./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d155cc00d5c2ba6f5ef1d5e883c6d133605de01ed97e4300960f893025d81fd1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:25:57,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:25:57,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:25:57,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:25:57,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:25:57,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:25:57,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:25:57,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:25:57,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:25:57,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:25:57,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:25:57,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:25:57,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:25:57,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:25:57,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:25:57,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:25:57,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:25:57,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:25:57,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:25:57,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:25:57,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:25:57,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:25:57,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:25:57,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:25:57,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:25:57,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:25:57,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:25:57,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:25:57,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:25:57,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:25:57,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:25:57,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:25:57,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:25:57,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:25:57,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:25:57,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:25:57,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:25:57,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:25:57,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:25:57,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:25:57,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:25:57,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:25:57,405 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:25:57,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:25:57,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:25:57,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:25:57,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:25:57,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:25:57,407 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:25:57,407 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:25:57,408 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:25:57,408 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:25:57,408 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:25:57,408 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:25:57,408 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:25:57,409 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:25:57,409 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:25:57,409 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:25:57,409 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:25:57,409 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:25:57,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:25:57,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:25:57,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:25:57,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:25:57,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:25:57,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:25:57,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:25:57,417 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:25:57,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:25:57,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:25:57,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:25:57,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:25:57,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:25:57,418 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:25:57,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:25:57,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:25:57,419 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:25:57,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:25:57,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:25:57,419 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:25:57,419 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_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d155cc00d5c2ba6f5ef1d5e883c6d133605de01ed97e4300960f893025d81fd1 [2022-11-25 23:25:57,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:25:57,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:25:57,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:25:57,712 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:25:57,713 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:25:57,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i [2022-11-25 23:26:00,858 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:26:01,385 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:26:01,386 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i [2022-11-25 23:26:01,421 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/data/f1719d685/333532b3354c4c79be12a9ff9a8292eb/FLAG7bc4fd598 [2022-11-25 23:26:01,439 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/data/f1719d685/333532b3354c4c79be12a9ff9a8292eb [2022-11-25 23:26:01,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:26:01,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:26:01,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:26:01,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:26:01,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:26:01,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:26:01" (1/1) ... [2022-11-25 23:26:01,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e936803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:01, skipping insertion in model container [2022-11-25 23:26:01,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:26:01" (1/1) ... [2022-11-25 23:26:01,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:26:01,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:26:01,811 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_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i[4499,4512] [2022-11-25 23:26:01,822 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_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i[4559,4572] [2022-11-25 23:26:02,807 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:26:02,814 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,815 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,815 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,816 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,818 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,833 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,834 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,836 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,837 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,839 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,841 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,842 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,842 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:02,931 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:26:02,931 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:26:02,932 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:26:02,939 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 23:26:02,942 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 23:26:02,943 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 23:26:03,350 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 23:26:03,355 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 23:26:03,357 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 23:26:03,360 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 23:26:03,362 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 23:26:03,365 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 23:26:03,372 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 23:26:03,373 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 23:26:03,374 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 23:26:03,374 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 23:26:03,376 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 23:26:03,595 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 23:26:03,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:26:03,639 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:26:03,657 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_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i[4499,4512] [2022-11-25 23:26:03,666 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_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i[4559,4572] [2022-11-25 23:26:03,743 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:26:03,755 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,755 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,756 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,757 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,759 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,777 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,778 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,780 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,784 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,785 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,789 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,793 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,794 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:26:03,811 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:26:03,812 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:26:03,812 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:26:03,820 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 23:26:03,824 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 23:26:03,826 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 23:26:03,855 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 23:26:03,857 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 23:26:03,858 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 23:26:03,859 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 23:26:03,860 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 23:26:03,867 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 23:26:03,867 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 23:26:03,868 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 23:26:03,869 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 23:26:03,870 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 23:26:03,871 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 23:26:03,908 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 23:26:03,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:26:04,208 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:26:04,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04 WrapperNode [2022-11-25 23:26:04,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:26:04,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:26:04,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:26:04,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:26:04,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04" (1/1) ... [2022-11-25 23:26:04,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04" (1/1) ... [2022-11-25 23:26:04,357 INFO L138 Inliner]: procedures = 679, calls = 1047, calls flagged for inlining = 52, calls inlined = 6, statements flattened = 149 [2022-11-25 23:26:04,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:26:04,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:26:04,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:26:04,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:26:04,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04" (1/1) ... [2022-11-25 23:26:04,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04" (1/1) ... [2022-11-25 23:26:04,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04" (1/1) ... [2022-11-25 23:26:04,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04" (1/1) ... [2022-11-25 23:26:04,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04" (1/1) ... [2022-11-25 23:26:04,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04" (1/1) ... [2022-11-25 23:26:04,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04" (1/1) ... [2022-11-25 23:26:04,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04" (1/1) ... [2022-11-25 23:26:04,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:26:04,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:26:04,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:26:04,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:26:04,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04" (1/1) ... [2022-11-25 23:26:04,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:26:04,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:26:04,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:26:04,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:26:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:26:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:26:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:26:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2022-11-25 23:26:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2022-11-25 23:26:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:26:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2022-11-25 23:26:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2022-11-25 23:26:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:26:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:26:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_insert_before [2022-11-25 23:26:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_insert_before [2022-11-25 23:26:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:26:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:26:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 23:26:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 23:26:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:26:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:26:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:26:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-25 23:26:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-25 23:26:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2022-11-25 23:26:04,530 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2022-11-25 23:26:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:26:04,878 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:26:04,881 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:26:05,314 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:26:05,527 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:26:05,530 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 23:26:05,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:26:05 BoogieIcfgContainer [2022-11-25 23:26:05,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:26:05,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:26:05,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:26:05,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:26:05,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:26:01" (1/3) ... [2022-11-25 23:26:05,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7406a2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:26:05, skipping insertion in model container [2022-11-25 23:26:05,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:04" (2/3) ... [2022-11-25 23:26:05,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7406a2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:26:05, skipping insertion in model container [2022-11-25 23:26:05,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:26:05" (3/3) ... [2022-11-25 23:26:05,544 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_linked_list_push_back_harness.i [2022-11-25 23:26:05,564 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:26:05,564 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:26:05,616 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:26:05,623 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;@327b979, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:26:05,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:26:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 37 states have internal predecessors, (44), 28 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-11-25 23:26:05,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 23:26:05,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:05,638 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-25 23:26:05,639 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:26:05,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:05,645 INFO L85 PathProgramCache]: Analyzing trace with hash 520735072, now seen corresponding path program 1 times [2022-11-25 23:26:05,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:05,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081067767] [2022-11-25 23:26:05,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:05,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-25 23:26:07,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:07,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081067767] [2022-11-25 23:26:07,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081067767] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:26:07,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052624492] [2022-11-25 23:26:07,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:07,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:26:07,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:26:07,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:26:07,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:26:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:07,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 72 conjunts are in the unsatisfiable core [2022-11-25 23:26:07,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:26:07,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 23:26:07,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 23:26:07,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-25 23:26:08,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2022-11-25 23:26:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:09,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:09,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:09,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:09,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:09,544 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:26:09,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 118 treesize of output 72 [2022-11-25 23:26:09,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:09,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:09,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:09,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:09,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:09,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:09,569 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:26:09,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 77 treesize of output 35 [2022-11-25 23:26:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 23:26:09,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:26:09,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052624492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:09,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:26:09,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2022-11-25 23:26:09,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766159054] [2022-11-25 23:26:09,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:09,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 23:26:09,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:09,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 23:26:09,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-25 23:26:09,624 INFO L87 Difference]: Start difference. First operand has 73 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 37 states have internal predecessors, (44), 28 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-25 23:26:10,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:10,575 INFO L93 Difference]: Finished difference Result 168 states and 242 transitions. [2022-11-25 23:26:10,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:26:10,579 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 42 [2022-11-25 23:26:10,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:10,589 INFO L225 Difference]: With dead ends: 168 [2022-11-25 23:26:10,589 INFO L226 Difference]: Without dead ends: 100 [2022-11-25 23:26:10,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-25 23:26:10,603 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 39 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:10,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 382 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 23:26:10,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-25 23:26:10,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2022-11-25 23:26:10,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 53 states have internal predecessors, (63), 36 states have call successors, (36), 12 states have call predecessors, (36), 11 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2022-11-25 23:26:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 134 transitions. [2022-11-25 23:26:10,708 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 134 transitions. Word has length 42 [2022-11-25 23:26:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:10,709 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 134 transitions. [2022-11-25 23:26:10,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-25 23:26:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 134 transitions. [2022-11-25 23:26:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 23:26:10,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:10,714 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-25 23:26:10,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:26:10,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 23:26:10,924 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:26:10,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:10,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1892869122, now seen corresponding path program 1 times [2022-11-25 23:26:10,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:10,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885856313] [2022-11-25 23:26:10,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:10,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:11,681 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 23:26:11,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:11,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885856313] [2022-11-25 23:26:11,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885856313] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:26:11,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316934803] [2022-11-25 23:26:11,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:11,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:26:11,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:26:11,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:26:11,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57f858ee-fbee-4cb6-b2ab-de1f4d13d587/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:26:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:12,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 93 conjunts are in the unsatisfiable core [2022-11-25 23:26:12,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:26:12,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 23:26:12,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2022-11-25 23:26:12,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:12,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:12,265 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2022-11-25 23:26:12,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:12,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-11-25 23:26:12,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:12,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:12,306 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2022-11-25 23:26:12,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:12,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2022-11-25 23:26:12,449 INFO L321 Elim1Store]: treesize reduction 38, result has 22.4 percent of original size [2022-11-25 23:26:12,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 135 treesize of output 145 [2022-11-25 23:26:12,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:12,463 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 47 [2022-11-25 23:26:12,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 105 [2022-11-25 23:26:12,482 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 12 treesize of output 11 [2022-11-25 23:26:12,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:12,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 19 [2022-11-25 23:26:12,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-25 23:26:14,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:14,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:14,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:14,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:14,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:14,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:14,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:14,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:14,089 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-25 23:26:14,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 6 disjoint index pairs (out of 66 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 182 treesize of output 104 [2022-11-25 23:26:14,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:14,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:14,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:14,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:14,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:14,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:14,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:26:14,128 INFO L321 Elim1Store]: treesize reduction 126, result has 0.8 percent of original size [2022-11-25 23:26:14,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 10 disjoint index pairs (out of 66 index pairs), introduced 9 new quantified variables, introduced 32 case distinctions, treesize of input 102 treesize of output 48 [2022-11-25 23:26:14,138 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-25 23:26:14,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:26:18,051 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse5 (+ 16 |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.offset|)) (.cse0 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24)) (.cse3 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|)) (.cse4 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)) (.cse1 (+ 8 |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.offset|))) (and (forall ((v_ArrVal_910 (Array Int Int)) (v_ArrVal_909 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| v_ArrVal_909) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| v_ArrVal_910) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|)) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) .cse1) 0)) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int) (v_ArrVal_913 Int)) (= (select (select (let ((.cse2 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store .cse3 |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| .cse4)))) (store .cse2 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse2 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse0 v_ArrVal_913))) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) .cse5) 0)) (or (forall ((v_ArrVal_910 (Array Int Int)) (v_ArrVal_909 (Array Int Int))) (not (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| v_ArrVal_909) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| v_ArrVal_910) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|)) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.offset|) 0))) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int) (v_ArrVal_913 Int)) (not (= (select (select (let ((.cse6 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store .cse3 |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| .cse4)))) (store .cse6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse0 v_ArrVal_913))) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.offset|) 0)))) (let ((.cse8 (+ 24 |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.offset|))) (or (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int) (v_ArrVal_913 Int)) (not (= (select (select (let ((.cse7 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store .cse3 |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| .cse4)))) (store .cse7 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse7 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse0 v_ArrVal_913))) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) .cse8) 0))) (forall ((v_ArrVal_910 (Array Int Int)) (v_ArrVal_909 (Array Int Int))) (not (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| v_ArrVal_909) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| v_ArrVal_910) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|)) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) .cse8) 0))))) (forall ((v_ArrVal_910 (Array Int Int)) (v_ArrVal_909 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| v_ArrVal_909) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| v_ArrVal_910) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|)) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) .cse5) 0)) (or (not (= |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base| 0)) (not (= 0 |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.offset|))) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int) (v_ArrVal_913 Int)) (= (select (select (let ((.cse9 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store .cse3 |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| .cse4)))) (store .cse9 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse9 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse0 v_ArrVal_913))) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) .cse1) 0)))) is different from false [2022-11-25 23:26:18,581 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:18,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 380 treesize of output 457 [2022-11-25 23:26:18,755 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-25 23:26:18,755 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 79 [2022-11-25 23:26:18,802 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-25 23:26:18,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 79 [2022-11-25 23:26:18,866 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-25 23:26:18,867 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 79 [2022-11-25 23:26:18,916 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-25 23:26:18,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 79 [2022-11-25 23:26:18,953 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-25 23:26:18,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 79 [2022-11-25 23:26:19,001 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-11-25 23:26:19,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 79 [2022-11-25 23:26:19,623 INFO L321 Elim1Store]: treesize reduction 78, result has 16.1 percent of original size [2022-11-25 23:26:19,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 280 treesize of output 234 [2022-11-25 23:26:20,011 INFO L321 Elim1Store]: treesize reduction 191, result has 36.5 percent of original size [2022-11-25 23:26:20,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 305 treesize of output 437 [2022-11-25 23:26:20,289 INFO L321 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2022-11-25 23:26:20,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 102 treesize of output 92 [2022-11-25 23:26:20,343 INFO L321 Elim1Store]: treesize reduction 36, result has 32.1 percent of original size [2022-11-25 23:26:20,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 73 treesize of output 49 [2022-11-25 23:26:20,370 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-25 23:26:20,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2022-11-25 23:26:20,656 INFO L321 Elim1Store]: treesize reduction 191, result has 36.5 percent of original size [2022-11-25 23:26:20,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 305 treesize of output 437 [2022-11-25 23:26:21,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2022-11-25 23:26:21,623 INFO L321 Elim1Store]: treesize reduction 195, result has 35.2 percent of original size [2022-11-25 23:26:21,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 305 treesize of output 433 [2022-11-25 23:26:21,923 INFO L321 Elim1Store]: treesize reduction 88, result has 16.2 percent of original size [2022-11-25 23:26:21,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 112 treesize of output 116 [2022-11-25 23:26:22,003 INFO L321 Elim1Store]: treesize reduction 40, result has 38.5 percent of original size [2022-11-25 23:26:22,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 91 treesize of output 75 [2022-11-25 23:26:22,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2022-11-25 23:26:22,101 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-11-25 23:26:22,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 66 [2022-11-25 23:26:22,341 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse11 (+ 8 |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.offset|)) (.cse7 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| 0))) (.cse2 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 16)) (.cse6 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24)) (.cse10 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|)) (.cse8 (+ 16 |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.offset|))) (and (forall ((v_ArrVal_897 Int)) (or (not (< v_ArrVal_897 |c_#StackHeapBarrier|)) (= v_ArrVal_897 0) (forall ((v_arrayElimArr_6 (Array Int Int)) (v_DerPreprocessor_25 Int) (v_DerPreprocessor_7 Int) (v_subst_4 Int) (v_subst_3 Int) (v_subst_2 Int) (v_DerPreprocessor_21 Int) (v_subst_1 Int) (v_prenex_9 Int)) (let ((.cse4 (store v_arrayElimArr_6 v_subst_2 v_DerPreprocessor_21)) (.cse1 (store v_arrayElimArr_6 v_subst_2 v_DerPreprocessor_25))) (let ((.cse3 (store (store .cse1 v_subst_3 v_DerPreprocessor_7) v_subst_4 .cse2)) (.cse0 (store .cse4 v_subst_1 .cse2))) (or (not (= .cse0 (store (store .cse1 v_subst_3 (select .cse0 v_subst_3)) v_subst_1 .cse2))) (not (= (select v_arrayElimArr_6 v_subst_2) .cse2)) (not (= v_DerPreprocessor_25 (select (store .cse1 v_subst_3 .cse2) v_subst_2))) (not (= .cse3 (store (store v_arrayElimArr_6 v_subst_2 (select .cse3 v_subst_2)) v_subst_4 .cse2))) (not (= .cse3 (store (store .cse4 v_subst_1 (select .cse3 v_subst_1)) v_subst_4 .cse2))) (= (select (select (let ((.cse5 (store .cse7 v_ArrVal_897 v_arrayElimArr_6))) (store .cse5 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse5 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse6 v_prenex_9))) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) .cse8) 0) (not (= (select .cse3 v_subst_3) v_DerPreprocessor_7)) (not (= v_DerPreprocessor_21 (select .cse0 v_subst_2))))))))) (forall ((v_ArrVal_897 Int)) (or (not (< v_ArrVal_897 |c_#StackHeapBarrier|)) (forall ((v_prenex_2 (Array Int Int)) (v_prenex_3 (Array Int Int))) (= (select (select (let ((.cse9 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store .cse10 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| v_ArrVal_897)))) (store (store .cse9 v_ArrVal_897 v_prenex_3) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select (store .cse9 v_ArrVal_897 v_prenex_2) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse6 v_ArrVal_897))) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) .cse11) 0)) (= v_ArrVal_897 0))) (forall ((v_ArrVal_897 Int)) (or (not (< v_ArrVal_897 |c_#StackHeapBarrier|)) (= v_ArrVal_897 0) (forall ((v_arrayElimArr_8 (Array Int Int)) (v_prenex_1 Int) (v_subst_1 Int)) (or (not (= .cse2 (select v_arrayElimArr_8 v_subst_1))) (= (select (select (let ((.cse12 (store .cse7 v_ArrVal_897 v_arrayElimArr_8))) (store .cse12 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse12 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse6 v_prenex_1))) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) .cse11) 0))))) (forall ((v_ArrVal_897 Int)) (let ((.cse14 (+ 24 |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.offset|))) (or (not (< v_ArrVal_897 |c_#StackHeapBarrier|)) (forall ((v_arrayElimArr_5 (Array Int Int)) (v_prenex_7 Int) (v_subst_4 Int)) (or (not (= (select (select (let ((.cse13 (store .cse7 v_ArrVal_897 v_arrayElimArr_5))) (store .cse13 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse13 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse6 v_prenex_7))) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) .cse14) 0)) (not (= (select v_arrayElimArr_5 v_subst_4) .cse2)))) (= v_ArrVal_897 0) (forall ((v_prenex_8 (Array Int Int)) (v_prenex_6 (Array Int Int))) (not (= (select (select (let ((.cse15 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store .cse10 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| v_ArrVal_897)))) (store (store .cse15 v_ArrVal_897 v_prenex_8) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select (store .cse15 v_ArrVal_897 v_prenex_6) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse6 v_ArrVal_897))) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) .cse14) 0)))))) (forall ((v_ArrVal_897 Int)) (or (not (< v_ArrVal_897 |c_#StackHeapBarrier|)) (forall ((v_arrayElimArr_7 (Array Int Int)) (v_DerPreprocessor_15 Int) (v_subst_4 Int) (v_ArrVal_913 Int) (v_subst_3 Int) (v_subst_1 Int) (v_DerPreprocessor_1 Int)) (let ((.cse16 (store v_arrayElimArr_7 v_subst_3 v_DerPreprocessor_15)) (.cse17 (store (store v_arrayElimArr_7 v_subst_3 v_DerPreprocessor_1) v_subst_4 .cse2))) (or (not (= v_DerPreprocessor_15 (select (store .cse16 v_subst_1 .cse2) v_subst_3))) (not (= .cse17 (store (store .cse16 v_subst_1 (select .cse17 v_subst_1)) v_subst_4 .cse2))) (not (= (select (select (let ((.cse18 (store .cse7 v_ArrVal_897 v_arrayElimArr_7))) (store .cse18 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse18 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse6 v_ArrVal_913))) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.offset|) 0)) (not (= v_DerPreprocessor_1 (select .cse17 v_subst_3))) (not (= .cse2 (select v_arrayElimArr_7 v_subst_3)))))) (= v_ArrVal_897 0) (forall ((v_ArrVal_910 (Array Int Int)) (v_ArrVal_909 (Array Int Int))) (not (= (select (select (let ((.cse19 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store .cse10 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| v_ArrVal_897)))) (store (store .cse19 v_ArrVal_897 v_ArrVal_909) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select (store .cse19 v_ArrVal_897 v_ArrVal_910) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse6 v_ArrVal_897))) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.offset|) 0))))) (forall ((v_ArrVal_897 Int)) (or (not (< v_ArrVal_897 |c_#StackHeapBarrier|)) (forall ((v_prenex_4 (Array Int Int)) (v_prenex_5 (Array Int Int))) (= (select (select (let ((.cse20 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store .cse10 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| v_ArrVal_897)))) (store (store .cse20 v_ArrVal_897 v_prenex_5) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select (store .cse20 v_ArrVal_897 v_prenex_4) |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse6 v_ArrVal_897))) |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base|) .cse8) 0)) (= v_ArrVal_897 0))) (or (not (= |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.base| 0)) (not (= 0 |c_ULTIMATE.start_aws_linked_list_push_back_harness_~#list~0#1.offset|))))) is different from false [2022-11-25 23:26:22,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,524 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:22,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 53 [2022-11-25 23:26:22,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:22,570 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:22,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 53 [2022-11-25 23:26:22,599 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:22,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 220 treesize of output 190 [2022-11-25 23:26:22,633 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:22,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 187 treesize of output 181 [2022-11-25 23:26:23,352 INFO L321 Elim1Store]: treesize reduction 404, result has 26.4 percent of original size [2022-11-25 23:26:23,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 481 treesize of output 640 [2022-11-25 23:26:23,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 148 [2022-11-25 23:26:23,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 148 treesize of output 146 [2022-11-25 23:26:27,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:32,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:32,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:32,130 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:32,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:32,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:32,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:32,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:32,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:32,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:32,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:32,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:32,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-25 23:26:38,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:38,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:26:38,833 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:26:38,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 8809 treesize of output 8729