./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_length_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_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/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_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/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_57b8aa65-5e10-496b-9eab-26c9574e31bc/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 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 --- 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 23:14:57,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:14:57,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:14:57,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:14:57,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:14:57,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:14:57,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:14:57,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:14:57,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:14:57,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:14:57,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:14:57,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:14:57,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:14:57,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:14:57,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:14:57,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:14:57,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:14:57,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:14:57,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:14:57,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:14:57,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:14:57,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:14:57,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:14:57,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:14:57,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:14:57,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:14:57,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:14:57,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:14:57,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:14:57,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:14:57,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:14:57,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:14:57,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:14:57,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:14:57,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:14:57,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:14:57,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:14:57,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:14:57,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:14:57,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:14:57,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:14:57,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:14:57,141 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:14:57,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:14:57,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:14:57,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:14:57,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:14:57,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:14:57,143 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:14:57,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:14:57,143 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:14:57,143 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:14:57,144 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:14:57,144 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:14:57,144 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:14:57,144 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:14:57,144 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:14:57,145 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:14:57,145 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:14:57,145 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:14:57,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:14:57,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:14:57,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:14:57,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:14:57,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:14:57,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:14:57,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:14:57,147 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:14:57,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:14:57,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:14:57,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:14:57,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:14:57,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:14:57,149 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:14:57,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:14:57,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:14:57,149 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:14:57,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:14:57,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:14:57,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:14:57,150 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_57b8aa65-5e10-496b-9eab-26c9574e31bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53c422310795c2e7f5b0f72e5a73eee871aa1645d7b73c98001e28d2bf239333 [2022-11-25 23:14:57,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:14:57,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:14:57,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:14:57,474 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:14:57,474 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:14:57,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2022-11-25 23:15:00,438 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:15:00,995 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:15:00,995 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i [2022-11-25 23:15:01,040 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/data/a6cf0d115/dbba046d54b24d1f8bd815056ba34d5e/FLAGde40d1231 [2022-11-25 23:15:01,059 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/data/a6cf0d115/dbba046d54b24d1f8bd815056ba34d5e [2022-11-25 23:15:01,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:15:01,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:15:01,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:15:01,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:15:01,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:15:01,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:01,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e80054b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:01, skipping insertion in model container [2022-11-25 23:15:01,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:15:01" (1/1) ... [2022-11-25 23:15:01,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:15:01,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:15:01,418 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_57b8aa65-5e10-496b-9eab-26c9574e31bc/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2022-11-25 23:15:01,426 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_57b8aa65-5e10-496b-9eab-26c9574e31bc/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2022-11-25 23:15:02,385 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 23:15:02,485 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,486 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,486 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,487 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,488 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,501 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,502 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,504 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,504 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,506 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,507 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,508 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,509 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:02,613 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:15:02,613 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:15:02,615 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:15:02,632 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 23:15:02,639 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 23:15:02,642 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 23:15:02,928 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 23:15:02,930 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 23:15:02,946 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 23:15:02,947 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 23:15:02,949 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 23:15:02,950 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 23:15:02,951 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 23:15:02,952 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 23:15:02,952 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 23:15:02,953 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 23:15:02,954 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 23:15:03,114 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,121 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,218 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 23:15:03,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:15:03,298 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:15:03,327 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_57b8aa65-5e10-496b-9eab-26c9574e31bc/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4495,4508] [2022-11-25 23:15:03,327 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_57b8aa65-5e10-496b-9eab-26c9574e31bc/sv-benchmarks/c/aws-c-common/aws_array_list_length_harness.i[4555,4568] [2022-11-25 23:15:03,379 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-25 23:15:03,405 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,406 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,406 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,407 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,407 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,413 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,414 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,415 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,416 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,417 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,417 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,418 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,418 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,427 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:15:03,427 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:15:03,428 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-25 23:15:03,431 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-25 23:15:03,432 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-25 23:15:03,432 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-25 23:15:03,452 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-25 23:15:03,452 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-25 23:15:03,453 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-25 23:15:03,454 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-25 23:15:03,455 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-25 23:15:03,455 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-25 23:15:03,456 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-25 23:15:03,456 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-25 23:15:03,457 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-25 23:15:03,457 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-25 23:15:03,458 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-25 23:15:03,481 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,486 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-25 23:15:03,506 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-25 23:15:03,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:15:03,753 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:15:03,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03 WrapperNode [2022-11-25 23:15:03,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:15:03,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:15:03,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:15:03,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:15:03,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03" (1/1) ... [2022-11-25 23:15:03,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03" (1/1) ... [2022-11-25 23:15:03,908 INFO L138 Inliner]: procedures = 690, calls = 1681, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 590 [2022-11-25 23:15:03,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:15:03,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:15:03,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:15:03,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:15:03,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03" (1/1) ... [2022-11-25 23:15:03,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03" (1/1) ... [2022-11-25 23:15:03,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03" (1/1) ... [2022-11-25 23:15:03,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03" (1/1) ... [2022-11-25 23:15:03,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03" (1/1) ... [2022-11-25 23:15:04,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03" (1/1) ... [2022-11-25 23:15:04,012 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03" (1/1) ... [2022-11-25 23:15:04,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03" (1/1) ... [2022-11-25 23:15:04,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:15:04,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:15:04,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:15:04,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:15:04,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03" (1/1) ... [2022-11-25 23:15:04,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:15:04,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:04,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:15:04,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:15:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:15:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-25 23:15:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-25 23:15:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-25 23:15:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-25 23:15:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-25 23:15:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-25 23:15:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:15:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-25 23:15:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-25 23:15:04,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-25 23:15:04,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-25 23:15:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:15:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:15:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:15:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:15:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:15:04,133 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-25 23:15:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-25 23:15:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-25 23:15:04,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-25 23:15:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-25 23:15:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-25 23:15:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-25 23:15:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-25 23:15:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 23:15:04,136 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 23:15:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:15:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:15:04,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:15:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-25 23:15:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-25 23:15:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-25 23:15:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-25 23:15:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:15:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-25 23:15:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-25 23:15:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:15:04,455 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:15:04,457 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:15:05,493 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:15:05,686 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:15:05,686 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:15:05,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:15:05 BoogieIcfgContainer [2022-11-25 23:15:05,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:15:05,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:15:05,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:15:05,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:15:05,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:15:01" (1/3) ... [2022-11-25 23:15:05,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba45137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:15:05, skipping insertion in model container [2022-11-25 23:15:05,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:15:03" (2/3) ... [2022-11-25 23:15:05,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ba45137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:15:05, skipping insertion in model container [2022-11-25 23:15:05,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:15:05" (3/3) ... [2022-11-25 23:15:05,707 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_length_harness.i [2022-11-25 23:15:05,725 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:15:05,725 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:15:05,790 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:15:05,801 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;@4e278e24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:15:05,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:15:05,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-25 23:15:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-25 23:15:05,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:05,818 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:05,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:05,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:05,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1440173234, now seen corresponding path program 1 times [2022-11-25 23:15:05,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:05,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762321444] [2022-11-25 23:15:05,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:05,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:06,790 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-25 23:15:06,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:06,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762321444] [2022-11-25 23:15:06,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762321444] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:15:06,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395185849] [2022-11-25 23:15:06,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:06,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:06,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:06,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:06,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:15:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:07,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 2050 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:15:07,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:07,478 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 23:15:07,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:15:07,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395185849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:07,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:15:07,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-25 23:15:07,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553256013] [2022-11-25 23:15:07,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:07,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:15:07,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:07,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:15:07,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:15:07,518 INFO L87 Difference]: Start difference. First operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 23:15:08,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:08,110 INFO L93 Difference]: Finished difference Result 169 states and 225 transitions. [2022-11-25 23:15:08,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:15:08,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 56 [2022-11-25 23:15:08,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:08,125 INFO L225 Difference]: With dead ends: 169 [2022-11-25 23:15:08,125 INFO L226 Difference]: Without dead ends: 95 [2022-11-25 23:15:08,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 54 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 23:15:08,137 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 22 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:08,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 348 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 23:15:08,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-25 23:15:08,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-25 23:15:08,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 51 states have (on average 1.1176470588235294) internal successors, (57), 53 states have internal predecessors, (57), 30 states have call successors, (30), 13 states have call predecessors, (30), 13 states have return successors, (30), 28 states have call predecessors, (30), 28 states have call successors, (30) [2022-11-25 23:15:08,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 117 transitions. [2022-11-25 23:15:08,214 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 117 transitions. Word has length 56 [2022-11-25 23:15:08,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:08,215 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 117 transitions. [2022-11-25 23:15:08,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-25 23:15:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 117 transitions. [2022-11-25 23:15:08,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-25 23:15:08,221 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:08,222 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:08,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:08,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:08,434 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:08,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:08,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1582919181, now seen corresponding path program 1 times [2022-11-25 23:15:08,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:08,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430097580] [2022-11-25 23:15:08,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:08,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:08,533 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:15:08,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [489587425] [2022-11-25 23:15:08,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:08,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:08,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:08,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:08,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:15:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:09,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 2182 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:15:09,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 23:15:09,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:15:09,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:15:09,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430097580] [2022-11-25 23:15:09,175 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:15:09,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489587425] [2022-11-25 23:15:09,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489587425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:15:09,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:15:09,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 23:15:09,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972677469] [2022-11-25 23:15:09,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:15:09,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:15:09,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:15:09,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:15:09,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:15:09,179 INFO L87 Difference]: Start difference. First operand 95 states and 117 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-25 23:15:09,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:15:09,640 INFO L93 Difference]: Finished difference Result 148 states and 179 transitions. [2022-11-25 23:15:09,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:15:09,644 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 65 [2022-11-25 23:15:09,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:15:09,646 INFO L225 Difference]: With dead ends: 148 [2022-11-25 23:15:09,646 INFO L226 Difference]: Without dead ends: 93 [2022-11-25 23:15:09,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 60 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 23:15:09,648 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 22 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:15:09,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 469 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:15:09,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-25 23:15:09,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-25 23:15:09,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 50 states have (on average 1.1) internal successors, (55), 51 states have internal predecessors, (55), 30 states have call successors, (30), 13 states have call predecessors, (30), 12 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2022-11-25 23:15:09,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 113 transitions. [2022-11-25 23:15:09,660 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 113 transitions. Word has length 65 [2022-11-25 23:15:09,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:15:09,660 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 113 transitions. [2022-11-25 23:15:09,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-11-25 23:15:09,661 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 113 transitions. [2022-11-25 23:15:09,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-25 23:15:09,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:15:09,662 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:15:09,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:15:09,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:09,871 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:15:09,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:15:09,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1235168463, now seen corresponding path program 1 times [2022-11-25 23:15:09,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:15:09,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523463062] [2022-11-25 23:15:09,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:09,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:15:09,998 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:15:09,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924349207] [2022-11-25 23:15:09,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:15:09,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:15:09,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:15:10,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:15:10,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b8aa65-5e10-496b-9eab-26c9574e31bc/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:15:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:15:10,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 2446 conjuncts, 261 conjunts are in the unsatisfiable core [2022-11-25 23:15:10,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:15:10,794 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 23:15:11,629 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 23:15:11,637 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 23:15:11,811 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 34 treesize of output 36 [2022-11-25 23:15:11,895 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 23:15:11,905 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 23:15:12,669 INFO L321 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-11-25 23:15:12,670 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 41 treesize of output 53 [2022-11-25 23:15:12,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2022-11-25 23:15:13,089 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-25 23:15:13,089 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 29 treesize of output 37 [2022-11-25 23:15:17,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:17,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:15:17,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:17,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:17,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 146 [2022-11-25 23:15:17,177 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:15:17,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 65 treesize of output 97 [2022-11-25 23:15:48,315 INFO L321 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2022-11-25 23:15:48,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 101 [2022-11-25 23:15:48,340 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 15 treesize of output 13 [2022-11-25 23:15:48,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:15:48,389 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 84 treesize of output 50 [2022-11-25 23:15:48,468 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-25 23:15:48,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 117 treesize of output 89 [2022-11-25 23:15:48,494 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 23:16:20,649 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 112 treesize of output 106 [2022-11-25 23:16:21,550 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 106 treesize of output 100 [2022-11-25 23:16:37,069 INFO L321 Elim1Store]: treesize reduction 56, result has 48.6 percent of original size [2022-11-25 23:16:37,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 834 treesize of output 735 [2022-11-25 23:16:37,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 655 treesize of output 649 [2022-11-25 23:16:37,244 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 649 treesize of output 635 [2022-11-25 23:16:45,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 269 [2022-11-25 23:16:46,017 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 15 treesize of output 13 [2022-11-25 23:16:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 41 refuted. 5 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 23:16:46,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:16:57,961 WARN L233 SmtUtils]: Spent 9.29s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:17:59,473 WARN L233 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 330 DAG size of output: 139 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:18:23,295 WARN L233 SmtUtils]: Spent 23.82s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 23:18:23,708 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 15 treesize of output 9 [2022-11-25 23:18:23,779 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 15 treesize of output 9 [2022-11-25 23:18:41,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:41,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523463062] [2022-11-25 23:18:41,104 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:18:41,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924349207] [2022-11-25 23:18:41,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924349207] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:18:41,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1593689529] [2022-11-25 23:18:41,126 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-11-25 23:18:41,126 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 23:18:41,130 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 23:18:41,137 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 23:18:41,137 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 23:18:45,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:45,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:46,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:18:46,092 INFO L217 Elim1Store]: Index analysis took 448 ms [2022-11-25 23:19:15,263 WARN L233 SmtUtils]: Spent 29.11s 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 23:19:15,266 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-11-25 23:19:15,268 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 23:19:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:18,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:18,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:19:18,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19307 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 987 treesize of output 1574 [2022-11-25 23:20:29,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:29,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-25 23:20:29,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:29,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-25 23:20:29,435 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 23:20:29,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:29,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:29,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-25 23:20:32,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:32,868 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:20:32,871 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 23:20:33,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,399 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:20:33,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19501 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-11-25 23:20:33,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:33,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,116 INFO L217 Elim1Store]: Index analysis took 128 ms [2022-11-25 23:20:34,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:34,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:34,226 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 23:20:34,231 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 594 [2022-11-25 23:20:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:34,899 INFO L217 Elim1Store]: Index analysis took 188 ms [2022-11-25 23:20:34,943 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 23:20:35,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:35,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1243 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-25 23:20:44,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:44,876 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:20:44,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-11-25 23:20:45,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,317 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-25 23:20:45,321 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 23:20:45,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:45,986 INFO L217 Elim1Store]: Index analysis took 113 ms [2022-11-25 23:20:45,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:46,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:46,076 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-25 23:20:46,081 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 23:20:46,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:46,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 23:20:46,775 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-25 23:20:46,780 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 594 [2022-11-25 23:20:47,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:47,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:47,251 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 23:20:48,450 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 23:20:48,457 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 23:20:48,483 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 23:20:48,488 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 23:20:48,521 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 23:20:48,528 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 23:20:48,534 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 23:20:48,541 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 23:20:48,610 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:20:48,610 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 23:20:48,619 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 23:20:48,627 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 23:20:48,695 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:20:48,695 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 23:20:48,704 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 23:20:48,711 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 23:20:48,756 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 23:20:49,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:49,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-25 23:20:49,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:49,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-25 23:20:49,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-25 23:20:51,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:51,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-25 23:20:51,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:20:51,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-25 23:20:51,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-25 23:20:52,575 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-25 23:20:52,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-25 23:20:52,611 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-25 23:20:52,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-25 23:21:10,788 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 129 for LOIs [2022-11-25 23:21:11,891 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 23:21:11,992 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 23:21:13,243 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-11-25 23:21:13,254 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 48 for LOIs [2022-11-25 23:21:13,279 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 23:21:13,289 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 23:21:13,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:13,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:13,384 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:21:13,384 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 23:21:13,400 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 23:21:13,409 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 23:21:13,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:13,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 23:21:13,488 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 23:21:13,488 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 23:21:13,499 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 23:21:13,514 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 23:21:13,698 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-25 23:21:13,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 174 treesize of output 191 [2022-11-25 23:21:14,343 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2819 for LOIs [2022-11-25 23:21:17,611 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 108 for LOIs [2022-11-25 23:21:18,353 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 94 for LOIs [2022-11-25 23:21:18,389 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2869 for LOIs [2022-11-25 23:23:02,228 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-11-25 23:23:08,619 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 2894 for LOIs [2022-11-25 23:23:20,246 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 23:25:36,798 WARN L233 SmtUtils]: Spent 2.18m 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 23:28:25,343 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)