./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_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_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/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_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/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_3c7db2de-e757-4eea-b574-07177ceba200/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 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 --- 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 23:25:17,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:25:17,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:25:17,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:25:17,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:25:17,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:25:17,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:25:17,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:25:17,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:25:17,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:25:17,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:25:17,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:25:17,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:25:17,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:25:17,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:25:17,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:25:17,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:25:17,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:25:17,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:25:17,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:25:17,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:25:17,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:25:17,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:25:17,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:25:17,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:25:17,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:25:17,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:25:17,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:25:17,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:25:17,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:25:17,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:25:17,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:25:17,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:25:17,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:25:17,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:25:17,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:25:17,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:25:17,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:25:17,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:25:17,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:25:17,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:25:17,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:25:17,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:25:17,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:25:17,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:25:17,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:25:17,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:25:17,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:25:17,360 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:25:17,361 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:25:17,361 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:25:17,361 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:25:17,362 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:25:17,363 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:25:17,363 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:25:17,363 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:25:17,363 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:25:17,364 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:25:17,364 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:25:17,364 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:25:17,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:25:17,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:25:17,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:25:17,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:25:17,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:25:17,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:25:17,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:25:17,367 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:25:17,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:25:17,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:25:17,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:25:17,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:25:17,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:25:17,368 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:25:17,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:25:17,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:25:17,369 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:25:17,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:25:17,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:25:17,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:25:17,370 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_3c7db2de-e757-4eea-b574-07177ceba200/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 [2022-11-25 23:25:17,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:25:17,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:25:17,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:25:17,733 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:25:17,733 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:25:17,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2022-11-25 23:25:20,861 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:25:21,371 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:25:21,372 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2022-11-25 23:25:21,415 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/data/8dd235ad9/09c3509acee24d34b2320c0e69be5402/FLAGc37b131ec [2022-11-25 23:25:21,432 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/data/8dd235ad9/09c3509acee24d34b2320c0e69be5402 [2022-11-25 23:25:21,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:25:21,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:25:21,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:25:21,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:25:21,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:25:21,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:25:21" (1/1) ... [2022-11-25 23:25:21,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd632be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:21, skipping insertion in model container [2022-11-25 23:25:21,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:25:21" (1/1) ... [2022-11-25 23:25:21,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:25:21,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:25:21,783 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_3c7db2de-e757-4eea-b574-07177ceba200/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2022-11-25 23:25:21,791 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_3c7db2de-e757-4eea-b574-07177ceba200/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2022-11-25 23:25:22,739 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 23:25:22,829 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,830 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,830 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,831 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,832 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,855 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,856 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,858 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,859 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,861 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,862 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,863 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,863 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:22,960 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:25:22,961 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:25:22,963 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:25:22,982 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 23:25:22,988 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 23:25:22,990 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 23:25:23,314 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 23:25:23,315 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 23:25:23,317 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 23:25:23,318 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 23:25:23,319 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 23:25:23,321 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 23:25:23,321 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 23:25:23,322 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 23:25:23,323 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 23:25:23,323 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 23:25:23,324 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 23:25:23,444 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,451 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,501 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 23:25:23,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:25:23,537 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:25:23,563 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_3c7db2de-e757-4eea-b574-07177ceba200/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2022-11-25 23:25:23,563 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_3c7db2de-e757-4eea-b574-07177ceba200/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2022-11-25 23:25:23,631 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 23:25:23,671 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,672 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,672 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,673 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,674 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,688 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,689 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,694 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,694 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,696 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,697 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,698 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,698 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,722 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:25:23,724 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:25:23,725 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:25:23,739 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 23:25:23,741 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 23:25:23,742 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 23:25:23,781 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 23:25:23,782 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 23:25:23,783 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 23:25:23,784 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 23:25:23,785 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 23:25:23,787 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 23:25:23,789 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 23:25:23,790 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 23:25:23,790 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 23:25:23,792 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 23:25:23,793 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 23:25:23,823 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,831 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:25:23,873 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 23:25:23,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:25:24,128 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:25:24,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24 WrapperNode [2022-11-25 23:25:24,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:25:24,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:25:24,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:25:24,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:25:24,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24" (1/1) ... [2022-11-25 23:25:24,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24" (1/1) ... [2022-11-25 23:25:24,287 INFO L138 Inliner]: procedures = 690, calls = 1578, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 584 [2022-11-25 23:25:24,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:25:24,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:25:24,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:25:24,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:25:24,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24" (1/1) ... [2022-11-25 23:25:24,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24" (1/1) ... [2022-11-25 23:25:24,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24" (1/1) ... [2022-11-25 23:25:24,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24" (1/1) ... [2022-11-25 23:25:24,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24" (1/1) ... [2022-11-25 23:25:24,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24" (1/1) ... [2022-11-25 23:25:24,336 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24" (1/1) ... [2022-11-25 23:25:24,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24" (1/1) ... [2022-11-25 23:25:24,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:25:24,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:25:24,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:25:24,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:25:24,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24" (1/1) ... [2022-11-25 23:25:24,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:25:24,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:25:24,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:25:24,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:25:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:25:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-25 23:25:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-25 23:25:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-25 23:25:24,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-25 23:25:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-25 23:25:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-25 23:25:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-25 23:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-25 23:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:25:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 23:25:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 23:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-25 23:25:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-25 23:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 23:25:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 23:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2022-11-25 23:25:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2022-11-25 23:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-25 23:25:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-25 23:25:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-25 23:25:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-25 23:25:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:25:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:25:24,822 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:25:24,824 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:25:25,737 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:25:25,930 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:25:25,933 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:25:25,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:25:25 BoogieIcfgContainer [2022-11-25 23:25:25,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:25:25,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:25:25,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:25:25,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:25:25,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:25:21" (1/3) ... [2022-11-25 23:25:25,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a75d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:25:25, skipping insertion in model container [2022-11-25 23:25:25,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:25:24" (2/3) ... [2022-11-25 23:25:25,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a75d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:25:25, skipping insertion in model container [2022-11-25 23:25:25,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:25:25" (3/3) ... [2022-11-25 23:25:25,955 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness.i [2022-11-25 23:25:25,983 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:25:25,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:25:26,051 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:25:26,063 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;@60d2f4c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:25:26,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:25:26,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 40 states have (on average 1.15) internal successors, (46), 41 states have internal predecessors, (46), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-25 23:25:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-25 23:25:26,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:26,084 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:25:26,084 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:26,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:26,093 INFO L85 PathProgramCache]: Analyzing trace with hash 92682918, now seen corresponding path program 1 times [2022-11-25 23:25:26,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:26,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375271390] [2022-11-25 23:25:26,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:26,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-25 23:25:27,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:27,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375271390] [2022-11-25 23:25:27,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375271390] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:25:27,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501157257] [2022-11-25 23:25:27,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:27,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:27,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:25:27,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:25:27,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:25:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:27,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:25:27,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:25:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-25 23:25:27,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:25:27,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501157257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:27,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:25:27,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-25 23:25:27,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447338750] [2022-11-25 23:25:27,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:27,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:25:27,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:27,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:25:27,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:25:27,993 INFO L87 Difference]: Start difference. First operand has 78 states, 40 states have (on average 1.15) internal successors, (46), 41 states have internal predecessors, (46), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:25:28,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:28,386 INFO L93 Difference]: Finished difference Result 130 states and 170 transitions. [2022-11-25 23:25:28,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:25:28,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-25 23:25:28,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:28,398 INFO L225 Difference]: With dead ends: 130 [2022-11-25 23:25:28,398 INFO L226 Difference]: Without dead ends: 78 [2022-11-25 23:25:28,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:25:28,405 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 17 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:28,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 230 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:25:28,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-25 23:25:28,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-25 23:25:28,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 40 states have (on average 1.125) internal successors, (45), 42 states have internal predecessors, (45), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2022-11-25 23:25:28,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2022-11-25 23:25:28,454 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 47 [2022-11-25 23:25:28,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:28,455 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2022-11-25 23:25:28,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:25:28,455 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2022-11-25 23:25:28,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-25 23:25:28,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:28,460 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:28,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:25:28,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:28,669 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:28,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:28,670 INFO L85 PathProgramCache]: Analyzing trace with hash 278143664, now seen corresponding path program 1 times [2022-11-25 23:25:28,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:28,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747722787] [2022-11-25 23:25:28,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:28,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:28,775 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:25:28,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1422501428] [2022-11-25 23:25:28,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:28,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:28,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:25:28,778 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:25:28,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:25:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:29,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:25:29,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:25:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 23:25:29,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:25:29,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:29,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747722787] [2022-11-25 23:25:29,393 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:25:29,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422501428] [2022-11-25 23:25:29,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422501428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:29,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:29,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 23:25:29,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173708285] [2022-11-25 23:25:29,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:29,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:25:29,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:29,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:25:29,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:25:29,397 INFO L87 Difference]: Start difference. First operand 78 states and 96 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-25 23:25:29,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:29,851 INFO L93 Difference]: Finished difference Result 123 states and 149 transitions. [2022-11-25 23:25:29,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:25:29,852 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 56 [2022-11-25 23:25:29,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:29,854 INFO L225 Difference]: With dead ends: 123 [2022-11-25 23:25:29,854 INFO L226 Difference]: Without dead ends: 76 [2022-11-25 23:25:29,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:25:29,856 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 21 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:29,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 334 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:25:29,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-25 23:25:29,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-25 23:25:29,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-25 23:25:29,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2022-11-25 23:25:29,873 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 56 [2022-11-25 23:25:29,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:29,873 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2022-11-25 23:25:29,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-25 23:25:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2022-11-25 23:25:29,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-25 23:25:29,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:29,880 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:25:29,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:25:30,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:30,089 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:25:30,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:30,089 INFO L85 PathProgramCache]: Analyzing trace with hash 262676056, now seen corresponding path program 1 times [2022-11-25 23:25:30,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:30,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196230691] [2022-11-25 23:25:30,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:30,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:30,177 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:25:30,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1150130185] [2022-11-25 23:25:30,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:30,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:25:30,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:25:30,179 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:25:30,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c7db2de-e757-4eea-b574-07177ceba200/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:25:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:30,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 296 conjunts are in the unsatisfiable core [2022-11-25 23:25:30,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:25:30,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:25:31,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-25 23:25:31,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:31,531 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-25 23:25:32,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:25:33,614 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:25:33,615 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 6 case distinctions, treesize of input 32 treesize of output 37 [2022-11-25 23:25:33,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-25 23:25:33,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-25 23:25:34,007 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-25 23:25:34,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-25 23:25:35,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:35,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:35,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:35,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 185 [2022-11-25 23:25:35,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:35,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 121 [2022-11-25 23:25:35,810 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:25:35,810 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 96 [2022-11-25 23:25:35,900 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-25 23:25:35,901 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 111 [2022-11-25 23:25:38,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 81 [2022-11-25 23:25:38,285 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 19 treesize of output 17 [2022-11-25 23:25:38,336 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:25:38,337 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 2 case distinctions, treesize of input 101 treesize of output 81 [2022-11-25 23:25:38,350 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 19 treesize of output 17 [2022-11-25 23:25:38,418 INFO L321 Elim1Store]: treesize reduction 39, result has 7.1 percent of original size [2022-11-25 23:25:38,419 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 101 treesize of output 79 [2022-11-25 23:25:38,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:38,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:38,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:38,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 54 [2022-11-25 23:25:39,342 INFO L321 Elim1Store]: treesize reduction 25, result has 26.5 percent of original size [2022-11-25 23:25:39,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 30 [2022-11-25 23:25:39,368 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 21 treesize of output 13 [2022-11-25 23:25:39,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2022-11-25 23:25:39,504 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:25:39,505 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 1 case distinctions, treesize of input 23 treesize of output 13 [2022-11-25 23:25:39,548 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:25:40,269 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-25 23:25:40,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 9 [2022-11-25 23:25:42,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2022-11-25 23:25:42,505 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 23:25:46,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:46,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:46,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:25:46,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 65 [2022-11-25 23:25:46,157 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 13 treesize of output 9 [2022-11-25 23:26:09,570 INFO L321 Elim1Store]: treesize reduction 54, result has 28.9 percent of original size [2022-11-25 23:26:09,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 308 treesize of output 376 [2022-11-25 23:26:09,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 263 [2022-11-25 23:26:09,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 239 [2022-11-25 23:26:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:26:10,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:26:27,174 WARN L233 SmtUtils]: Spent 16.40s on a formula simplification that was a NOOP. DAG size: 225 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:26:38,288 WARN L233 SmtUtils]: Spent 11.11s on a formula simplification that was a NOOP. DAG size: 173 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:27:14,311 WARN L233 SmtUtils]: Spent 35.99s on a formula simplification. DAG size of input: 396 DAG size of output: 193 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:27:52,082 WARN L233 SmtUtils]: Spent 37.77s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:28:40,092 WARN L233 SmtUtils]: Spent 9.68s on a formula simplification. DAG size of input: 74 DAG size of output: 65 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:28:40,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:28:40,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196230691] [2022-11-25 23:28:40,094 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:28:40,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150130185] [2022-11-25 23:28:40,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150130185] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:28:40,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1019871534] [2022-11-25 23:28:40,116 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2022-11-25 23:28:40,116 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:28:40,120 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:28:40,126 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:28:40,126 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:28:42,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:43,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:43,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:28:43,349 INFO L217 Elim1Store]: Index analysis took 499 ms [2022-11-25 23:29:01,223 WARN L233 SmtUtils]: Spent 17.81s on a formula simplification. DAG size of input: 1740 DAG size of output: 1157 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:29:01,226 INFO L321 Elim1Store]: treesize reduction 1938, result has 47.2 percent of original size [2022-11-25 23:29:01,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19114 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 193 case distinctions, treesize of input 987 treesize of output 2338 [2022-11-25 23:29:04,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:04,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:05,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:29:05,383 INFO L217 Elim1Store]: Index analysis took 934 ms [2022-11-25 23:29:34,992 WARN L233 SmtUtils]: Spent 29.55s on a formula simplification. DAG size of input: 2128 DAG size of output: 1161 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-25 23:29:34,995 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-11-25 23:29:35,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19310 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 386 case distinctions, treesize of input 997 treesize of output 2357 [2022-11-25 23:31:39,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:31:40,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,697 INFO L217 Elim1Store]: Index analysis took 124 ms [2022-11-25 23:31:40,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:40,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:40,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:40,889 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-25 23:31:40,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 196 select indices, 196 select index equivalence classes, 17055 disjoint index pairs (out of 19110 index pairs), introduced 195 new quantified variables, introduced 28 case distinctions, treesize of input 1795 treesize of output 2363 [2022-11-25 23:31:43,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:43,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:43,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:43,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:43,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:43,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:43,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:43,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:43,707 INFO L217 Elim1Store]: Index analysis took 130 ms [2022-11-25 23:31:43,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 196 select indices, 196 select index equivalence classes, 17052 disjoint index pairs (out of 19110 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1795 treesize of output 2363 [2022-11-25 23:31:47,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:31:47,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:31:47,223 INFO L217 Elim1Store]: Index analysis took 116 ms [2022-11-25 23:31:47,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 57 select indices, 57 select index equivalence classes, 1247 disjoint index pairs (out of 1596 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 681 treesize of output 804 [2022-11-25 23:31:57,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:31:57,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:31:57,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:31:57,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:31:57,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-25 23:31:57,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:31:57,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:31:57,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:31:57,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:31:57,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:31:57,922 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:31:57,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-25 23:31:57,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:31:58,002 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:31:58,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-25 23:31:58,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:31:58,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:32:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,110 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:32:01,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 1249 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 6 case distinctions, treesize of input 666 treesize of output 314 [2022-11-25 23:32:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,568 INFO L217 Elim1Store]: Index analysis took 138 ms [2022-11-25 23:32:01,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:01,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:01,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:01,665 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 23:32:01,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1774 treesize of output 610 [2022-11-25 23:32:02,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:02,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:02,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:02,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-25 23:32:02,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:02,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:02,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:02,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-25 23:32:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:03,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:03,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:03,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:03,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:03,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:03,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:03,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17052 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-25 23:32:12,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,542 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:32:12,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 1249 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 6 case distinctions, treesize of input 666 treesize of output 314 [2022-11-25 23:32:12,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:12,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:13,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:13,048 INFO L217 Elim1Store]: Index analysis took 129 ms [2022-11-25 23:32:13,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:13,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:13,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:13,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:13,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:13,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:13,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:13,126 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:32:13,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-25 23:32:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,320 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:32:14,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19305 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 2 case distinctions, treesize of input 986 treesize of output 592 [2022-11-25 23:32:14,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:14,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:14,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:32:14,914 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 23:32:14,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1774 treesize of output 610 [2022-11-25 23:32:15,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:15,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:15,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:15,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-25 23:32:16,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:16,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:32:48,166 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_clear with input of size 115 for LOIs [2022-11-25 23:32:48,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-25 23:32:48,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-11-25 23:32:48,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-11-25 23:32:48,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-25 23:32:48,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-25 23:32:48,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-25 23:32:48,691 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:32:48,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-25 23:32:48,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-25 23:32:48,744 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-25 23:32:49,765 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-11-25 23:32:49,776 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-11-25 23:32:56,083 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-11-25 23:32:56,085 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 76 for LOIs [2022-11-25 23:32:56,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 23:32:56,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:32:56,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:32:56,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:32:56,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:56,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:56,313 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:32:56,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-25 23:32:56,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:32:56,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-25 23:32:56,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:32:56,482 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:32:56,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-25 23:32:56,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 23:32:56,848 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2819 for LOIs [2022-11-25 23:33:00,003 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 139 for LOIs [2022-11-25 23:33:00,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:33:00,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:33:00,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-25 23:33:00,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-25 23:33:00,482 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 125 for LOIs [2022-11-25 23:33:00,550 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:35:34,104 WARN L233 SmtUtils]: Spent 2.48m on a formula simplification. DAG size of input: 2815 DAG size of output: 2431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 23:38:23,956 WARN L233 SmtUtils]: Spent 2.75m on a formula simplification. DAG size of input: 2819 DAG size of output: 2435 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)