./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur --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 b8e2b19500a9ff32f182f41fca1db48d6268985503aaacd0cb9efdaafa7d6419 --- 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-38b53e6 [2022-11-25 22:38:31,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:38:31,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:38:31,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:38:31,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:38:31,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:38:31,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:38:31,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:38:31,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:38:31,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:38:31,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:38:31,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:38:31,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:38:31,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:38:31,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:38:31,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:38:31,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:38:31,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:38:31,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:38:31,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:38:31,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:38:31,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:38:31,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:38:31,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:38:31,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:38:31,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:38:31,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:38:31,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:38:31,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:38:31,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:38:31,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:38:31,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:38:31,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:38:31,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:38:31,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:38:31,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:38:31,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:38:31,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:38:31,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:38:31,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:38:31,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:38:31,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:38:31,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:38:31,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:38:31,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:38:31,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:38:31,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:38:31,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:38:31,468 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:38:31,468 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:38:31,468 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:38:31,468 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:38:31,469 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:38:31,469 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:38:31,469 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:38:31,469 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:38:31,469 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:38:31,470 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:38:31,470 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:38:31,470 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:38:31,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:38:31,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:38:31,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:38:31,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:38:31,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:38:31,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:38:31,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:38:31,473 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:38:31,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:38:31,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:38:31,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:38:31,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:38:31,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:38:31,474 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:38:31,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:38:31,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:38:31,475 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:38:31,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:38:31,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:38:31,476 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:38:31,476 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_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8e2b19500a9ff32f182f41fca1db48d6268985503aaacd0cb9efdaafa7d6419 [2022-11-25 22:38:31,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:38:31,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:38:31,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:38:31,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:38:31,771 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:38:31,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2022-11-25 22:38:34,755 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:38:35,307 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:38:35,308 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2022-11-25 22:38:35,344 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/data/c1b707aa2/7090feb988864c9583ad7f88c8820676/FLAG427e219bf [2022-11-25 22:38:35,359 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/data/c1b707aa2/7090feb988864c9583ad7f88c8820676 [2022-11-25 22:38:35,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:38:35,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:38:35,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:38:35,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:38:35,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:38:35,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:38:35" (1/1) ... [2022-11-25 22:38:35,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77280ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:35, skipping insertion in model container [2022-11-25 22:38:35,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:38:35" (1/1) ... [2022-11-25 22:38:35,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:38:35,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:38:35,845 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_fae398d5-bb28-4eb5-9bdc-9ba026759d23/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2022-11-25 22:38:35,853 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_fae398d5-bb28-4eb5-9bdc-9ba026759d23/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2022-11-25 22:38:36,732 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 22:38:36,784 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:36,797 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:36,804 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:36,805 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:36,805 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:36,806 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:36,808 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:36,813 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:36,822 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:36,822 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:36,824 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:36,825 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:36,896 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:38:36,897 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:38:36,898 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:38:36,903 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 22:38:36,905 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 22:38:36,905 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 22:38:37,044 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:37,186 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:38:37,189 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 22:38:37,190 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 22:38:37,192 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 22:38:37,196 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 22:38:37,204 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 22:38:37,204 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 22:38:37,205 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 22:38:37,206 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 22:38:37,208 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 22:38:37,209 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 22:38:37,357 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:37,359 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:37,360 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,361 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,384 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:37,407 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 22:38:37,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:38:37,441 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:38:37,455 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_fae398d5-bb28-4eb5-9bdc-9ba026759d23/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2022-11-25 22:38:37,455 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_fae398d5-bb28-4eb5-9bdc-9ba026759d23/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2022-11-25 22:38:37,499 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 22:38:37,505 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:37,524 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:37,528 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,529 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,529 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,538 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,539 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,542 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:37,547 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,554 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,559 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,561 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,573 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:38:37,576 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:38:37,577 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 22:38:37,581 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 22:38:37,585 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 22:38:37,586 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 22:38:37,589 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:37,610 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 22:38:37,611 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 22:38:37,612 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 22:38:37,613 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 22:38:37,614 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 22:38:37,615 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 22:38:37,616 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 22:38:37,616 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 22:38:37,617 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 22:38:37,617 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 22:38:37,618 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 22:38:37,646 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:37,648 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:37,649 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,650 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 22:38:37,656 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-11-25 22:38:37,674 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 22:38:37,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:38:37,922 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:38:37,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37 WrapperNode [2022-11-25 22:38:37,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:38:37,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:38:37,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:38:37,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:38:37,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37" (1/1) ... [2022-11-25 22:38:38,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37" (1/1) ... [2022-11-25 22:38:38,087 INFO L138 Inliner]: procedures = 689, calls = 1535, calls flagged for inlining = 55, calls inlined = 11, statements flattened = 691 [2022-11-25 22:38:38,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:38:38,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:38:38,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:38:38,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:38:38,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37" (1/1) ... [2022-11-25 22:38:38,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37" (1/1) ... [2022-11-25 22:38:38,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37" (1/1) ... [2022-11-25 22:38:38,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37" (1/1) ... [2022-11-25 22:38:38,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37" (1/1) ... [2022-11-25 22:38:38,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37" (1/1) ... [2022-11-25 22:38:38,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37" (1/1) ... [2022-11-25 22:38:38,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37" (1/1) ... [2022-11-25 22:38:38,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:38:38,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:38:38,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:38:38,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:38:38,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37" (1/1) ... [2022-11-25 22:38:38,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:38:38,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:38,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:38:38,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:38:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-25 22:38:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-25 22:38:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:38:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-25 22:38:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-25 22:38:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-25 22:38:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-25 22:38:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-25 22:38:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-25 22:38:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:38:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-25 22:38:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-25 22:38:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 22:38:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 22:38:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:38:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:38:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-25 22:38:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-25 22:38:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:38:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:38:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:38:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 22:38:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 22:38:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-25 22:38:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-25 22:38:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-25 22:38:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-25 22:38:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-25 22:38:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-25 22:38:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 22:38:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 22:38:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:38:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:38:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:38:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-25 22:38:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-25 22:38:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-25 22:38:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-25 22:38:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:38:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2022-11-25 22:38:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2022-11-25 22:38:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-25 22:38:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-25 22:38:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:38:38,723 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:38:38,725 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:38:39,880 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:38:40,133 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:38:40,134 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 22:38:40,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:38:40 BoogieIcfgContainer [2022-11-25 22:38:40,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:38:40,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:38:40,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:38:40,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:38:40,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:38:35" (1/3) ... [2022-11-25 22:38:40,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebbd6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:38:40, skipping insertion in model container [2022-11-25 22:38:40,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:38:37" (2/3) ... [2022-11-25 22:38:40,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebbd6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:38:40, skipping insertion in model container [2022-11-25 22:38:40,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:38:40" (3/3) ... [2022-11-25 22:38:40,151 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_capacity_harness.i [2022-11-25 22:38:40,170 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:38:40,171 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:38:40,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:38:40,245 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;@2e15e365, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:38:40,246 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:38:40,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 76 states have (on average 1.1973684210526316) internal successors, (91), 77 states have internal predecessors, (91), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-11-25 22:38:40,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-25 22:38:40,266 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:40,266 INFO L195 NwaCegarLoop]: trace histogram [7, 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] [2022-11-25 22:38:40,267 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:38:40,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:40,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2033814116, now seen corresponding path program 1 times [2022-11-25 22:38:40,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:40,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814632888] [2022-11-25 22:38:40,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:40,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:40,788 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:38:40,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [576168745] [2022-11-25 22:38:40,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:40,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:40,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:40,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:38:40,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:38:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:41,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 22:38:41,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:38:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-25 22:38:41,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:38:41,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:41,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814632888] [2022-11-25 22:38:41,597 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:38:41,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576168745] [2022-11-25 22:38:41,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576168745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:41,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:41,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:38:41,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228869609] [2022-11-25 22:38:41,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:41,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:38:41,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:41,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:38:41,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:38:41,639 INFO L87 Difference]: Start difference. First operand has 134 states, 76 states have (on average 1.1973684210526316) internal successors, (91), 77 states have internal predecessors, (91), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 22:38:42,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:42,097 INFO L93 Difference]: Finished difference Result 234 states and 312 transitions. [2022-11-25 22:38:42,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:38:42,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 87 [2022-11-25 22:38:42,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:42,108 INFO L225 Difference]: With dead ends: 234 [2022-11-25 22:38:42,109 INFO L226 Difference]: Without dead ends: 132 [2022-11-25 22:38:42,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:38:42,115 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 22 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:42,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 507 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 22:38:42,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-25 22:38:42,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-11-25 22:38:42,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 75 states have (on average 1.1733333333333333) internal successors, (88), 76 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-11-25 22:38:42,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 167 transitions. [2022-11-25 22:38:42,166 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 167 transitions. Word has length 87 [2022-11-25 22:38:42,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:42,167 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 167 transitions. [2022-11-25 22:38:42,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-25 22:38:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 167 transitions. [2022-11-25 22:38:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-25 22:38:42,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:42,172 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 3, 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] [2022-11-25 22:38:42,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:42,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 22:38:42,383 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:38:42,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:42,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1232881202, now seen corresponding path program 1 times [2022-11-25 22:38:42,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:42,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655173478] [2022-11-25 22:38:42,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:42,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:42,487 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:38:42,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1580489579] [2022-11-25 22:38:42,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:42,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:42,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:42,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:38:42,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:38:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:43,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 22:38:43,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:38:43,180 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-25 22:38:43,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:38:43,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:43,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655173478] [2022-11-25 22:38:43,180 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:38:43,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580489579] [2022-11-25 22:38:43,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580489579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:43,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:43,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 22:38:43,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538299858] [2022-11-25 22:38:43,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:43,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 22:38:43,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:43,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 22:38:43,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:38:43,185 INFO L87 Difference]: Start difference. First operand 132 states and 167 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-25 22:38:43,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:43,817 INFO L93 Difference]: Finished difference Result 241 states and 311 transitions. [2022-11-25 22:38:43,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:38:43,820 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 95 [2022-11-25 22:38:43,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:43,823 INFO L225 Difference]: With dead ends: 241 [2022-11-25 22:38:43,824 INFO L226 Difference]: Without dead ends: 134 [2022-11-25 22:38:43,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 22:38:43,826 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 35 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:43,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 757 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 22:38:43,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-25 22:38:43,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-11-25 22:38:43,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1710526315789473) internal successors, (89), 78 states have internal predecessors, (89), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2022-11-25 22:38:43,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 171 transitions. [2022-11-25 22:38:43,862 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 171 transitions. Word has length 95 [2022-11-25 22:38:43,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:43,862 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 171 transitions. [2022-11-25 22:38:43,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-25 22:38:43,863 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 171 transitions. [2022-11-25 22:38:43,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-25 22:38:43,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:43,866 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:43,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:44,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:44,083 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:38:44,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:44,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1939190100, now seen corresponding path program 1 times [2022-11-25 22:38:44,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:44,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721581770] [2022-11-25 22:38:44,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:44,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:44,186 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:38:44,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [909079774] [2022-11-25 22:38:44,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:44,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:44,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:44,188 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:38:44,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:38:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:44,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 2448 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 22:38:44,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:38:44,879 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-25 22:38:44,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:38:44,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:44,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721581770] [2022-11-25 22:38:44,880 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:38:44,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909079774] [2022-11-25 22:38:44,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909079774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:44,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:44,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:38:44,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734008402] [2022-11-25 22:38:44,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:44,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:38:44,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:44,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:38:44,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:38:44,886 INFO L87 Difference]: Start difference. First operand 134 states and 171 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2022-11-25 22:38:45,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:45,302 INFO L93 Difference]: Finished difference Result 235 states and 301 transitions. [2022-11-25 22:38:45,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:38:45,302 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 104 [2022-11-25 22:38:45,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:45,305 INFO L225 Difference]: With dead ends: 235 [2022-11-25 22:38:45,305 INFO L226 Difference]: Without dead ends: 134 [2022-11-25 22:38:45,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:38:45,307 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 32 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:45,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 612 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 22:38:45,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-25 22:38:45,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-11-25 22:38:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2022-11-25 22:38:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 170 transitions. [2022-11-25 22:38:45,334 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 170 transitions. Word has length 104 [2022-11-25 22:38:45,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:45,336 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 170 transitions. [2022-11-25 22:38:45,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2022-11-25 22:38:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2022-11-25 22:38:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-25 22:38:45,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:45,348 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 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, 1, 1, 1] [2022-11-25 22:38:45,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:45,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-25 22:38:45,549 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:38:45,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:45,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1703128983, now seen corresponding path program 1 times [2022-11-25 22:38:45,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:45,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063020649] [2022-11-25 22:38:45,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:45,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:45,665 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:38:45,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1577892472] [2022-11-25 22:38:45,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:45,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:45,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:45,667 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:38:45,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 22:38:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:46,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 2502 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 22:38:46,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:38:46,381 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-25 22:38:46,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:38:46,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:46,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063020649] [2022-11-25 22:38:46,382 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:38:46,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577892472] [2022-11-25 22:38:46,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577892472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:46,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:46,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 22:38:46,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796435568] [2022-11-25 22:38:46,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:46,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 22:38:46,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:46,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 22:38:46,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:38:46,385 INFO L87 Difference]: Start difference. First operand 134 states and 170 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2022-11-25 22:38:46,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:46,943 INFO L93 Difference]: Finished difference Result 240 states and 306 transitions. [2022-11-25 22:38:46,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 22:38:46,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 112 [2022-11-25 22:38:46,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:46,945 INFO L225 Difference]: With dead ends: 240 [2022-11-25 22:38:46,945 INFO L226 Difference]: Without dead ends: 134 [2022-11-25 22:38:46,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-25 22:38:46,947 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 46 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:46,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 833 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 22:38:46,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-25 22:38:46,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-11-25 22:38:46,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (41), 39 states have call predecessors, (41), 39 states have call successors, (41) [2022-11-25 22:38:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 169 transitions. [2022-11-25 22:38:46,960 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 169 transitions. Word has length 112 [2022-11-25 22:38:46,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:46,960 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 169 transitions. [2022-11-25 22:38:46,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2022-11-25 22:38:46,961 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 169 transitions. [2022-11-25 22:38:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-25 22:38:46,969 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:46,969 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-25 22:38:46,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:47,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:47,179 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:38:47,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:47,180 INFO L85 PathProgramCache]: Analyzing trace with hash -230160901, now seen corresponding path program 2 times [2022-11-25 22:38:47,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:47,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77693647] [2022-11-25 22:38:47,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:47,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:47,311 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:38:47,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2045669942] [2022-11-25 22:38:47,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 22:38:47,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:47,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:47,316 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:38:47,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 22:38:48,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-25 22:38:48,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:38:48,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 22:38:48,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:38:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-25 22:38:48,376 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:38:48,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:48,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77693647] [2022-11-25 22:38:48,377 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:38:48,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045669942] [2022-11-25 22:38:48,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045669942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:48,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:48,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:38:48,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991666068] [2022-11-25 22:38:48,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:48,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:38:48,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:48,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:38:48,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:38:48,380 INFO L87 Difference]: Start difference. First operand 134 states and 169 transitions. Second operand has 5 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:38:48,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:48,722 INFO L93 Difference]: Finished difference Result 213 states and 267 transitions. [2022-11-25 22:38:48,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:38:48,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 121 [2022-11-25 22:38:48,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:48,725 INFO L225 Difference]: With dead ends: 213 [2022-11-25 22:38:48,725 INFO L226 Difference]: Without dead ends: 134 [2022-11-25 22:38:48,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:38:48,726 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:48,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 545 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 22:38:48,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-25 22:38:48,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-11-25 22:38:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (40), 39 states have call predecessors, (40), 39 states have call successors, (40) [2022-11-25 22:38:48,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 168 transitions. [2022-11-25 22:38:48,738 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 168 transitions. Word has length 121 [2022-11-25 22:38:48,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:48,739 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 168 transitions. [2022-11-25 22:38:48,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:38:48,739 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 168 transitions. [2022-11-25 22:38:48,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-25 22:38:48,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:48,741 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:48,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:48,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:48,956 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:38:48,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:48,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1030261011, now seen corresponding path program 3 times [2022-11-25 22:38:48,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:48,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309091507] [2022-11-25 22:38:48,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:48,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:49,061 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:38:49,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937961493] [2022-11-25 22:38:49,062 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 22:38:49,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:49,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:49,064 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:38:49,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 22:38:49,725 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 22:38:49,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 22:38:49,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 2766 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 22:38:49,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:38:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-25 22:38:49,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:38:49,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:49,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309091507] [2022-11-25 22:38:49,880 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:38:49,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937961493] [2022-11-25 22:38:49,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937961493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:49,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:49,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:38:49,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878843708] [2022-11-25 22:38:49,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:49,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:38:49,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:49,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:38:49,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:38:49,882 INFO L87 Difference]: Start difference. First operand 134 states and 168 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:38:50,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:50,326 INFO L93 Difference]: Finished difference Result 210 states and 260 transitions. [2022-11-25 22:38:50,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:38:50,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 130 [2022-11-25 22:38:50,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:50,332 INFO L225 Difference]: With dead ends: 210 [2022-11-25 22:38:50,332 INFO L226 Difference]: Without dead ends: 132 [2022-11-25 22:38:50,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:38:50,333 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 14 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:50,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 613 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 22:38:50,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-25 22:38:50,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-11-25 22:38:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 75 states have (on average 1.1466666666666667) internal successors, (86), 76 states have internal predecessors, (86), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-11-25 22:38:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 165 transitions. [2022-11-25 22:38:50,349 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 165 transitions. Word has length 130 [2022-11-25 22:38:50,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:50,351 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 165 transitions. [2022-11-25 22:38:50,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:38:50,352 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 165 transitions. [2022-11-25 22:38:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-25 22:38:50,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:50,354 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-25 22:38:50,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 22:38:50,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:50,563 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:38:50,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:50,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1200556263, now seen corresponding path program 1 times [2022-11-25 22:38:50,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:50,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340418193] [2022-11-25 22:38:50,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:50,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:50,664 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 22:38:50,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2115322608] [2022-11-25 22:38:50,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:50,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:38:50,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:38:50,666 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:38:50,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae398d5-bb28-4eb5-9bdc-9ba026759d23/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 22:38:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:51,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 2898 conjuncts, 91 conjunts are in the unsatisfiable core [2022-11-25 22:38:51,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:38:52,770 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 22:38:52,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 13 [2022-11-25 22:38:52,785 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 22:38:52,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 20 [2022-11-25 22:38:52,794 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 22:38:52,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 16 [2022-11-25 22:38:52,946 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 84 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-25 22:38:52,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:38:55,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:55,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340418193] [2022-11-25 22:38:55,888 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 22:38:55,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115322608] [2022-11-25 22:38:55,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115322608] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:38:55,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1360663214] [2022-11-25 22:38:55,910 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2022-11-25 22:38:55,911 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:38:55,915 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:38:55,920 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:38:55,921 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:38:59,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:39:00,319 INFO L217 Elim1Store]: Index analysis took 441 ms [2022-11-25 22:39:29,233 WARN L233 SmtUtils]: Spent 28.85s 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) [2022-11-25 22:39:29,239 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-25 22:39:29,243 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 [2022-11-25 22:39:32,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:39:33,066 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 [2022-11-25 22:40:53,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:53,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-25 22:40:53,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:53,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-25 22:40:53,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:53,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:53,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-25 22:40:53,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:40:57,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:57,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:57,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:57,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:57,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:57,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:57,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:57,603 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-25 22:40:57,641 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 [2022-11-25 22:40:58,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:58,251 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-25 22:40:58,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:58,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-25 22:40:59,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-25 22:40:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:40:59,921 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 [2022-11-25 22:41:07,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:07,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:07,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:07,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:07,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:07,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:07,744 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 [2022-11-25 22:41:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:08,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:08,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:08,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:08,292 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 [2022-11-25 22:41:08,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:08,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-25 22:41:09,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-25 22:41:09,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:41:09,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-25 22:41:26,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-25 22:41:26,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-25 22:41:26,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-25 22:41:26,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-25 22:41:26,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-25 22:41:26,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-25 22:41:42,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-25 22:41:42,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-25 22:41:42,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-25 22:41:42,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-25 22:41:42,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-25 22:41:42,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-25 22:41:45,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-11-25 22:41:45,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2175 treesize of output 2154 [2022-11-25 22:41:45,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-11-25 22:41:47,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:42:00,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 22:42:00,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 22:42:00,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 22:42:00,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 22:42:00,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-25 22:42:00,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:42:00,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:42:00,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:42:00,660 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:00,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-25 22:42:00,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:42:00,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:42:00,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:42:00,746 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:00,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-25 22:42:00,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:42:00,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 22:42:00,936 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 27 treesize of output 23 [2022-11-25 22:42:00,940 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 23 treesize of output 19 [2022-11-25 22:42:01,038 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 27 treesize of output 23 [2022-11-25 22:42:01,042 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 23 treesize of output 19 [2022-11-25 22:42:02,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-11-25 22:42:03,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-11-25 22:42:03,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-11-25 22:42:20,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-11-25 22:42:20,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2143 treesize of output 2115 [2022-11-25 22:42:20,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2111 treesize of output 2087 [2022-11-25 22:42:23,920 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 22:42:23,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-25 22:42:23,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-25 22:42:24,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,068 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:24,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-25 22:42:24,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:42:24,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:42:24,112 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:24,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 47 [2022-11-25 22:42:24,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,158 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:24,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-25 22:42:24,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,286 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:24,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-25 22:42:24,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:42:24,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:42:24,333 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:24,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 47 [2022-11-25 22:42:24,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,382 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:24,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-25 22:42:24,495 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 22:42:24,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-25 22:42:24,548 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 22:42:24,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-25 22:42:24,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,683 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:24,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-25 22:42:24,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,717 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:24,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-25 22:42:24,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,758 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:24,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2022-11-25 22:42:24,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,894 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:24,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2022-11-25 22:42:24,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,927 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:24,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-25 22:42:24,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:42:24,958 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:42:24,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-25 22:42:25,423 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 [2022-11-25 22:42:25,443 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 19 treesize of output 13 [2022-11-25 22:42:25,460 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 [2022-11-25 22:42:25,709 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 [2022-11-25 22:42:25,832 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 19 treesize of output 13 [2022-11-25 22:42:25,850 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 [2022-11-25 22:42:26,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-11-25 22:42:26,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-11-25 22:43:24,577 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-11-25 22:43:24,590 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2895 for LOIs [2022-11-25 22:43:40,179 INFO L197 IcfgInterpreter]: Interpreting procedure save_byte_from_array with input of size 208 for LOIs [2022-11-25 22:43:40,411 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 693 for LOIs [2022-11-25 22:43:44,987 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 725 for LOIs [2022-11-25 22:43:46,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 22:43:46,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 22:43:47,635 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1056 treesize of output 1057 [2022-11-25 22:43:47,705 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1051 treesize of output 1054 [2022-11-25 22:43:48,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:43:48,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:43:50,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:43:51,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:43:51,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:51,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:51,195 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:43:51,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-25 22:43:52,770 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1056 treesize of output 1059 [2022-11-25 22:43:52,843 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1053 treesize of output 1054 [2022-11-25 22:43:53,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:43:54,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:43:56,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:43:56,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:43:56,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:56,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:43:56,289 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 22:43:56,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-25 22:43:57,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 22:43:58,069 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1056 treesize of output 1059 [2022-11-25 22:43:58,134 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1053 treesize of output 1054 [2022-11-25 22:43:58,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:43:59,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 22:44:00,356 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 723 for LOIs [2022-11-25 22:44:10,489 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 712 for LOIs [2022-11-25 22:44:11,444 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2963 for LOIs [2022-11-25 22:45:34,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:45:34,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 22:45:34,450 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 [2022-11-25 22:45:34,457 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 11 treesize of output 7 [2022-11-25 22:45:56,383 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-11-25 22:45:56,385 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-25 22:45:56,394 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:48:05,858 WARN L233 SmtUtils]: Spent 2.13m on a formula simplification. DAG size of input: 2825 DAG size of output: 2437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)