./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:50:40,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:50:40,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:50:40,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:50:40,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:50:40,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:50:40,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:50:40,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:50:40,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:50:40,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:50:40,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:50:40,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:50:40,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:50:40,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:50:40,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:50:40,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:50:40,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:50:40,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:50:40,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:50:40,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:50:40,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:50:40,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:50:40,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:50:40,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:50:40,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:50:40,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:50:40,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:50:40,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:50:40,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:50:40,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:50:40,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:50:40,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:50:40,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:50:40,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:50:40,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:50:40,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:50:40,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:50:40,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:50:40,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:50:40,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:50:40,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:50:40,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 07:50:40,336 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:50:40,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:50:40,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:50:40,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:50:40,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:50:40,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:50:40,337 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:50:40,337 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:50:40,337 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:50:40,337 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:50:40,337 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:50:40,338 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:50:40,338 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:50:40,338 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:50:40,338 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:50:40,338 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:50:40,338 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:50:40,338 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:50:40,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:50:40,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:50:40,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:50:40,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:50:40,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:50:40,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:50:40,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:50:40,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:50:40,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:50:40,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:50:40,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:50:40,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:50:40,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:50:40,340 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:50:40,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:50:40,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:50:40,341 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:50:40,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:50:40,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:50:40,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:50:40,342 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_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 [2022-12-14 07:50:40,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:50:40,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:50:40,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:50:40,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:50:40,528 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:50:40,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2022-12-14 07:50:43,174 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:50:43,526 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:50:43,527 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2022-12-14 07:50:43,548 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/data/1ba66e08c/20d93f3c1b6343e1959d9c7ee02476f5/FLAGc1cbd6ed3 [2022-12-14 07:50:43,562 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/data/1ba66e08c/20d93f3c1b6343e1959d9c7ee02476f5 [2022-12-14 07:50:43,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:50:43,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:50:43,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:50:43,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:50:43,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:50:43,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:50:43" (1/1) ... [2022-12-14 07:50:43,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccbfc91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:43, skipping insertion in model container [2022-12-14 07:50:43,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:50:43" (1/1) ... [2022-12-14 07:50:43,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:50:43,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:50:43,890 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-12-14 07:50:43,898 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-12-14 07:50:44,525 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 07:50:44,602 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:44,607 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,608 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,609 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,609 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,611 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,613 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:44,623 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,624 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:44,624 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,626 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,627 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,629 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,629 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:44,630 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,631 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,631 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:44,711 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:50:44,711 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:50:44,712 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:50:44,715 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 07:50:44,716 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 07:50:44,717 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 07:50:44,923 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 07:50:44,924 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 07:50:44,925 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 07:50:44,925 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 07:50:44,926 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 07:50:44,927 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 07:50:44,928 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 07:50:44,928 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 07:50:44,928 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 07:50:44,929 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 07:50:44,929 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 07:50:45,061 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,063 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,065 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,065 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,067 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,068 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,071 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,071 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,072 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,072 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,072 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,073 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,101 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 07:50:45,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:50:45,126 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:50:45,135 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-12-14 07:50:45,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-12-14 07:50:45,160 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 07:50:45,170 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,172 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,172 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,173 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,173 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,173 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,174 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,179 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,179 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,179 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,180 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,180 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,181 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,181 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,182 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,182 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,182 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,188 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:50:45,188 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:50:45,188 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:50:45,191 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 07:50:45,192 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 07:50:45,192 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 07:50:45,207 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 07:50:45,208 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 07:50:45,208 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 07:50:45,209 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 07:50:45,209 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 07:50:45,210 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 07:50:45,210 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 07:50:45,211 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 07:50:45,211 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 07:50:45,211 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 07:50:45,212 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 07:50:45,230 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,231 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,233 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,233 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,234 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:50:45,235 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,236 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,236 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,236 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,237 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,237 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,237 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:50:45,248 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 07:50:45,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:50:45,399 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:50:45,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45 WrapperNode [2022-12-14 07:50:45,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:50:45,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:50:45,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:50:45,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:50:45,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45" (1/1) ... [2022-12-14 07:50:45,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45" (1/1) ... [2022-12-14 07:50:45,505 INFO L138 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 655 [2022-12-14 07:50:45,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:50:45,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:50:45,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:50:45,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:50:45,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45" (1/1) ... [2022-12-14 07:50:45,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45" (1/1) ... [2022-12-14 07:50:45,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45" (1/1) ... [2022-12-14 07:50:45,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45" (1/1) ... [2022-12-14 07:50:45,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45" (1/1) ... [2022-12-14 07:50:45,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45" (1/1) ... [2022-12-14 07:50:45,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45" (1/1) ... [2022-12-14 07:50:45,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45" (1/1) ... [2022-12-14 07:50:45,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:50:45,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:50:45,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:50:45,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:50:45,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45" (1/1) ... [2022-12-14 07:50:45,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:50:45,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:50:45,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:50:45,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:50:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:50:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 07:50:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 07:50:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 07:50:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 07:50:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 07:50:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 07:50:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:50:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 07:50:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 07:50:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:50:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:50:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:50:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:50:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:50:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 07:50:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 07:50:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:50:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:50:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 07:50:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 07:50:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 07:50:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 07:50:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 07:50:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 07:50:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 07:50:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 07:50:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 07:50:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 07:50:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 07:50:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 07:50:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 07:50:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 07:50:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:50:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:50:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:50:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 07:50:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 07:50:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 07:50:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 07:50:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:50:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 07:50:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 07:50:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:50:45,873 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:50:45,875 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:50:46,554 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:50:46,665 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:50:46,666 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 07:50:46,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:50:46 BoogieIcfgContainer [2022-12-14 07:50:46,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:50:46,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:50:46,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:50:46,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:50:46,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:50:43" (1/3) ... [2022-12-14 07:50:46,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6049cb6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:50:46, skipping insertion in model container [2022-12-14 07:50:46,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:50:45" (2/3) ... [2022-12-14 07:50:46,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6049cb6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:50:46, skipping insertion in model container [2022-12-14 07:50:46,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:50:46" (3/3) ... [2022-12-14 07:50:46,675 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness.i [2022-12-14 07:50:46,688 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:50:46,688 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:50:46,724 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:50:46,728 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;@4fa03f8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:50:46,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:50:46,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 79 states have internal predecessors, (92), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-12-14 07:50:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 07:50:46,743 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:50:46,744 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:50:46,745 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:50:46,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:50:46,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1413423871, now seen corresponding path program 1 times [2022-12-14 07:50:46,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:50:46,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107412870] [2022-12-14 07:50:46,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:46,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:50:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:50:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-12-14 07:50:47,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:50:47,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107412870] [2022-12-14 07:50:47,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107412870] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:50:47,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197355372] [2022-12-14 07:50:47,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:47,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:47,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:50:47,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:50:47,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:50:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:50:47,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:50:47,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:50:47,836 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-12-14 07:50:47,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:50:47,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197355372] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:50:47,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:50:47,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 07:50:47,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343280257] [2022-12-14 07:50:47,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:50:47,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:50:47,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:50:47,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:50:47,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:50:47,874 INFO L87 Difference]: Start difference. First operand has 149 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 79 states have internal predecessors, (92), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-14 07:50:48,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:50:48,326 INFO L93 Difference]: Finished difference Result 275 states and 387 transitions. [2022-12-14 07:50:48,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:50:48,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 95 [2022-12-14 07:50:48,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:50:48,338 INFO L225 Difference]: With dead ends: 275 [2022-12-14 07:50:48,338 INFO L226 Difference]: Without dead ends: 145 [2022-12-14 07:50:48,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 07:50:48,345 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 39 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:50:48,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 558 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 07:50:48,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-12-14 07:50:48,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-12-14 07:50:48,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (56), 51 states have call predecessors, (56), 51 states have call successors, (56) [2022-12-14 07:50:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 194 transitions. [2022-12-14 07:50:48,394 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 194 transitions. Word has length 95 [2022-12-14 07:50:48,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:50:48,395 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 194 transitions. [2022-12-14 07:50:48,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-14 07:50:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 194 transitions. [2022-12-14 07:50:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 07:50:48,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:50:48,399 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:50:48,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:50:48,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:48,600 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:50:48,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:50:48,600 INFO L85 PathProgramCache]: Analyzing trace with hash -365698913, now seen corresponding path program 1 times [2022-12-14 07:50:48,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:50:48,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187990756] [2022-12-14 07:50:48,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:48,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:50:48,671 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:50:48,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [115116864] [2022-12-14 07:50:48,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:48,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:48,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:50:48,672 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:50:48,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:50:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:50:49,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 2476 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 07:50:49,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:50:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-14 07:50:49,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:50:49,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:50:49,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187990756] [2022-12-14 07:50:49,137 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:50:49,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115116864] [2022-12-14 07:50:49,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115116864] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:50:49,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:50:49,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:50:49,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004931581] [2022-12-14 07:50:49,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:50:49,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:50:49,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:50:49,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:50:49,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:50:49,140 INFO L87 Difference]: Start difference. First operand 145 states and 194 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 07:50:49,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:50:49,542 INFO L93 Difference]: Finished difference Result 236 states and 315 transitions. [2022-12-14 07:50:49,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:50:49,543 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 113 [2022-12-14 07:50:49,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:50:49,545 INFO L225 Difference]: With dead ends: 236 [2022-12-14 07:50:49,545 INFO L226 Difference]: Without dead ends: 145 [2022-12-14 07:50:49,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:50:49,547 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 52 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:50:49,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 623 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 07:50:49,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-12-14 07:50:49,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-12-14 07:50:49,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2022-12-14 07:50:49,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 191 transitions. [2022-12-14 07:50:49,564 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 191 transitions. Word has length 113 [2022-12-14 07:50:49,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:50:49,564 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 191 transitions. [2022-12-14 07:50:49,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 07:50:49,565 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 191 transitions. [2022-12-14 07:50:49,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-14 07:50:49,566 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:50:49,567 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:50:49,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:50:49,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:49,768 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:50:49,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:50:49,768 INFO L85 PathProgramCache]: Analyzing trace with hash -446029571, now seen corresponding path program 2 times [2022-12-14 07:50:49,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:50:49,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236810322] [2022-12-14 07:50:49,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:49,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:50:49,834 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:50:49,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1182103458] [2022-12-14 07:50:49,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 07:50:49,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:49,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:50:49,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:50:49,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:50:50,295 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 07:50:50,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:50:50,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 07:50:50,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:50:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-12-14 07:50:50,325 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:50:50,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:50:50,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236810322] [2022-12-14 07:50:50,325 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:50:50,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182103458] [2022-12-14 07:50:50,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182103458] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:50:50,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:50:50,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:50:50,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330719949] [2022-12-14 07:50:50,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:50:50,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:50:50,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:50:50,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:50:50,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:50:50,327 INFO L87 Difference]: Start difference. First operand 145 states and 191 transitions. Second operand has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 07:50:50,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:50:50,643 INFO L93 Difference]: Finished difference Result 232 states and 306 transitions. [2022-12-14 07:50:50,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:50:50,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 122 [2022-12-14 07:50:50,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:50:50,647 INFO L225 Difference]: With dead ends: 232 [2022-12-14 07:50:50,647 INFO L226 Difference]: Without dead ends: 145 [2022-12-14 07:50:50,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:50:50,649 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:50:50,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 591 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 07:50:50,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-12-14 07:50:50,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-12-14 07:50:50,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (52), 51 states have call predecessors, (52), 51 states have call successors, (52) [2022-12-14 07:50:50,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 190 transitions. [2022-12-14 07:50:50,659 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 190 transitions. Word has length 122 [2022-12-14 07:50:50,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:50:50,659 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 190 transitions. [2022-12-14 07:50:50,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-12-14 07:50:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 190 transitions. [2022-12-14 07:50:50,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 07:50:50,661 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:50:50,661 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:50:50,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 07:50:50,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:50,862 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:50:50,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:50:50,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1927146155, now seen corresponding path program 3 times [2022-12-14 07:50:50,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:50:50,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119750080] [2022-12-14 07:50:50,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:50,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:50:50,991 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:50:50,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896158293] [2022-12-14 07:50:50,992 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 07:50:50,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:50,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:50:50,993 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:50:50,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 07:50:51,383 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 07:50:51,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:50:51,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 2740 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 07:50:51,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:50:51,485 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-12-14 07:50:51,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:50:51,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:50:51,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119750080] [2022-12-14 07:50:51,485 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:50:51,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896158293] [2022-12-14 07:50:51,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896158293] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:50:51,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:50:51,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 07:50:51,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649211398] [2022-12-14 07:50:51,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:50:51,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:50:51,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:50:51,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:50:51,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:50:51,488 INFO L87 Difference]: Start difference. First operand 145 states and 190 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 07:50:51,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:50:51,969 INFO L93 Difference]: Finished difference Result 231 states and 302 transitions. [2022-12-14 07:50:51,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 07:50:51,969 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 131 [2022-12-14 07:50:51,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:50:51,971 INFO L225 Difference]: With dead ends: 231 [2022-12-14 07:50:51,971 INFO L226 Difference]: Without dead ends: 143 [2022-12-14 07:50:51,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-14 07:50:51,972 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 55 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:50:51,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 870 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 07:50:51,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-12-14 07:50:51,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-12-14 07:50:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.1216216216216217) internal successors, (83), 75 states have internal predecessors, (83), 53 states have call successors, (53), 16 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-12-14 07:50:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 187 transitions. [2022-12-14 07:50:51,980 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 187 transitions. Word has length 131 [2022-12-14 07:50:51,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:50:51,980 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 187 transitions. [2022-12-14 07:50:51,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 07:50:51,981 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2022-12-14 07:50:51,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-14 07:50:51,982 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:50:51,982 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:50:51,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 07:50:52,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:52,184 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:50:52,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:50:52,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1403130913, now seen corresponding path program 1 times [2022-12-14 07:50:52,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:50:52,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402548045] [2022-12-14 07:50:52,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:52,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:50:52,272 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:50:52,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1873270790] [2022-12-14 07:50:52,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:50:52,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:50:52,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:50:52,273 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:50:52,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eb823d7-d3cd-4bfa-b7e6-48b30f404e1c/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 07:50:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:50:52,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 2872 conjuncts, 56 conjunts are in the unsatisfiable core [2022-12-14 07:50:52,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:50:52,916 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 6 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-14 07:50:52,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:50:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-12-14 07:50:53,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:50:53,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402548045] [2022-12-14 07:50:53,291 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:50:53,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873270790] [2022-12-14 07:50:53,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873270790] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:50:53,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [391738064] [2022-12-14 07:50:53,308 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-12-14 07:50:53,309 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:50:53,312 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:50:53,317 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:50:53,318 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:50:55,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:55,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:56,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:50:56,144 INFO L217 Elim1Store]: Index analysis took 317 ms [2022-12-14 07:51:07,027 WARN L233 SmtUtils]: Spent 10.83s on a formula simplification. DAG size of input: 1740 DAG size of output: 1157 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:51:07,032 INFO L321 Elim1Store]: treesize reduction 1938, result has 47.2 percent of original size [2022-12-14 07:51:07,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19114 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 193 case distinctions, treesize of input 987 treesize of output 2338 [2022-12-14 07:51:09,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:09,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:51:10,234 INFO L217 Elim1Store]: Index analysis took 513 ms [2022-12-14 07:51:26,938 WARN L233 SmtUtils]: Spent 16.67s on a formula simplification. DAG size of input: 2128 DAG size of output: 1161 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:51:26,941 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-12-14 07:51:26,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19310 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 386 case distinctions, treesize of input 997 treesize of output 2357 [2022-12-14 07:52:27,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:27,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 07:52:27,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:27,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 07:52:27,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:27,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 07:52:27,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 07:52:29,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:29,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:29,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:29,884 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 07:52:29,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-12-14 07:52:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 07:52:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1243 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-12-14 07:52:30,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:30,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17052 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1752 treesize of output 586 [2022-12-14 07:52:31,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:31,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:31,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:31,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 07:52:39,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,070 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 07:52:40,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19305 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 2 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 07:52:40,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,403 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:52:40,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-12-14 07:52:40,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,761 INFO L217 Elim1Store]: Index analysis took 110 ms [2022-12-14 07:52:40,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:40,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:40,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:40,811 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 07:52:40,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-12-14 07:52:41,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,227 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 07:52:41,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19501 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 07:52:41,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:41,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:41,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:41,739 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 07:52:41,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-12-14 07:52:42,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 07:52:42,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 07:52:42,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 07:52:42,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 07:52:42,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 07:52:42,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 07:52:42,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 07:52:42,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 07:52:42,825 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:52:42,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 07:52:42,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:52:42,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:52:42,877 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:52:42,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 07:52:42,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:52:42,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:52:42,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 07:52:43,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 07:52:43,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:43,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 07:52:43,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:43,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-12-14 07:52:44,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 07:52:44,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:44,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-12-14 07:52:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:44,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-12-14 07:52:45,817 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 07:52:45,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-12-14 07:52:45,843 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 07:52:45,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-12-14 07:52:46,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:46,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:46,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:46,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:46,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:46,008 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 07:52:46,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-12-14 07:52:46,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:46,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:46,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:46,027 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 07:52:46,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-12-14 07:52:46,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:52:46,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:52:46,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:46,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:46,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:46,065 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 07:52:46,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-12-14 07:52:46,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:52:46,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:46,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:46,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:46,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:46,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:46,275 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 07:52:46,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-12-14 07:52:46,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:52:46,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:46,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:46,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:46,298 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 07:52:46,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-12-14 07:52:46,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:46,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:52:46,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:52:46,313 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 07:52:46,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-12-14 07:53:03,881 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 47 for LOIs [2022-12-14 07:53:03,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 07:53:03,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 07:53:03,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:53:03,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:53:03,941 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:53:03,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 07:53:03,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:53:03,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:53:03,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:53:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:53:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:53:04,002 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:53:04,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 07:53:04,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:53:04,241 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 07:53:04,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 180 treesize of output 197 [2022-12-14 07:53:04,642 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2820 for LOIs [2022-12-14 07:53:07,624 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 94 for LOIs [2022-12-14 07:53:07,837 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 80 for LOIs [2022-12-14 07:53:07,855 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2869 for LOIs [2022-12-14 07:54:42,489 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-12-14 07:54:48,402 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-12-14 07:54:48,405 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 70 for LOIs [2022-12-14 07:54:48,497 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 64 for LOIs [2022-12-14 07:54:48,506 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:56:38,030 WARN L233 SmtUtils]: Spent 1.81m on a formula simplification. DAG size of input: 2815 DAG size of output: 2431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:58:33,573 WARN L233 SmtUtils]: Spent 1.91m on a formula simplification. DAG size of input: 2820 DAG size of output: 2436 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:01:02,976 WARN L233 SmtUtils]: Spent 2.47m on a formula simplification. DAG size of input: 2862 DAG size of output: 2478 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 08:03:36,512 WARN L233 SmtUtils]: Spent 2.54m on a formula simplification. DAG size of input: 2855 DAG size of output: 2462 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)