./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 355537246d5dfb9690a92cc5d0cbf014736bcc62122f38f5559ea0fbf5331d1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:19:35,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:19:35,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:19:35,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:19:35,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:19:35,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:19:35,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:19:35,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:19:35,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:19:35,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:19:35,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:19:35,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:19:35,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:19:35,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:19:35,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:19:35,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:19:35,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:19:35,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:19:35,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:19:35,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:19:35,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:19:35,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:19:35,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:19:35,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:19:35,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:19:35,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:19:35,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:19:35,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:19:35,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:19:35,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:19:35,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:19:35,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:19:35,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:19:35,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:19:35,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:19:35,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:19:35,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:19:35,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:19:35,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:19:35,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:19:35,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:19:35,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 12:19:35,431 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:19:35,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:19:35,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:19:35,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:19:35,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:19:35,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:19:35,432 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:19:35,432 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:19:35,432 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:19:35,432 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:19:35,432 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:19:35,433 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:19:35,433 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:19:35,433 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:19:35,433 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:19:35,433 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:19:35,434 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:19:35,434 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:19:35,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:19:35,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:19:35,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:19:35,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:19:35,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:19:35,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:19:35,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:19:35,435 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:19:35,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:19:35,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:19:35,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:19:35,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:19:35,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:19:35,436 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:19:35,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:19:35,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:19:35,436 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:19:35,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:19:35,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:19:35,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:19:35,436 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_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355537246d5dfb9690a92cc5d0cbf014736bcc62122f38f5559ea0fbf5331d1c [2022-12-14 12:19:35,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:19:35,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:19:35,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:19:35,626 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:19:35,626 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:19:35,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2022-12-14 12:19:38,164 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:19:38,535 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:19:38,535 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2022-12-14 12:19:38,562 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/data/bc8d05637/4f56817cc0804da8bd58b59c9384abbf/FLAG0085830fd [2022-12-14 12:19:38,712 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/data/bc8d05637/4f56817cc0804da8bd58b59c9384abbf [2022-12-14 12:19:38,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:19:38,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:19:38,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:19:38,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:19:38,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:19:38,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:19:38" (1/1) ... [2022-12-14 12:19:38,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31aa59b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:38, skipping insertion in model container [2022-12-14 12:19:38,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:19:38" (1/1) ... [2022-12-14 12:19:38,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:19:38,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:19:38,975 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_261cc932-1111-40d8-b321-acccdc31daf6/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2022-12-14 12:19:38,981 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_261cc932-1111-40d8-b321-acccdc31daf6/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2022-12-14 12:19:39,521 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,525 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,526 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,526 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,527 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,528 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,530 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,537 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,538 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,538 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,540 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,540 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,542 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,542 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,542 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,543 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,543 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,597 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 12:19:39,597 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 12:19:39,598 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 12:19:39,601 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 12:19:39,603 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 12:19:39,603 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 12:19:39,819 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 12:19:39,820 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 12:19:39,821 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 12:19:39,822 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 12:19:39,823 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 12:19:39,824 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 12:19:39,824 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 12:19:39,825 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 12:19:39,825 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 12:19:39,826 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 12:19:39,826 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 12:19:39,939 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 12:19:39,954 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,955 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,959 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,960 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,962 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,963 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,964 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:39,966 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,969 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,969 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,969 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,970 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,970 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,970 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:39,999 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 12:19:40,011 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,012 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,012 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,012 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,013 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,013 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,013 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,014 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 12:19:40,014 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,014 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,015 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,015 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,015 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,015 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,018 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,018 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,018 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,019 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,021 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,022 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,027 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,028 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,028 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:19:40,059 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:19:40,068 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_261cc932-1111-40d8-b321-acccdc31daf6/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2022-12-14 12:19:40,069 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_261cc932-1111-40d8-b321-acccdc31daf6/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2022-12-14 12:19:40,094 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,096 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,097 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,097 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,097 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,098 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,099 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,103 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,103 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,103 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,104 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,104 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,105 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,106 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,106 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,106 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,107 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,112 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 12:19:40,112 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 12:19:40,112 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 12:19:40,115 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 12:19:40,116 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 12:19:40,116 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 12:19:40,169 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 12:19:40,169 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 12:19:40,170 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 12:19:40,171 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 12:19:40,171 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 12:19:40,172 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 12:19:40,173 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 12:19:40,173 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 12:19:40,174 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 12:19:40,174 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 12:19:40,175 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 12:19:40,199 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 12:19:40,212 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,212 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,213 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,214 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,216 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,217 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,218 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,219 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,220 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,220 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,221 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,221 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,222 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,222 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 12:19:40,235 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 12:19:40,239 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,240 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,240 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,241 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,241 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,241 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,241 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,242 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 12:19:40,242 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,242 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,242 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,243 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,243 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,243 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,244 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,244 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,244 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,245 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,247 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,247 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,252 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,253 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,253 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 12:19:40,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:19:40,437 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:19:40,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40 WrapperNode [2022-12-14 12:19:40,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:19:40,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:19:40,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:19:40,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:19:40,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40" (1/1) ... [2022-12-14 12:19:40,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40" (1/1) ... [2022-12-14 12:19:40,557 INFO L138 Inliner]: procedures = 697, calls = 1886, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 918 [2022-12-14 12:19:40,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:19:40,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:19:40,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:19:40,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:19:40,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40" (1/1) ... [2022-12-14 12:19:40,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40" (1/1) ... [2022-12-14 12:19:40,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40" (1/1) ... [2022-12-14 12:19:40,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40" (1/1) ... [2022-12-14 12:19:40,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40" (1/1) ... [2022-12-14 12:19:40,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40" (1/1) ... [2022-12-14 12:19:40,619 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40" (1/1) ... [2022-12-14 12:19:40,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40" (1/1) ... [2022-12-14 12:19:40,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:19:40,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:19:40,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:19:40,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:19:40,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40" (1/1) ... [2022-12-14 12:19:40,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:19:40,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:40,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:19:40,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:19:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_either [2022-12-14 12:19:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_either [2022-12-14 12:19:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-12-14 12:19:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-12-14 12:19:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-12-14 12:19:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-12-14 12:19:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:19:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 12:19:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 12:19:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 12:19:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 12:19:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 12:19:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 12:19:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-12-14 12:19:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-12-14 12:19:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:19:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 12:19:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 12:19:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 12:19:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 12:19:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:19:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:19:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:19:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-12-14 12:19:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-12-14 12:19:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 12:19:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 12:19:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:19:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:19:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 12:19:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 12:19:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 12:19:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 12:19:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 12:19:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 12:19:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-12-14 12:19:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-12-14 12:19:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 12:19:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 12:19:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 12:19:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 12:19:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 12:19:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 12:19:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:19:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:19:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 12:19:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-12-14 12:19:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-12-14 12:19:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 12:19:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 12:19:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 12:19:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 12:19:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:19:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 12:19:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 12:19:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-12-14 12:19:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-12-14 12:19:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 12:19:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 12:19:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:19:40,941 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:19:40,943 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:19:41,839 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:19:42,056 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:19:42,056 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 12:19:42,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:19:42 BoogieIcfgContainer [2022-12-14 12:19:42,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:19:42,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:19:42,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:19:42,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:19:42,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:19:38" (1/3) ... [2022-12-14 12:19:42,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae62267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:19:42, skipping insertion in model container [2022-12-14 12:19:42,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:19:40" (2/3) ... [2022-12-14 12:19:42,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae62267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:19:42, skipping insertion in model container [2022-12-14 12:19:42,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:19:42" (3/3) ... [2022-12-14 12:19:42,067 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_either_harness.i [2022-12-14 12:19:42,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:19:42,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 12:19:42,134 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:19:42,139 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;@6639838f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:19:42,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 12:19:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 290 states, 150 states have (on average 1.2266666666666666) internal successors, (184), 153 states have internal predecessors, (184), 113 states have call successors, (113), 24 states have call predecessors, (113), 24 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2022-12-14 12:19:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 12:19:42,151 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:19:42,152 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 3, 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] [2022-12-14 12:19:42,152 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:19:42,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:19:42,156 INFO L85 PathProgramCache]: Analyzing trace with hash 2074869418, now seen corresponding path program 1 times [2022-12-14 12:19:42,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:19:42,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760801956] [2022-12-14 12:19:42,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:42,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:19:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:42,738 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 12:19:42,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:19:42,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760801956] [2022-12-14 12:19:42,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760801956] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:19:42,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96385044] [2022-12-14 12:19:42,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:42,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:42,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:42,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:19:42,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:19:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:43,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 2136 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 12:19:43,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:19:43,200 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-12-14 12:19:43,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:19:43,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96385044] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:19:43,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:19:43,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-12-14 12:19:43,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907040730] [2022-12-14 12:19:43,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:19:43,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:19:43,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:19:43,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:19:43,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:19:43,237 INFO L87 Difference]: Start difference. First operand has 290 states, 150 states have (on average 1.2266666666666666) internal successors, (184), 153 states have internal predecessors, (184), 113 states have call successors, (113), 24 states have call predecessors, (113), 24 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 12:19:43,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:19:43,594 INFO L93 Difference]: Finished difference Result 528 states and 786 transitions. [2022-12-14 12:19:43,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:19:43,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 80 [2022-12-14 12:19:43,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:19:43,608 INFO L225 Difference]: With dead ends: 528 [2022-12-14 12:19:43,608 INFO L226 Difference]: Without dead ends: 288 [2022-12-14 12:19:43,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:19:43,620 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:19:43,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 723 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 12:19:43,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-12-14 12:19:43,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-12-14 12:19:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 150 states have (on average 1.2) internal successors, (180), 152 states have internal predecessors, (180), 113 states have call successors, (113), 24 states have call predecessors, (113), 23 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-12-14 12:19:43,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 404 transitions. [2022-12-14 12:19:43,690 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 404 transitions. Word has length 80 [2022-12-14 12:19:43,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:19:43,692 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 404 transitions. [2022-12-14 12:19:43,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 12:19:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 404 transitions. [2022-12-14 12:19:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 12:19:43,699 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:19:43,699 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 4, 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] [2022-12-14 12:19:43,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:19:43,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 12:19:43,901 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:19:43,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:19:43,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1019298997, now seen corresponding path program 1 times [2022-12-14 12:19:43,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:19:43,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685357350] [2022-12-14 12:19:43,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:43,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:19:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-14 12:19:44,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:19:44,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685357350] [2022-12-14 12:19:44,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685357350] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:19:44,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246983535] [2022-12-14 12:19:44,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:44,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:44,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:44,316 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:19:44,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:19:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:44,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 2244 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 12:19:44,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:19:44,769 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 12:19:44,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:19:44,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246983535] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:19:44,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:19:44,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 12:19:44,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666897269] [2022-12-14 12:19:44,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:19:44,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:19:44,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:19:44,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:19:44,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:19:44,772 INFO L87 Difference]: Start difference. First operand 288 states and 404 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 12:19:45,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:19:45,265 INFO L93 Difference]: Finished difference Result 548 states and 779 transitions. [2022-12-14 12:19:45,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:19:45,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 95 [2022-12-14 12:19:45,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:19:45,270 INFO L225 Difference]: With dead ends: 548 [2022-12-14 12:19:45,270 INFO L226 Difference]: Without dead ends: 290 [2022-12-14 12:19:45,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:19:45,274 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 31 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:19:45,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 1313 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 12:19:45,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-12-14 12:19:45,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2022-12-14 12:19:45,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 151 states have (on average 1.1986754966887416) internal successors, (181), 154 states have internal predecessors, (181), 113 states have call successors, (113), 24 states have call predecessors, (113), 24 states have return successors, (119), 111 states have call predecessors, (119), 111 states have call successors, (119) [2022-12-14 12:19:45,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 413 transitions. [2022-12-14 12:19:45,315 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 413 transitions. Word has length 95 [2022-12-14 12:19:45,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:19:45,315 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 413 transitions. [2022-12-14 12:19:45,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 12:19:45,316 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 413 transitions. [2022-12-14 12:19:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 12:19:45,318 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:19:45,318 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 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] [2022-12-14 12:19:45,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 12:19:45,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:45,520 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:19:45,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:19:45,523 INFO L85 PathProgramCache]: Analyzing trace with hash -354371606, now seen corresponding path program 1 times [2022-12-14 12:19:45,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:19:45,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257935695] [2022-12-14 12:19:45,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:45,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:19:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-14 12:19:46,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:19:46,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257935695] [2022-12-14 12:19:46,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257935695] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:19:46,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253963094] [2022-12-14 12:19:46,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:46,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:46,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:46,004 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:19:46,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:19:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:46,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 2294 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 12:19:46,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:19:46,431 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 12:19:46,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:19:46,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253963094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:19:46,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:19:46,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-12-14 12:19:46,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454139180] [2022-12-14 12:19:46,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:19:46,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 12:19:46,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:19:46,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 12:19:46,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-12-14 12:19:46,434 INFO L87 Difference]: Start difference. First operand 290 states and 413 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-12-14 12:19:47,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:19:47,201 INFO L93 Difference]: Finished difference Result 563 states and 822 transitions. [2022-12-14 12:19:47,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:19:47,201 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 103 [2022-12-14 12:19:47,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:19:47,204 INFO L225 Difference]: With dead ends: 563 [2022-12-14 12:19:47,204 INFO L226 Difference]: Without dead ends: 303 [2022-12-14 12:19:47,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-12-14 12:19:47,206 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 44 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1934 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:19:47,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1934 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 12:19:47,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-12-14 12:19:47,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 301. [2022-12-14 12:19:47,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 159 states have (on average 1.20125786163522) internal successors, (191), 162 states have internal predecessors, (191), 115 states have call successors, (115), 24 states have call predecessors, (115), 25 states have return successors, (132), 114 states have call predecessors, (132), 113 states have call successors, (132) [2022-12-14 12:19:47,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2022-12-14 12:19:47,229 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 103 [2022-12-14 12:19:47,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:19:47,229 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2022-12-14 12:19:47,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-12-14 12:19:47,230 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2022-12-14 12:19:47,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-12-14 12:19:47,232 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:19:47,232 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 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, 1, 1, 1, 1] [2022-12-14 12:19:47,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 12:19:47,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:47,433 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:19:47,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:19:47,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1143258720, now seen corresponding path program 1 times [2022-12-14 12:19:47,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:19:47,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355328139] [2022-12-14 12:19:47,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:47,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:19:47,543 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:19:47,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [705802115] [2022-12-14 12:19:47,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:47,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:47,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:47,544 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:19:47,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 12:19:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:47,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 2426 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 12:19:47,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:19:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 12:19:47,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:19:47,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:19:47,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355328139] [2022-12-14 12:19:47,969 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:19:47,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705802115] [2022-12-14 12:19:47,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705802115] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:19:47,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:19:47,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 12:19:47,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196718910] [2022-12-14 12:19:47,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:19:47,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 12:19:47,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:19:47,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 12:19:47,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:19:47,972 INFO L87 Difference]: Start difference. First operand 301 states and 438 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, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-12-14 12:19:48,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:19:48,546 INFO L93 Difference]: Finished difference Result 580 states and 867 transitions. [2022-12-14 12:19:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:19:48,547 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, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 112 [2022-12-14 12:19:48,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:19:48,551 INFO L225 Difference]: With dead ends: 580 [2022-12-14 12:19:48,551 INFO L226 Difference]: Without dead ends: 309 [2022-12-14 12:19:48,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:19:48,554 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 42 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1623 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:19:48,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1623 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 12:19:48,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-12-14 12:19:48,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 301. [2022-12-14 12:19:48,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 159 states have (on average 1.20125786163522) internal successors, (191), 162 states have internal predecessors, (191), 115 states have call successors, (115), 24 states have call predecessors, (115), 25 states have return successors, (132), 114 states have call predecessors, (132), 113 states have call successors, (132) [2022-12-14 12:19:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2022-12-14 12:19:48,578 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 112 [2022-12-14 12:19:48,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:19:48,579 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2022-12-14 12:19:48,579 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, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-12-14 12:19:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2022-12-14 12:19:48,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-14 12:19:48,581 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:19:48,581 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:19:48,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 12:19:48,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:48,782 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:19:48,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:19:48,783 INFO L85 PathProgramCache]: Analyzing trace with hash -22060043, now seen corresponding path program 1 times [2022-12-14 12:19:48,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:19:48,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117736595] [2022-12-14 12:19:48,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:48,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:19:48,841 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:19:48,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [22327126] [2022-12-14 12:19:48,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:48,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:48,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:48,843 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:19:48,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 12:19:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:49,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 2480 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 12:19:49,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:19:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-14 12:19:49,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:19:49,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:19:49,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117736595] [2022-12-14 12:19:49,351 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:19:49,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22327126] [2022-12-14 12:19:49,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22327126] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:19:49,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:19:49,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 12:19:49,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588590828] [2022-12-14 12:19:49,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:19:49,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 12:19:49,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:19:49,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 12:19:49,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:19:49,353 INFO L87 Difference]: Start difference. First operand 301 states and 438 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 5 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-12-14 12:19:50,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:19:50,221 INFO L93 Difference]: Finished difference Result 590 states and 881 transitions. [2022-12-14 12:19:50,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 12:19:50,221 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 5 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 120 [2022-12-14 12:19:50,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:19:50,224 INFO L225 Difference]: With dead ends: 590 [2022-12-14 12:19:50,224 INFO L226 Difference]: Without dead ends: 319 [2022-12-14 12:19:50,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-14 12:19:50,226 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 54 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:19:50,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 2213 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:19:50,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-12-14 12:19:50,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 301. [2022-12-14 12:19:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 159 states have (on average 1.20125786163522) internal successors, (191), 162 states have internal predecessors, (191), 115 states have call successors, (115), 24 states have call predecessors, (115), 25 states have return successors, (132), 114 states have call predecessors, (132), 113 states have call successors, (132) [2022-12-14 12:19:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2022-12-14 12:19:50,237 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 120 [2022-12-14 12:19:50,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:19:50,237 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2022-12-14 12:19:50,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 5 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-12-14 12:19:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2022-12-14 12:19:50,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-14 12:19:50,238 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:19:50,238 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:19:50,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 12:19:50,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:50,440 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:19:50,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:19:50,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1871843659, now seen corresponding path program 1 times [2022-12-14 12:19:50,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:19:50,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660723415] [2022-12-14 12:19:50,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:50,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:19:50,519 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:19:50,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [430100733] [2022-12-14 12:19:50,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:50,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:50,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:50,520 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:19:50,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 12:19:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:50,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 2612 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 12:19:50,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:19:51,036 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 12:19:51,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:19:51,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:19:51,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660723415] [2022-12-14 12:19:51,036 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:19:51,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430100733] [2022-12-14 12:19:51,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430100733] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:19:51,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:19:51,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 12:19:51,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309150636] [2022-12-14 12:19:51,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:19:51,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 12:19:51,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:19:51,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 12:19:51,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:19:51,038 INFO L87 Difference]: Start difference. First operand 301 states and 438 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-12-14 12:19:51,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:19:51,615 INFO L93 Difference]: Finished difference Result 549 states and 812 transitions. [2022-12-14 12:19:51,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:19:51,616 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 129 [2022-12-14 12:19:51,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:19:51,618 INFO L225 Difference]: With dead ends: 549 [2022-12-14 12:19:51,618 INFO L226 Difference]: Without dead ends: 303 [2022-12-14 12:19:51,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:19:51,620 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 77 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1901 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:19:51,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1901 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 12:19:51,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-12-14 12:19:51,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2022-12-14 12:19:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 160 states have (on average 1.2) internal successors, (192), 164 states have internal predecessors, (192), 115 states have call successors, (115), 24 states have call predecessors, (115), 26 states have return successors, (138), 114 states have call predecessors, (138), 113 states have call successors, (138) [2022-12-14 12:19:51,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 445 transitions. [2022-12-14 12:19:51,637 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 445 transitions. Word has length 129 [2022-12-14 12:19:51,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:19:51,638 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 445 transitions. [2022-12-14 12:19:51,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-12-14 12:19:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 445 transitions. [2022-12-14 12:19:51,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 12:19:51,640 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:19:51,641 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:19:51,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 12:19:51,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:51,842 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:19:51,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:19:51,844 INFO L85 PathProgramCache]: Analyzing trace with hash 648734152, now seen corresponding path program 1 times [2022-12-14 12:19:51,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:19:51,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003633524] [2022-12-14 12:19:51,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:51,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:19:51,924 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:19:51,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1110946013] [2022-12-14 12:19:51,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:51,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:51,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:51,925 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:19:51,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 12:19:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:52,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 2794 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 12:19:52,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:19:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-12-14 12:19:52,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:19:52,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:19:52,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003633524] [2022-12-14 12:19:52,412 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:19:52,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110946013] [2022-12-14 12:19:52,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110946013] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:19:52,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:19:52,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 12:19:52,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478963057] [2022-12-14 12:19:52,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:19:52,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 12:19:52,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:19:52,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 12:19:52,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:19:52,415 INFO L87 Difference]: Start difference. First operand 303 states and 445 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 5 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) [2022-12-14 12:19:53,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:19:53,400 INFO L93 Difference]: Finished difference Result 554 states and 827 transitions. [2022-12-14 12:19:53,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 12:19:53,401 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 5 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) Word has length 146 [2022-12-14 12:19:53,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:19:53,403 INFO L225 Difference]: With dead ends: 554 [2022-12-14 12:19:53,403 INFO L226 Difference]: Without dead ends: 306 [2022-12-14 12:19:53,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 12:19:53,405 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 88 mSDsluCounter, 1860 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:19:53,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 2200 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 12:19:53,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-12-14 12:19:53,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 304. [2022-12-14 12:19:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 161 states have (on average 1.1987577639751552) internal successors, (193), 165 states have internal predecessors, (193), 115 states have call successors, (115), 24 states have call predecessors, (115), 26 states have return successors, (138), 114 states have call predecessors, (138), 113 states have call successors, (138) [2022-12-14 12:19:53,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 446 transitions. [2022-12-14 12:19:53,422 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 446 transitions. Word has length 146 [2022-12-14 12:19:53,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:19:53,423 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 446 transitions. [2022-12-14 12:19:53,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 5 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) [2022-12-14 12:19:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 446 transitions. [2022-12-14 12:19:53,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-14 12:19:53,425 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:19:53,425 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 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, 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] [2022-12-14 12:19:53,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 12:19:53,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:53,626 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:19:53,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:19:53,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1774739107, now seen corresponding path program 2 times [2022-12-14 12:19:53,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:19:53,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958191276] [2022-12-14 12:19:53,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:53,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:19:53,692 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:19:53,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [417470914] [2022-12-14 12:19:53,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:19:53,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:53,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:53,694 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:19:53,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 12:19:54,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 12:19:54,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:19:54,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 2060 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 12:19:54,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:19:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-14 12:19:54,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:19:54,651 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:19:54,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958191276] [2022-12-14 12:19:54,651 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:19:54,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417470914] [2022-12-14 12:19:54,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417470914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:19:54,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:19:54,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 12:19:54,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646978129] [2022-12-14 12:19:54,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:19:54,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 12:19:54,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:19:54,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 12:19:54,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:19:54,653 INFO L87 Difference]: Start difference. First operand 304 states and 446 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 12:19:55,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:19:55,375 INFO L93 Difference]: Finished difference Result 558 states and 836 transitions. [2022-12-14 12:19:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 12:19:55,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 154 [2022-12-14 12:19:55,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:19:55,379 INFO L225 Difference]: With dead ends: 558 [2022-12-14 12:19:55,379 INFO L226 Difference]: Without dead ends: 338 [2022-12-14 12:19:55,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-14 12:19:55,381 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 53 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:19:55,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 1886 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 12:19:55,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2022-12-14 12:19:55,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 305. [2022-12-14 12:19:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 162 states have (on average 1.1975308641975309) internal successors, (194), 166 states have internal predecessors, (194), 115 states have call successors, (115), 24 states have call predecessors, (115), 26 states have return successors, (138), 114 states have call predecessors, (138), 113 states have call successors, (138) [2022-12-14 12:19:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 447 transitions. [2022-12-14 12:19:55,397 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 447 transitions. Word has length 154 [2022-12-14 12:19:55,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:19:55,398 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 447 transitions. [2022-12-14 12:19:55,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 12:19:55,398 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 447 transitions. [2022-12-14 12:19:55,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-12-14 12:19:55,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:19:55,400 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2022-12-14 12:19:55,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-14 12:19:55,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:55,600 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:19:55,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:19:55,601 INFO L85 PathProgramCache]: Analyzing trace with hash 131199650, now seen corresponding path program 1 times [2022-12-14 12:19:55,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:19:55,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54037424] [2022-12-14 12:19:55,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:55,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:19:55,678 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:19:55,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139005678] [2022-12-14 12:19:55,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:55,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:55,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:55,680 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:19:55,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 12:19:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:19:56,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 2885 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 12:19:56,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:19:56,292 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-14 12:19:56,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:19:56,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:19:56,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54037424] [2022-12-14 12:19:56,292 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:19:56,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139005678] [2022-12-14 12:19:56,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139005678] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:19:56,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:19:56,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-14 12:19:56,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830294452] [2022-12-14 12:19:56,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:19:56,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 12:19:56,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:19:56,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 12:19:56,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-14 12:19:56,308 INFO L87 Difference]: Start difference. First operand 305 states and 447 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 6 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (26), 5 states have call predecessors, (26), 6 states have call successors, (26) [2022-12-14 12:19:57,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:19:57,630 INFO L93 Difference]: Finished difference Result 565 states and 845 transitions. [2022-12-14 12:19:57,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 12:19:57,630 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 6 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (26), 5 states have call predecessors, (26), 6 states have call successors, (26) Word has length 167 [2022-12-14 12:19:57,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:19:57,632 INFO L225 Difference]: With dead ends: 565 [2022-12-14 12:19:57,633 INFO L226 Difference]: Without dead ends: 315 [2022-12-14 12:19:57,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-12-14 12:19:57,634 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 100 mSDsluCounter, 2427 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 2758 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 12:19:57,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 2758 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 12:19:57,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-12-14 12:19:57,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 310. [2022-12-14 12:19:57,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 166 states have (on average 1.1987951807228916) internal successors, (199), 169 states have internal predecessors, (199), 116 states have call successors, (116), 24 states have call predecessors, (116), 26 states have return successors, (139), 116 states have call predecessors, (139), 114 states have call successors, (139) [2022-12-14 12:19:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 454 transitions. [2022-12-14 12:19:57,656 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 454 transitions. Word has length 167 [2022-12-14 12:19:57,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:19:57,656 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 454 transitions. [2022-12-14 12:19:57,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 6 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (26), 5 states have call predecessors, (26), 6 states have call successors, (26) [2022-12-14 12:19:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 454 transitions. [2022-12-14 12:19:57,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-12-14 12:19:57,659 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:19:57,659 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2022-12-14 12:19:57,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 12:19:57,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:57,861 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:19:57,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:19:57,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1602505450, now seen corresponding path program 2 times [2022-12-14 12:19:57,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:19:57,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253769438] [2022-12-14 12:19:57,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:57,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:19:57,969 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:19:57,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274937246] [2022-12-14 12:19:57,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 12:19:57,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:57,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:57,970 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:19:57,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 12:19:58,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 12:19:58,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:19:58,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 12:19:58,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:19:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-12-14 12:19:58,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:19:58,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:19:58,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253769438] [2022-12-14 12:19:58,596 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:19:58,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274937246] [2022-12-14 12:19:58,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274937246] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:19:58,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:19:58,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:19:58,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318381829] [2022-12-14 12:19:58,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:19:58,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:19:58,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:19:58,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:19:58,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:19:58,598 INFO L87 Difference]: Start difference. First operand 310 states and 454 transitions. Second operand has 5 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 12:19:59,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:19:59,281 INFO L93 Difference]: Finished difference Result 552 states and 826 transitions. [2022-12-14 12:19:59,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:19:59,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 167 [2022-12-14 12:19:59,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:19:59,283 INFO L225 Difference]: With dead ends: 552 [2022-12-14 12:19:59,283 INFO L226 Difference]: Without dead ends: 310 [2022-12-14 12:19:59,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:19:59,284 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 0 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:19:59,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1297 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 12:19:59,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-12-14 12:19:59,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2022-12-14 12:19:59,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 166 states have (on average 1.1987951807228916) internal successors, (199), 169 states have internal predecessors, (199), 116 states have call successors, (116), 24 states have call predecessors, (116), 26 states have return successors, (138), 116 states have call predecessors, (138), 114 states have call successors, (138) [2022-12-14 12:19:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 453 transitions. [2022-12-14 12:19:59,295 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 453 transitions. Word has length 167 [2022-12-14 12:19:59,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:19:59,296 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 453 transitions. [2022-12-14 12:19:59,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-12-14 12:19:59,296 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 453 transitions. [2022-12-14 12:19:59,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-12-14 12:19:59,297 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:19:59,297 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1] [2022-12-14 12:19:59,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-14 12:19:59,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-14 12:19:59,498 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 12:19:59,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:19:59,499 INFO L85 PathProgramCache]: Analyzing trace with hash -2026670992, now seen corresponding path program 3 times [2022-12-14 12:19:59,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:19:59,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410238145] [2022-12-14 12:19:59,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:19:59,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:19:59,593 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 12:19:59,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1200256178] [2022-12-14 12:19:59,593 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 12:19:59,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:19:59,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:19:59,594 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:19:59,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_261cc932-1111-40d8-b321-acccdc31daf6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 12:19:59,827 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 12:19:59,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 12:19:59,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 12:19:59,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:19:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 135 proven. 6 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-12-14 12:19:59,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:20:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-12-14 12:20:00,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:20:00,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410238145] [2022-12-14 12:20:00,160 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 12:20:00,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200256178] [2022-12-14 12:20:00,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200256178] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:20:00,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1052836029] [2022-12-14 12:20:00,177 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-12-14 12:20:00,177 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:20:00,180 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:20:00,183 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:20:00,184 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:20:02,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:20:03,122 INFO L217 Elim1Store]: Index analysis took 311 ms [2022-12-14 12:20:13,887 WARN L233 SmtUtils]: Spent 10.71s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 12:20:13,890 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-12-14 12:20:13,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-12-14 12:20:16,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:20:16,778 INFO L217 Elim1Store]: Index analysis took 564 ms [2022-12-14 12:20:34,415 WARN L233 SmtUtils]: Spent 17.60s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 12:20:34,418 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-12-14 12:20:34,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-12-14 12:21:56,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:56,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:56,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 12:21:56,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:56,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 12:21:56,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:56,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 12:21:56,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:21:59,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:59,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:59,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:59,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:59,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:59,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:59,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:59,183 INFO L217 Elim1Store]: Index analysis took 160 ms [2022-12-14 12:21:59,205 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 12:21:59,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:21:59,614 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 [2022-12-14 12:22:00,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 12:22:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,555 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 [2022-12-14 12:22:00,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:00,862 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 [2022-12-14 12:22:08,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:08,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:08,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:08,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:08,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:08,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:08,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:08,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 12:22:08,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:08,633 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 [2022-12-14 12:22:09,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 12:22:09,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,546 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 [2022-12-14 12:22:09,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:22:09,886 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 [2022-12-14 12:22:24,969 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 [2022-12-14 12:22:25,014 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 [2022-12-14 12:22:25,153 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 [2022-12-14 12:22:25,349 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 [2022-12-14 12:22:25,396 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 [2022-12-14 12:22:25,533 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 [2022-12-14 12:22:39,413 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 [2022-12-14 12:22:39,448 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 [2022-12-14 12:22:39,531 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 [2022-12-14 12:22:39,775 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 [2022-12-14 12:22:39,815 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 [2022-12-14 12:22:39,901 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 [2022-12-14 12:22:42,282 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 [2022-12-14 12:22:42,628 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 [2022-12-14 12:22:42,806 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 [2022-12-14 12:22:43,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:22:55,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 12:22:55,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:22:55,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 12:22:55,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:22:55,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:22:55,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 12:22:55,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:22:55,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:22:56,010 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:22:56,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 12:22:56,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 12:22:56,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 12:22:56,078 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:22:56,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 12:22:56,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 12:22:56,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 12:22:56,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:22:56,194 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 [2022-12-14 12:22:56,197 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 [2022-12-14 12:22:56,206 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 [2022-12-14 12:22:56,208 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 [2022-12-14 12:22:57,710 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 [2022-12-14 12:22:57,971 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 [2022-12-14 12:22:58,153 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 [2022-12-14 12:23:12,822 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 [2022-12-14 12:23:13,119 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 [2022-12-14 12:23:13,216 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 [2022-12-14 12:25:41,076 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2895 for LOIs [2022-12-14 12:25:54,302 INFO L197 IcfgInterpreter]: Interpreting procedure s_sift_either with input of size 678 for LOIs [2022-12-14 12:25:56,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-12-14 12:25:56,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:25:56,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:25:57,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-12-14 12:25:57,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:25:57,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:25:58,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:25:58,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:25:58,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-12-14 12:25:59,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-12-14 12:25:59,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:25:59,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:26:01,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2022-12-14 12:26:01,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:26:01,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:26:01,937 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 26 treesize of output 20 [2022-12-14 12:26:02,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:26:02,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:26:02,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2022-12-14 12:26:02,961 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 26 treesize of output 20 [2022-12-14 12:26:05,466 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 1871 treesize of output 1859 [2022-12-14 12:26:05,628 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 1859 treesize of output 1847 [2022-12-14 12:26:05,716 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 1847 treesize of output 1835 [2022-12-14 12:26:09,370 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 1871 treesize of output 1859 [2022-12-14 12:26:09,532 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 1859 treesize of output 1847 [2022-12-14 12:26:09,618 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 1847 treesize of output 1835 [2022-12-14 12:26:15,449 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 1871 treesize of output 1859 [2022-12-14 12:26:15,613 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 1859 treesize of output 1847 [2022-12-14 12:26:15,702 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 1847 treesize of output 1835 [2022-12-14 12:26:22,519 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 1871 treesize of output 1859 [2022-12-14 12:26:22,684 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 1859 treesize of output 1847 [2022-12-14 12:26:22,771 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 1847 treesize of output 1835 [2022-12-14 12:26:30,878 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 1927 treesize of output 1915 [2022-12-14 12:26:31,043 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 1915 treesize of output 1903 [2022-12-14 12:26:31,131 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 1903 treesize of output 1891 [2022-12-14 12:26:33,388 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 1871 treesize of output 1859 [2022-12-14 12:26:33,606 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 1859 treesize of output 1847 [2022-12-14 12:26:33,692 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 1847 treesize of output 1835 [2022-12-14 12:26:38,111 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 1871 treesize of output 1859 [2022-12-14 12:26:38,272 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 1859 treesize of output 1847 [2022-12-14 12:26:38,358 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 1847 treesize of output 1835 [2022-12-14 12:26:39,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2022-12-14 12:26:39,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 12:26:39,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 12:26:40,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:26:40,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:26:40,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-12-14 12:26:41,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-12-14 12:26:41,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:26:41,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 12:26:42,319 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 669 for LOIs [2022-12-14 12:26:47,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 12:26:47,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 12:26:50,084 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 47 for LOIs [2022-12-14 12:26:50,091 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 47 for LOIs [2022-12-14 12:26:50,122 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 [2022-12-14 12:26:50,126 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 [2022-12-14 12:26:50,146 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 [2022-12-14 12:26:50,150 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 [2022-12-14 12:26:50,676 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 50 for LOIs [2022-12-14 12:26:50,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 12:26:50,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 12:26:50,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 12:26:50,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 12:26:50,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:50,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:50,760 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:26:50,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 12:26:50,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 12:26:50,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 12:26:50,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:50,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:26:50,823 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 12:26:50,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 12:26:50,955 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 12:26:50,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 191 [2022-12-14 12:26:51,428 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 98 for LOIs [2022-12-14 12:26:51,619 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 84 for LOIs [2022-12-14 12:26:51,636 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2962 for LOIs [2022-12-14 12:28:14,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:28:14,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:28:14,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 12:28:14,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 12:28:35,300 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-12-14 12:28:35,302 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-12-14 12:28:35,309 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 12:30:35,169 WARN L233 SmtUtils]: Spent 1.98m on a formula simplification. DAG size of input: 2824 DAG size of output: 2436 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 12:33:13,260 WARN L233 SmtUtils]: Spent 2.61m on a formula simplification. DAG size of input: 2895 DAG size of output: 2451 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)