:13,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804080683] [2022-11-19 08:17:13,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:13,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:17:13,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:17:13,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:17:13,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:17:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:13,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 2117 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 08:17:13,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:17:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-19 08:17:14,006 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:17:14,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:17:14,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889980084] [2022-11-19 08:17:14,007 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:17:14,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804080683] [2022-11-19 08:17:14,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804080683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:17:14,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:17:14,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 08:17:14,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685173391] [2022-11-19 08:17:14,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:17:14,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 08:17:14,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:17:14,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 08:17:14,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 08:17:14,012 INFO L87 Difference]: Start difference. First operand 151 states and 211 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-19 08:17:14,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:17:14,730 INFO L93 Difference]: Finished difference Result 278 states and 397 transitions. [2022-11-19 08:17:14,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:17:14,730 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 63 [2022-11-19 08:17:14,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:17:14,733 INFO L225 Difference]: With dead ends: 278 [2022-11-19 08:17:14,733 INFO L226 Difference]: Without dead ends: 161 [2022-11-19 08:17:14,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:17:14,736 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 36 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:17:14,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 889 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 08:17:14,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-19 08:17:14,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-11-19 08:17:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 77 states have (on average 1.1168831168831168) internal successors, (86), 79 states have internal predecessors, (86), 66 states have call successors, (66), 16 states have call predecessors, (66), 17 states have return successors, (73), 65 states have call predecessors, (73), 65 states have call successors, (73) [2022-11-19 08:17:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 225 transitions. [2022-11-19 08:17:14,755 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 225 transitions. Word has length 63 [2022-11-19 08:17:14,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:17:14,756 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 225 transitions. [2022-11-19 08:17:14,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-19 08:17:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2022-11-19 08:17:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-19 08:17:14,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:17:14,759 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:17:14,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 08:17:14,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:17:14,968 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:17:14,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:17:14,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1014181917, now seen corresponding path program 1 times [2022-11-19 08:17:14,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:17:14,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075520395] [2022-11-19 08:17:14,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:14,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:17:15,095 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 08:17:15,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884444178] [2022-11-19 08:17:15,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:15,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:17:15,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:17:15,098 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:17:15,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da9c6733-40c6-4336-a236-69c29a753616/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 08:17:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:16,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 305 conjunts are in the unsatisfiable core [2022-11-19 08:17:16,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:17:16,147 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 [2022-11-19 08:17:17,106 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:17:17,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 34 treesize of output 36 [2022-11-19 08:17:17,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:17,259 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 [2022-11-19 08:17:17,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:17,279 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 [2022-11-19 08:17:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:17,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 47 [2022-11-19 08:17:18,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:18,012 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 16 treesize of output 18 [2022-11-19 08:17:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:18,031 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 16 treesize of output 18 [2022-11-19 08:17:18,048 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 08:17:18,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 08:17:22,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:17:22,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:17:22,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,363 INFO L321 Elim1Store]: treesize reduction 36, result has 29.4 percent of original size [2022-11-19 08:17:22,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 168 treesize of output 199 [2022-11-19 08:17:22,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 117 [2022-11-19 08:17:22,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 101 [2022-11-19 08:17:22,607 INFO L321 Elim1Store]: treesize reduction 66, result has 38.3 percent of original size [2022-11-19 08:17:22,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 117 treesize of output 130 [2022-11-19 08:17:22,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2022-11-19 08:17:22,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,781 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 90 treesize of output 74 [2022-11-19 08:17:22,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,835 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 81 treesize of output 67 [2022-11-19 08:17:22,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:22,880 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 81 treesize of output 67 [2022-11-19 08:17:27,582 INFO L321 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2022-11-19 08:17:27,582 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 32 treesize of output 27 [2022-11-19 08:17:27,610 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 15 treesize of output 11 [2022-11-19 08:17:27,628 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 15 treesize of output 11 [2022-11-19 08:17:30,544 INFO L321 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2022-11-19 08:17:30,545 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 25 treesize of output 22 [2022-11-19 08:18:23,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 267 [2022-11-19 08:18:23,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 230 treesize of output 251 [2022-11-19 08:18:24,357 INFO L321 Elim1Store]: treesize reduction 80, result has 26.6 percent of original size [2022-11-19 08:18:24,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 787 treesize of output 728 [2022-11-19 08:18:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-19 08:18:25,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:18:37,344 WARN L233 SmtUtils]: Spent 11.63s 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) [2022-11-19 08:18:47,330 WARN L233 SmtUtils]: Spent 9.98s 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) [2022-11-19 08:19:32,284 WARN L233 SmtUtils]: Spent 44.92s on a formula simplification. DAG size of input: 396 DAG size of output: 192 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:19:48,455 WARN L233 SmtUtils]: Spent 16.17s on a formula simplification that was a NOOP. DAG size: 184 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 08:20:07,064 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:20:07,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075520395] [2022-11-19 08:20:07,064 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 08:20:07,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884444178] [2022-11-19 08:20:07,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884444178] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:20:07,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [635972152] [2022-11-19 08:20:07,085 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-11-19 08:20:07,085 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:20:07,089 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:20:07,116 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:20:07,116 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:20:10,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:10,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:11,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:11,343 INFO L217 Elim1Store]: Index analysis took 664 ms [2022-11-19 08:20:33,430 WARN L233 SmtUtils]: Spent 22.02s 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) [2022-11-19 08:20:33,436 INFO L321 Elim1Store]: treesize reduction 1938, result has 47.2 percent of original size [2022-11-19 08:20:33,439 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 [2022-11-19 08:20:37,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:37,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:37,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:20:38,192 INFO L217 Elim1Store]: Index analysis took 1420 ms [2022-11-19 08:21:12,204 WARN L233 SmtUtils]: Spent 33.96s 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) [2022-11-19 08:21:12,208 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-11-19 08:21:12,211 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 [2022-11-19 08:22:37,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:37,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:37,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-19 08:22:37,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:37,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-19 08:22:37,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:37,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-19 08:22:37,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 08:22:42,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,411 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-19 08:22:42,417 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 [2022-11-19 08:22:42,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,967 INFO L217 Elim1Store]: Index analysis took 137 ms [2022-11-19 08:22:42,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,009 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:22:43,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-11-19 08:22:43,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,663 INFO L217 Elim1Store]: Index analysis took 162 ms [2022-11-19 08:22:43,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:22:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:22:43,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:43,786 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-19 08:22:43,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17055 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 [2022-11-19 08:22:44,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,640 INFO L217 Elim1Store]: Index analysis took 162 ms [2022-11-19 08:22:44,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:22:44,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:22:44,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:44,754 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-19 08:22:44,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17055 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-19 08:22:45,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:45,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:45,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:45,431 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 [2022-11-19 08:22:59,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:22:59,407 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-19 08:22:59,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19501 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-11-19 08:23:00,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,200 INFO L217 Elim1Store]: Index analysis took 153 ms [2022-11-19 08:23:00,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:23:00,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:23:00,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,281 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-19 08:23:00,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17055 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 [2022-11-19 08:23:00,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,846 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-11-19 08:23:00,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:23:00,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 08:23:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:00,953 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-19 08:23:00,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17055 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-19 08:23:01,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,454 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 [2022-11-19 08:23:01,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:01,943 INFO L217 Elim1Store]: Index analysis took 116 ms [2022-11-19 08:23:01,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1243 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-19 08:23:03,390 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 [2022-11-19 08:23:03,397 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 [2022-11-19 08:23:03,443 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 [2022-11-19 08:23:03,448 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 [2022-11-19 08:23:03,500 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 [2022-11-19 08:23:03,509 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 [2022-11-19 08:23:03,516 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 [2022-11-19 08:23:03,523 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 [2022-11-19 08:23:03,613 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:23:03,613 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 [2022-11-19 08:23:03,624 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 [2022-11-19 08:23:03,631 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 [2022-11-19 08:23:03,714 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:23:03,715 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 [2022-11-19 08:23:03,729 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 [2022-11-19 08:23:03,737 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 [2022-11-19 08:23:03,800 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 [2022-11-19 08:23:04,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 08:23:04,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:04,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-19 08:23:04,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:04,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-19 08:23:06,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:06,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-19 08:23:06,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:06,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-19 08:23:06,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 08:23:31,139 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 62 for LOIs [2022-11-19 08:23:31,732 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 [2022-11-19 08:23:31,845 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 [2022-11-19 08:23:32,836 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 37 for LOIs [2022-11-19 08:23:32,847 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 42 for LOIs [2022-11-19 08:23:32,866 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 [2022-11-19 08:23:32,878 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 [2022-11-19 08:23:32,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:32,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:32,955 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:23:32,956 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 [2022-11-19 08:23:32,973 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 [2022-11-19 08:23:32,983 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 [2022-11-19 08:23:33,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:33,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:23:33,061 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 08:23:33,062 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 [2022-11-19 08:23:33,072 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 [2022-11-19 08:23:33,087 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 [2022-11-19 08:23:33,453 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-19 08:23:33,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 174 treesize of output 191 [2022-11-19 08:23:33,938 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2815 for LOIs [2022-11-19 08:23:37,284 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 102 for LOIs [2022-11-19 08:23:37,999 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 88 for LOIs [2022-11-19 08:23:38,029 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2858 for LOIs [2022-11-19 08:25:47,895 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2856 for LOIs [2022-11-19 08:25:55,774 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 2886 for LOIs [2022-11-19 08:26:08,413 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 08:28:37,249 WARN L233 SmtUtils]: Spent 2.41m on a formula simplification. DAG size of input: 2811 DAG size of output: 2427 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:31:27,838 WARN L233 SmtUtils]: Spent 2.78m 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)