./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/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_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/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_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/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 f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58 --- 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 09:19:06,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:19:06,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:19:06,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:19:06,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:19:06,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:19:06,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:19:06,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:19:06,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:19:06,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:19:06,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:19:06,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:19:06,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:19:06,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:19:06,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:19:06,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:19:06,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:19:06,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:19:06,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:19:06,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:19:06,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:19:06,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:19:06,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:19:06,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:19:06,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:19:06,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:19:06,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:19:06,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:19:06,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:19:06,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:19:06,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:19:06,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:19:06,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:19:06,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:19:06,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:19:06,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:19:06,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:19:06,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:19:06,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:19:06,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:19:06,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:19:06,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:19:06,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:19:06,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:19:06,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:19:06,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:19:06,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:19:06,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:19:06,523 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:19:06,523 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:19:06,523 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:19:06,523 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:19:06,526 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:19:06,527 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:19:06,527 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:19:06,527 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:19:06,527 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:19:06,527 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:19:06,527 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:19:06,527 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:19:06,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:19:06,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:19:06,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:19:06,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:19:06,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:19:06,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:19:06,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:19:06,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:19:06,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:19:06,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:19:06,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:19:06,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:19:06,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:19:06,529 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:19:06,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:19:06,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:19:06,530 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:19:06,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:19:06,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:19:06,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:19:06,530 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_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4db5fb03820aea666082345ea177387bf1c218ce33dad19402cb646ed5abf58 [2022-12-14 09:19:06,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:19:06,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:19:06,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:19:06,711 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:19:06,711 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:19:06,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2022-12-14 09:19:09,298 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:19:09,638 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:19:09,639 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2022-12-14 09:19:09,662 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/data/61c088982/603536c44ec14016b24cc3c7aa60db06/FLAG0932afce5 [2022-12-14 09:19:09,677 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/data/61c088982/603536c44ec14016b24cc3c7aa60db06 [2022-12-14 09:19:09,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:19:09,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:19:09,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:19:09,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:19:09,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:19:09,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:19:09" (1/1) ... [2022-12-14 09:19:09,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d47019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:09, skipping insertion in model container [2022-12-14 09:19:09,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:19:09" (1/1) ... [2022-12-14 09:19:09,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:19:09,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:19:09,982 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_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i[4505,4518] [2022-12-14 09:19:09,990 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_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i[4565,4578] [2022-12-14 09:19:10,617 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 09:19:10,652 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:10,669 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:10,674 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:10,674 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:10,675 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:10,675 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:10,676 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:10,679 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:10,685 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:10,685 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:10,687 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:10,687 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:10,739 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:19:10,739 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:19:10,740 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:19:10,743 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 09:19:10,745 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 09:19:10,745 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 09:19:10,838 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:10,931 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 09:19:10,931 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 09:19:10,932 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 09:19:10,933 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 09:19:10,934 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 09:19:10,934 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 09:19:10,935 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 09:19:10,935 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 09:19:10,936 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 09:19:10,936 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 09:19:10,937 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 09:19:11,051 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:11,052 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:11,053 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,054 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,071 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:11,086 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:19:11,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:19:11,114 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:19:11,124 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_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i[4505,4518] [2022-12-14 09:19:11,125 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_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i[4565,4578] [2022-12-14 09:19:11,148 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 09:19:11,151 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:11,155 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:11,158 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,158 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,158 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,159 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,159 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,161 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:11,164 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,164 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,165 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,165 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,169 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:19:11,170 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:19:11,170 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:19:11,172 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 09:19:11,173 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 09:19:11,173 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 09:19:11,175 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:11,188 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 09:19:11,188 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 09:19:11,189 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 09:19:11,190 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 09:19:11,190 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 09:19:11,191 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 09:19:11,191 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 09:19:11,191 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 09:19:11,192 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 09:19:11,192 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 09:19:11,192 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 09:19:11,212 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:11,213 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:11,213 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,213 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:19:11,218 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:19:11,227 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:19:11,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:19:11,368 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:19:11,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11 WrapperNode [2022-12-14 09:19:11,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:19:11,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:19:11,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:19:11,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:19:11,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11" (1/1) ... [2022-12-14 09:19:11,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11" (1/1) ... [2022-12-14 09:19:11,449 INFO L138 Inliner]: procedures = 689, calls = 1516, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 741 [2022-12-14 09:19:11,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:19:11,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:19:11,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:19:11,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:19:11,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11" (1/1) ... [2022-12-14 09:19:11,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11" (1/1) ... [2022-12-14 09:19:11,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11" (1/1) ... [2022-12-14 09:19:11,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11" (1/1) ... [2022-12-14 09:19:11,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11" (1/1) ... [2022-12-14 09:19:11,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11" (1/1) ... [2022-12-14 09:19:11,487 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11" (1/1) ... [2022-12-14 09:19:11,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11" (1/1) ... [2022-12-14 09:19:11,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:19:11,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:19:11,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:19:11,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:19:11,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11" (1/1) ... [2022-12-14 09:19:11,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:19:11,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:19:11,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:19:11,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:19:11,554 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-12-14 09:19:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-12-14 09:19:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:19:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 09:19:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 09:19:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 09:19:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 09:19:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-12-14 09:19:11,555 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-12-14 09:19:11,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:19:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 09:19:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 09:19:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 09:19:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 09:19:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:19:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:19:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:19:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:19:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 09:19:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 09:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-12-14 09:19:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-12-14 09:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 09:19:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 09:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 09:19:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 09:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-12-14 09:19:11,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-12-14 09:19:11,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 09:19:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 09:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 09:19:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 09:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 09:19:11,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 09:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:19:11,558 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2022-12-14 09:19:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2022-12-14 09:19:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2022-12-14 09:19:11,559 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2022-12-14 09:19:11,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:19:11,784 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:19:11,785 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:19:12,452 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:19:12,603 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:19:12,603 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 09:19:12,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:19:12 BoogieIcfgContainer [2022-12-14 09:19:12,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:19:12,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:19:12,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:19:12,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:19:12,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:19:09" (1/3) ... [2022-12-14 09:19:12,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f778580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:19:12, skipping insertion in model container [2022-12-14 09:19:12,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:19:11" (2/3) ... [2022-12-14 09:19:12,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f778580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:19:12, skipping insertion in model container [2022-12-14 09:19:12,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:19:12" (3/3) ... [2022-12-14 09:19:12,612 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness-1.i [2022-12-14 09:19:12,626 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:19:12,626 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:19:12,670 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:19:12,675 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;@4d851880, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:19:12,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:19:12,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 90 states have internal predecessors, (110), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2022-12-14 09:19:12,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-14 09:19:12,688 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:19:12,688 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:19:12,689 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:19:12,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:19:12,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1198048743, now seen corresponding path program 1 times [2022-12-14 09:19:12,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:19:12,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13076341] [2022-12-14 09:19:12,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:19:12,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:19:12,958 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:19:12,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [636783721] [2022-12-14 09:19:12,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:19:12,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:19:12,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:19:12,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:19:12,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:19:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:19:13,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 09:19:13,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:19:13,371 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-14 09:19:13,371 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:19:13,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:19:13,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13076341] [2022-12-14 09:19:13,372 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:19:13,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636783721] [2022-12-14 09:19:13,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636783721] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:19:13,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:19:13,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:19:13,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592169702] [2022-12-14 09:19:13,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:19:13,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 09:19:13,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:19:13,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 09:19:13,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:19:13,413 INFO L87 Difference]: Start difference. First operand has 162 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 90 states have internal predecessors, (110), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 09:19:13,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:19:13,611 INFO L93 Difference]: Finished difference Result 305 states and 427 transitions. [2022-12-14 09:19:13,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 09:19:13,613 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 82 [2022-12-14 09:19:13,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:19:13,620 INFO L225 Difference]: With dead ends: 305 [2022-12-14 09:19:13,620 INFO L226 Difference]: Without dead ends: 158 [2022-12-14 09:19:13,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:19:13,625 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:19:13,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 193 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 09:19:13,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-12-14 09:19:13,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2022-12-14 09:19:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 85 states have (on average 1.2) internal successors, (102), 87 states have internal predecessors, (102), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-12-14 09:19:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 212 transitions. [2022-12-14 09:19:13,663 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 212 transitions. Word has length 82 [2022-12-14 09:19:13,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:19:13,664 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 212 transitions. [2022-12-14 09:19:13,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 09:19:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 212 transitions. [2022-12-14 09:19:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 09:19:13,667 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:19:13,667 INFO L195 NwaCegarLoop]: trace histogram [12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:19:13,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:19:13,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:19:13,869 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:19:13,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:19:13,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1085532984, now seen corresponding path program 1 times [2022-12-14 09:19:13,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:19:13,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519449144] [2022-12-14 09:19:13,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:19:13,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:19:14,034 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:19:14,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733009896] [2022-12-14 09:19:14,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:19:14,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:19:14,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:19:14,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:19:14,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:19:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:19:14,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 2359 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 09:19:14,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:19:14,486 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-12-14 09:19:14,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:19:14,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:19:14,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519449144] [2022-12-14 09:19:14,486 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:19:14,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733009896] [2022-12-14 09:19:14,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733009896] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:19:14,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:19:14,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 09:19:14,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579065457] [2022-12-14 09:19:14,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:19:14,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:19:14,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:19:14,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:19:14,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:19:14,489 INFO L87 Difference]: Start difference. First operand 158 states and 212 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-12-14 09:19:14,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:19:14,833 INFO L93 Difference]: Finished difference Result 300 states and 397 transitions. [2022-12-14 09:19:14,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:19:14,834 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 108 [2022-12-14 09:19:14,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:19:14,837 INFO L225 Difference]: With dead ends: 300 [2022-12-14 09:19:14,837 INFO L226 Difference]: Without dead ends: 158 [2022-12-14 09:19:14,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 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 09:19:14,839 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 8 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:19:14,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 902 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 09:19:14,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-12-14 09:19:14,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2022-12-14 09:19:14,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 85 states have (on average 1.188235294117647) internal successors, (101), 87 states have internal predecessors, (101), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-12-14 09:19:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 211 transitions. [2022-12-14 09:19:14,849 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 211 transitions. Word has length 108 [2022-12-14 09:19:14,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:19:14,850 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 211 transitions. [2022-12-14 09:19:14,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-12-14 09:19:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 211 transitions. [2022-12-14 09:19:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 09:19:14,851 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:19:14,852 INFO L195 NwaCegarLoop]: trace histogram [12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:19:14,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 09:19:15,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:19:15,054 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:19:15,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:19:15,056 INFO L85 PathProgramCache]: Analyzing trace with hash -133203098, now seen corresponding path program 1 times [2022-12-14 09:19:15,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:19:15,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994750175] [2022-12-14 09:19:15,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:19:15,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:19:15,167 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:19:15,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2052271800] [2022-12-14 09:19:15,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:19:15,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:19:15,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:19:15,169 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:19:15,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 09:19:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:19:15,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 2373 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 09:19:15,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:19:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-14 09:19:15,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:19:15,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:19:15,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994750175] [2022-12-14 09:19:15,569 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:19:15,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052271800] [2022-12-14 09:19:15,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052271800] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:19:15,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:19:15,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:19:15,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755174869] [2022-12-14 09:19:15,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:19:15,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:19:15,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:19:15,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:19:15,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:19:15,571 INFO L87 Difference]: Start difference. First operand 158 states and 211 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 09:19:15,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:19:15,791 INFO L93 Difference]: Finished difference Result 297 states and 395 transitions. [2022-12-14 09:19:15,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:19:15,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 110 [2022-12-14 09:19:15,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:19:15,793 INFO L225 Difference]: With dead ends: 297 [2022-12-14 09:19:15,793 INFO L226 Difference]: Without dead ends: 159 [2022-12-14 09:19:15,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:19:15,795 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:19:15,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 373 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 09:19:15,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-12-14 09:19:15,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2022-12-14 09:19:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 86 states have (on average 1.186046511627907) internal successors, (102), 88 states have internal predecessors, (102), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-12-14 09:19:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 212 transitions. [2022-12-14 09:19:15,811 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 212 transitions. Word has length 110 [2022-12-14 09:19:15,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:19:15,812 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 212 transitions. [2022-12-14 09:19:15,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 09:19:15,812 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 212 transitions. [2022-12-14 09:19:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-12-14 09:19:15,814 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:19:15,814 INFO L195 NwaCegarLoop]: trace histogram [12, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:19:15,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 09:19:16,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:19:16,015 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:19:16,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:19:16,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1522359712, now seen corresponding path program 1 times [2022-12-14 09:19:16,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:19:16,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305731873] [2022-12-14 09:19:16,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:19:16,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:19:16,094 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:19:16,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [52331240] [2022-12-14 09:19:16,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:19:16,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:19:16,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:19:16,095 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:19:16,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e513fdb5-55bd-45f9-a8d5-5095f62d6dc1/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:19:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:19:16,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 2411 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 09:19:16,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:19:16,721 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 88 proven. 1 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 09:19:16,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:19:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-12-14 09:19:16,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:19:16,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305731873] [2022-12-14 09:19:16,986 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:19:16,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52331240] [2022-12-14 09:19:16,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52331240] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:19:16,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1078103364] [2022-12-14 09:19:17,003 INFO L159 IcfgInterpreter]: Started Sifa with 68 locations of interest [2022-12-14 09:19:17,003 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:19:17,006 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:19:17,010 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:19:17,010 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:19:19,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:19,592 INFO L217 Elim1Store]: Index analysis took 297 ms [2022-12-14 09:19:39,514 WARN L233 SmtUtils]: Spent 19.85s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 09:19:39,518 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-12-14 09:19:39,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-12-14 09:19:42,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:19:42,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19307 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 987 treesize of output 1574 [2022-12-14 09:21:07,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:07,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:07,543 INFO L217 Elim1Store]: Index analysis took 262 ms [2022-12-14 09:21:18,612 WARN L233 SmtUtils]: Spent 11.03s on a formula simplification. DAG size of input: 1767 DAG size of output: 1179 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 09:21:18,615 INFO L321 Elim1Store]: treesize reduction 1960, result has 47.4 percent of original size [2022-12-14 09:21:18,617 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2366 [2022-12-14 09:21:23,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:23,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:23,781 INFO L217 Elim1Store]: Index analysis took 516 ms [2022-12-14 09:21:43,488 WARN L233 SmtUtils]: Spent 19.68s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 09:21:43,491 INFO L321 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2022-12-14 09:21:43,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2022-12-14 09:23:25,368 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 09:23:25,371 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 09:23:25,398 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 09:23:25,403 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 09:23:25,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:23:25,411 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 09:23:29,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:29,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-12-14 09:23:30,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:30,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:30,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:30,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:30,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:30,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:30,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:30,374 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-12-14 09:23:30,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 09:23:31,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:31,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:31,066 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 09:23:31,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:31,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:31,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-12-14 09:23:32,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:32,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:32,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:32,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:32,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:32,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:32,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 09:23:49,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:49,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:49,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-12-14 09:23:50,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 09:23:50,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:50,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 09:23:51,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-12-14 09:23:51,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:51,801 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 09:24:02,756 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 09:24:02,761 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 8 treesize of output 7 [2022-12-14 09:24:03,669 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 09:24:03,735 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 09:24:06,493 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 09:24:06,558 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 09:24:32,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:24:33,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:24:33,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 198 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 38 [2022-12-14 09:24:33,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:24:33,505 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 09:24:35,439 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 45 treesize of output 41 [2022-12-14 09:24:35,445 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 57 treesize of output 1 [2022-12-14 09:24:35,451 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 57 treesize of output 1 [2022-12-14 09:24:35,457 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 57 treesize of output 1 [2022-12-14 09:24:35,472 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 57 treesize of output 1 [2022-12-14 09:24:35,476 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 57 treesize of output 1 [2022-12-14 09:24:35,504 INFO L321 Elim1Store]: treesize reduction 127, result has 18.1 percent of original size [2022-12-14 09:24:35,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 205 treesize of output 204 [2022-12-14 09:24:35,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-12-14 09:24:35,531 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 57 treesize of output 1 [2022-12-14 09:24:35,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-12-14 09:24:35,537 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 57 treesize of output 1 [2022-12-14 09:24:35,541 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 45 treesize of output 41 [2022-12-14 09:24:36,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 09:24:36,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-12-14 09:24:36,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 09:24:39,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-12-14 09:24:40,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 09:24:40,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 09:25:10,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:10,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 09:25:10,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:10,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 17 [2022-12-14 09:25:12,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:12,807 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 15 treesize of output 11 [2022-12-14 09:25:12,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:12,993 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 09:25:16,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:16,120 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 15 treesize of output 11 [2022-12-14 09:25:16,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:16,245 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 09:25:32,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:32,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 20 treesize of output 9 [2022-12-14 09:25:32,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:32,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 17 [2022-12-14 09:25:32,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:32,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 17 [2022-12-14 09:25:33,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:33,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:33,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:25:33,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 27 [2022-12-14 09:26:46,273 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2808 for LOIs [2022-12-14 09:26:52,152 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 62 for LOIs [2022-12-14 09:26:52,182 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 3731 for LOIs [2022-12-14 09:28:57,424 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 09:28:57,430 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 09:28:57,437 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 09:28:57,445 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 09:29:31,179 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 3692 for LOIs [2022-12-14 09:29:46,604 INFO L197 IcfgInterpreter]: Interpreting procedure my_memset with input of size 1230 for LOIs [2022-12-14 09:30:05,076 INFO L197 IcfgInterpreter]: Interpreting procedure memset_impl with input of size 1230 for LOIs [2022-12-14 09:30:24,443 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 57 treesize of output 1 [2022-12-14 09:30:24,452 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 57 treesize of output 1 [2022-12-14 09:30:24,468 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 45 treesize of output 41 [2022-12-14 09:30:24,477 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 57 treesize of output 1 [2022-12-14 09:30:24,515 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 57 treesize of output 1 [2022-12-14 09:30:24,526 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 57 treesize of output 1 [2022-12-14 09:30:24,544 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 45 treesize of output 41 [2022-12-14 09:30:24,554 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 57 treesize of output 1 [2022-12-14 09:30:30,157 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 681 for LOIs [2022-12-14 09:30:33,819 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 71 for LOIs [2022-12-14 09:30:33,826 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_size_t with input of size 70 for LOIs [2022-12-14 09:30:33,833 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:32:20,234 WARN L233 SmtUtils]: Spent 1.76m on a formula simplification. DAG size of input: 2808 DAG size of output: 2420 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:32:46,100 WARN L233 SmtUtils]: Spent 25.09s on a formula simplification that was a NOOP. DAG size: 2808 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:33:12,868 WARN L233 SmtUtils]: Spent 25.90s on a formula simplification that was a NOOP. DAG size: 2812 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)