./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 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_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/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_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/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_e020668c-f900-49b6-bc5a-51ddc43d1735/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_e020668c-f900-49b6-bc5a-51ddc43d1735/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 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-2329fc7 [2022-12-14 04:42:31,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:42:31,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:42:31,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:42:31,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:42:31,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:42:31,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:42:31,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:42:31,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:42:31,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:42:31,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:42:31,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:42:31,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:42:31,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:42:31,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:42:31,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:42:31,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:42:31,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:42:31,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:42:31,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:42:31,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:42:31,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:42:31,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:42:31,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:42:31,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:42:31,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:42:31,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:42:31,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:42:31,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:42:31,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:42:31,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:42:31,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:42:31,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:42:31,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:42:31,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:42:31,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:42:31,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:42:31,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:42:31,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:42:31,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:42:31,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:42:31,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 04:42:31,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:42:31,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:42:31,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:42:31,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:42:31,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:42:31,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:42:31,127 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:42:31,127 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:42:31,127 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:42:31,128 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:42:31,128 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:42:31,128 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:42:31,128 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:42:31,128 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:42:31,128 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:42:31,129 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:42:31,129 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:42:31,129 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:42:31,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:42:31,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:42:31,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:42:31,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:42:31,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:42:31,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:42:31,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:42:31,130 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:42:31,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:42:31,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:42:31,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:42:31,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:42:31,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:42:31,131 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:42:31,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:42:31,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:42:31,132 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:42:31,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:42:31,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:42:31,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:42:31,132 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_e020668c-f900-49b6-bc5a-51ddc43d1735/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d155cc00d5c2ba6f5ef1d5e883c6d133605de01ed97e4300960f893025d81fd1 [2022-12-14 04:42:31,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:42:31,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:42:31,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:42:31,340 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:42:31,341 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:42:31,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i [2022-12-14 04:42:33,888 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:42:34,149 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:42:34,149 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i [2022-12-14 04:42:34,167 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/data/ff663e9c8/45e5157072d848fe87677f6ac6ebc997/FLAGf9ec1207c [2022-12-14 04:42:34,178 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/data/ff663e9c8/45e5157072d848fe87677f6ac6ebc997 [2022-12-14 04:42:34,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:42:34,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:42:34,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:42:34,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:42:34,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:42:34,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:42:34" (1/1) ... [2022-12-14 04:42:34,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d19110f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:34, skipping insertion in model container [2022-12-14 04:42:34,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:42:34" (1/1) ... [2022-12-14 04:42:34,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:42:34,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:42:34,428 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_e020668c-f900-49b6-bc5a-51ddc43d1735/sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i[4499,4512] [2022-12-14 04:42:34,434 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_e020668c-f900-49b6-bc5a-51ddc43d1735/sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i[4559,4572] [2022-12-14 04:42:34,977 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 04:42:34,981 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:34,982 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:34,982 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:34,983 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:34,984 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:34,993 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:34,994 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:34,995 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:34,995 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:34,997 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:34,997 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:34,998 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:34,998 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,050 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:42:35,051 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:42:35,051 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:42:35,055 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:42:35,056 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:42:35,057 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:42:35,291 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:42:35,291 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:42:35,292 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:42:35,293 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:42:35,294 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:42:35,295 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:42:35,306 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:42:35,307 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:42:35,307 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:42:35,308 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:42:35,308 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:42:35,417 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:42:35,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:42:35,454 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:42:35,465 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_e020668c-f900-49b6-bc5a-51ddc43d1735/sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i[4499,4512] [2022-12-14 04:42:35,465 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_e020668c-f900-49b6-bc5a-51ddc43d1735/sv-benchmarks/c/aws-c-common/aws_linked_list_push_back_harness.i[4559,4572] [2022-12-14 04:42:35,505 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 04:42:35,509 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,509 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,510 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,510 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,511 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,520 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,520 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,521 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,521 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,522 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,523 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,523 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,523 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 04:42:35,529 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:42:35,530 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:42:35,530 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 04:42:35,533 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 04:42:35,535 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 04:42:35,535 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 04:42:35,552 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 04:42:35,553 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 04:42:35,554 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 04:42:35,554 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 04:42:35,555 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 04:42:35,556 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 04:42:35,556 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 04:42:35,557 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 04:42:35,557 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 04:42:35,558 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 04:42:35,558 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 04:42:35,575 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 04:42:35,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:42:35,701 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:42:35,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35 WrapperNode [2022-12-14 04:42:35,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:42:35,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:42:35,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:42:35,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:42:35,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35" (1/1) ... [2022-12-14 04:42:35,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35" (1/1) ... [2022-12-14 04:42:35,769 INFO L138 Inliner]: procedures = 679, calls = 1047, calls flagged for inlining = 52, calls inlined = 6, statements flattened = 149 [2022-12-14 04:42:35,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:42:35,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:42:35,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:42:35,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:42:35,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35" (1/1) ... [2022-12-14 04:42:35,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35" (1/1) ... [2022-12-14 04:42:35,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35" (1/1) ... [2022-12-14 04:42:35,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35" (1/1) ... [2022-12-14 04:42:35,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35" (1/1) ... [2022-12-14 04:42:35,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35" (1/1) ... [2022-12-14 04:42:35,793 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35" (1/1) ... [2022-12-14 04:42:35,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35" (1/1) ... [2022-12-14 04:42:35,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:42:35,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:42:35,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:42:35,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:42:35,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35" (1/1) ... [2022-12-14 04:42:35,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:42:35,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:42:35,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:42:35,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:42:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 04:42:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 04:42:35,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 04:42:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2022-12-14 04:42:35,857 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2022-12-14 04:42:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 04:42:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2022-12-14 04:42:35,857 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2022-12-14 04:42:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:42:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 04:42:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_insert_before [2022-12-14 04:42:35,858 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_insert_before [2022-12-14 04:42:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:42:35,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:42:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 04:42:35,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 04:42:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 04:42:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 04:42:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 04:42:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 04:42:35,858 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 04:42:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2022-12-14 04:42:35,858 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2022-12-14 04:42:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:42:36,040 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:42:36,042 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:42:36,275 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:42:36,359 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:42:36,359 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 04:42:36,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:42:36 BoogieIcfgContainer [2022-12-14 04:42:36,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:42:36,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:42:36,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:42:36,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:42:36,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:42:34" (1/3) ... [2022-12-14 04:42:36,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2330a6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:42:36, skipping insertion in model container [2022-12-14 04:42:36,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:42:35" (2/3) ... [2022-12-14 04:42:36,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2330a6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:42:36, skipping insertion in model container [2022-12-14 04:42:36,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:42:36" (3/3) ... [2022-12-14 04:42:36,368 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_linked_list_push_back_harness.i [2022-12-14 04:42:36,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:42:36,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 04:42:36,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:42:36,422 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;@122141db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:42:36,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 04:42:36,425 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) [2022-12-14 04:42:36,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 04:42:36,432 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:36,432 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] [2022-12-14 04:42:36,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:42:36,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:36,436 INFO L85 PathProgramCache]: Analyzing trace with hash 520735072, now seen corresponding path program 1 times [2022-12-14 04:42:36,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:42:36,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964361017] [2022-12-14 04:42:36,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:36,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:42:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:37,205 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 04:42:37,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:42:37,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964361017] [2022-12-14 04:42:37,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964361017] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:42:37,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559347888] [2022-12-14 04:42:37,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:37,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:42:37,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:42:37,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:42:37,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 04:42:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:37,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 72 conjunts are in the unsatisfiable core [2022-12-14 04:42:37,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:37,548 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 [2022-12-14 04:42:37,558 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 [2022-12-14 04:42:37,622 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 [2022-12-14 04:42:37,635 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 [2022-12-14 04:42:38,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:38,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:38,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:38,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:38,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:38,692 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 04:42:38,692 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 [2022-12-14 04:42:38,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:38,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:38,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:38,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:38,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:38,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:38,708 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 04:42:38,709 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 [2022-12-14 04:42:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 04:42:38,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 04:42:38,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559347888] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:42:38,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 04:42:38,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2022-12-14 04:42:38,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035270469] [2022-12-14 04:42:38,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:42:38,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 04:42:38,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:42:38,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 04:42:38,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 04:42:38,759 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) [2022-12-14 04:42:39,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:42:39,371 INFO L93 Difference]: Finished difference Result 168 states and 242 transitions. [2022-12-14 04:42:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 04:42:39,373 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 [2022-12-14 04:42:39,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:42:39,380 INFO L225 Difference]: With dead ends: 168 [2022-12-14 04:42:39,380 INFO L226 Difference]: Without dead ends: 100 [2022-12-14 04:42:39,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-12-14 04:42:39,385 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 39 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 04:42:39,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 382 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 04:42:39,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-12-14 04:42:39,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2022-12-14 04:42:39,427 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) [2022-12-14 04:42:39,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 134 transitions. [2022-12-14 04:42:39,431 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 134 transitions. Word has length 42 [2022-12-14 04:42:39,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:42:39,432 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 134 transitions. [2022-12-14 04:42:39,432 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) [2022-12-14 04:42:39,432 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 134 transitions. [2022-12-14 04:42:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 04:42:39,434 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:42:39,435 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] [2022-12-14 04:42:39,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 04:42:39,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 04:42:39,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 04:42:39,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:42:39,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1892869122, now seen corresponding path program 1 times [2022-12-14 04:42:39,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:42:39,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403402545] [2022-12-14 04:42:39,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:39,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:42:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 04:42:40,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:42:40,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403402545] [2022-12-14 04:42:40,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403402545] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 04:42:40,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395686573] [2022-12-14 04:42:40,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:42:40,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 04:42:40,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:42:40,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 04:42:40,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e020668c-f900-49b6-bc5a-51ddc43d1735/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 04:42:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:42:40,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 93 conjunts are in the unsatisfiable core [2022-12-14 04:42:40,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 04:42:40,498 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 [2022-12-14 04:42:40,520 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 [2022-12-14 04:42:40,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:40,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:40,579 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 [2022-12-14 04:42:40,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:40,585 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 [2022-12-14 04:42:40,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:40,600 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 [2022-12-14 04:42:40,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:40,606 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 [2022-12-14 04:42:40,691 INFO L321 Elim1Store]: treesize reduction 38, result has 22.4 percent of original size [2022-12-14 04:42:40,691 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 [2022-12-14 04:42:40,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:40,700 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 [2022-12-14 04:42:40,705 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 [2022-12-14 04:42:40,715 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 [2022-12-14 04:42:40,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:40,728 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 [2022-12-14 04:42:40,732 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 [2022-12-14 04:42:41,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:41,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:41,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:41,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:41,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:41,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:41,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:41,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:41,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:41,674 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 04:42:41,675 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 [2022-12-14 04:42:41,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:41,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:41,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:41,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:41,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:41,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:41,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 04:42:41,700 INFO L321 Elim1Store]: treesize reduction 126, result has 0.8 percent of original size [2022-12-14 04:42:41,700 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 [2022-12-14 04:42:41,707 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 04:42:41,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 04:42:43,854 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 [2022-12-14 04:42:44,262 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:42:44,263 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 [2022-12-14 04:42:44,342 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-14 04:42:44,342 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 [2022-12-14 04:42:44,375 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-14 04:42:44,375 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 [2022-12-14 04:42:44,422 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-14 04:42:44,422 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 [2022-12-14 04:42:44,456 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-14 04:42:44,457 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 [2022-12-14 04:42:44,482 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-14 04:42:44,482 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 [2022-12-14 04:42:44,519 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2022-12-14 04:42:44,519 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 [2022-12-14 04:42:44,928 INFO L321 Elim1Store]: treesize reduction 78, result has 16.1 percent of original size [2022-12-14 04:42:44,929 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 [2022-12-14 04:42:45,189 INFO L321 Elim1Store]: treesize reduction 191, result has 36.5 percent of original size [2022-12-14 04:42:45,189 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 [2022-12-14 04:42:45,386 INFO L321 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2022-12-14 04:42:45,386 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 [2022-12-14 04:42:45,412 INFO L321 Elim1Store]: treesize reduction 36, result has 32.1 percent of original size [2022-12-14 04:42:45,413 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 [2022-12-14 04:42:45,427 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 04:42:45,427 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 [2022-12-14 04:42:45,591 INFO L321 Elim1Store]: treesize reduction 191, result has 36.5 percent of original size [2022-12-14 04:42:45,591 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 [2022-12-14 04:42:45,976 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 [2022-12-14 04:42:46,143 INFO L321 Elim1Store]: treesize reduction 195, result has 35.2 percent of original size [2022-12-14 04:42:46,143 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 [2022-12-14 04:42:46,324 INFO L321 Elim1Store]: treesize reduction 88, result has 16.2 percent of original size [2022-12-14 04:42:46,324 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 [2022-12-14 04:42:46,365 INFO L321 Elim1Store]: treesize reduction 40, result has 38.5 percent of original size [2022-12-14 04:42:46,366 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 [2022-12-14 04:42:46,399 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 [2022-12-14 04:42:46,427 INFO L321 Elim1Store]: treesize reduction 41, result has 26.8 percent of original size [2022-12-14 04:42:46,428 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 [2022-12-14 04:42:46,575 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 [2022-12-14 04:42:46,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:46,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:46,677 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:42:46,677 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 [2022-12-14 04:42:46,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:46,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:46,701 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:42:46,702 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 [2022-12-14 04:42:46,721 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:42:46,721 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 [2022-12-14 04:42:46,743 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:42:46,743 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 [2022-12-14 04:42:47,231 INFO L321 Elim1Store]: treesize reduction 404, result has 26.4 percent of original size [2022-12-14 04:42:47,232 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 [2022-12-14 04:42:47,302 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 [2022-12-14 04:42:47,336 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 [2022-12-14 04:42:50,234 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 [2022-12-14 04:42:53,097 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 [2022-12-14 04:42:53,129 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 [2022-12-14 04:42:53,164 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 [2022-12-14 04:42:53,188 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 [2022-12-14 04:42:53,214 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 [2022-12-14 04:42:53,259 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 [2022-12-14 04:42:53,285 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 [2022-12-14 04:42:53,310 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 [2022-12-14 04:42:53,364 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 [2022-12-14 04:42:53,396 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 [2022-12-14 04:42:53,425 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 [2022-12-14 04:42:53,448 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 [2022-12-14 04:42:57,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:57,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 04:42:57,622 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 04:42:57,625 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