./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 15:04:38,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:04:38,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:04:38,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:04:38,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:04:38,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:04:38,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:04:38,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:04:38,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:04:38,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:04:38,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:04:38,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:04:38,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:04:38,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:04:38,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:04:38,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:04:38,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:04:38,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:04:38,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:04:38,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:04:38,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:04:38,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:04:38,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:04:38,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:04:38,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:04:38,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:04:38,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:04:38,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:04:38,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:04:38,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:04:38,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:04:38,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:04:38,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:04:38,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:04:38,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:04:38,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:04:38,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:04:38,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:04:38,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:04:38,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:04:38,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:04:38,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 15:04:38,364 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:04:38,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:04:38,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:04:38,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:04:38,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:04:38,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:04:38,370 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:04:38,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:04:38,370 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:04:38,370 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:04:38,371 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:04:38,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:04:38,371 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:04:38,371 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:04:38,371 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:04:38,371 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:04:38,372 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:04:38,372 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:04:38,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:04:38,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:04:38,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:04:38,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:04:38,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:04:38,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:04:38,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:04:38,374 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:04:38,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:04:38,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:04:38,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:04:38,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:04:38,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:04:38,375 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:04:38,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:04:38,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:04:38,376 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:04:38,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:04:38,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:04:38,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:04:38,376 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_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2022-12-14 15:04:38,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:04:38,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:04:38,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:04:38,590 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:04:38,590 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:04:38,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2022-12-14 15:04:41,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:04:41,534 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:04:41,535 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2022-12-14 15:04:41,561 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/data/92005ee6b/df08117db28549a488a1cf739a713939/FLAG20b23c57d [2022-12-14 15:04:41,741 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/data/92005ee6b/df08117db28549a488a1cf739a713939 [2022-12-14 15:04:41,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:04:41,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:04:41,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:04:41,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:04:41,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:04:41,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:04:41" (1/1) ... [2022-12-14 15:04:41,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665304f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:41, skipping insertion in model container [2022-12-14 15:04:41,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:04:41" (1/1) ... [2022-12-14 15:04:41,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:04:41,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:04:42,031 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_4cc858fe-3da5-4afe-bf79-74427a8c37d5/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2022-12-14 15:04:42,037 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_4cc858fe-3da5-4afe-bf79-74427a8c37d5/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2022-12-14 15:04:42,711 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:42,712 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:42,712 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:42,713 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:42,714 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:42,724 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:42,725 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:42,726 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:42,727 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:42,788 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:04:42,788 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:04:42,789 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:04:42,792 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 15:04:42,794 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 15:04:42,794 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 15:04:43,042 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:04:43,043 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 15:04:43,043 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 15:04:43,044 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 15:04:43,045 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 15:04:43,046 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 15:04:43,047 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 15:04:43,047 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 15:04:43,047 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 15:04:43,048 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 15:04:43,048 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 15:04:43,185 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 15:04:43,209 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 15:04:43,216 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:04:43,235 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:04:43,241 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,241 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,280 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:04:43,288 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:04:43,289 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:04:43,293 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:04:43,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:04:43,331 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:04:43,340 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_4cc858fe-3da5-4afe-bf79-74427a8c37d5/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2022-12-14 15:04:43,341 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_4cc858fe-3da5-4afe-bf79-74427a8c37d5/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2022-12-14 15:04:43,362 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,363 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,363 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,363 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,364 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,367 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,368 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,368 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,369 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,383 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:04:43,383 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:04:43,384 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 15:04:43,386 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 15:04:43,388 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 15:04:43,388 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 15:04:43,405 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 15:04:43,406 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 15:04:43,407 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 15:04:43,407 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 15:04:43,408 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 15:04:43,408 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 15:04:43,409 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 15:04:43,409 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 15:04:43,410 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 15:04:43,410 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 15:04:43,410 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 15:04:43,429 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 15:04:43,447 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 15:04:43,453 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:04:43,464 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:04:43,469 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,469 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 15:04:43,486 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:04:43,489 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:04:43,489 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 15:04:43,492 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 15:04:43,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:04:43,648 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:04:43,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43 WrapperNode [2022-12-14 15:04:43,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:04:43,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:04:43,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:04:43,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:04:43,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43" (1/1) ... [2022-12-14 15:04:43,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43" (1/1) ... [2022-12-14 15:04:43,760 INFO L138 Inliner]: procedures = 693, calls = 2771, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 807 [2022-12-14 15:04:43,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:04:43,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:04:43,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:04:43,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:04:43,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43" (1/1) ... [2022-12-14 15:04:43,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43" (1/1) ... [2022-12-14 15:04:43,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43" (1/1) ... [2022-12-14 15:04:43,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43" (1/1) ... [2022-12-14 15:04:43,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43" (1/1) ... [2022-12-14 15:04:43,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43" (1/1) ... [2022-12-14 15:04:43,803 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43" (1/1) ... [2022-12-14 15:04:43,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43" (1/1) ... [2022-12-14 15:04:43,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:04:43,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:04:43,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:04:43,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:04:43,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43" (1/1) ... [2022-12-14 15:04:43,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:04:43,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:04:43,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:04:43,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:04:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-12-14 15:04:43,862 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-12-14 15:04:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-12-14 15:04:43,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-12-14 15:04:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:04:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 15:04:43,862 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 15:04:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:04:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 15:04:43,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 15:04:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 15:04:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:04:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 15:04:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:04:43,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:04:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 15:04:43,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 15:04:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 15:04:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2022-12-14 15:04:43,863 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2022-12-14 15:04:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-12-14 15:04:43,863 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-12-14 15:04:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 15:04:43,864 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 15:04:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-12-14 15:04:43,864 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-12-14 15:04:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 15:04:43,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 15:04:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 15:04:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 15:04:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 15:04:43,864 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 15:04:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-12-14 15:04:43,864 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-12-14 15:04:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:04:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:04:44,062 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:04:44,064 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:04:44,959 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:04:45,062 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:04:45,063 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 15:04:45,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:04:45 BoogieIcfgContainer [2022-12-14 15:04:45,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:04:45,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:04:45,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:04:45,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:04:45,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:04:41" (1/3) ... [2022-12-14 15:04:45,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56cce44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:04:45, skipping insertion in model container [2022-12-14 15:04:45,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:04:43" (2/3) ... [2022-12-14 15:04:45,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56cce44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:04:45, skipping insertion in model container [2022-12-14 15:04:45,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:04:45" (3/3) ... [2022-12-14 15:04:45,073 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2022-12-14 15:04:45,091 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:04:45,091 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 15:04:45,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 15:04:45,144 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;@8a307cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 15:04:45,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 15:04:45,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 45 states have (on average 1.2) internal successors, (54), 46 states have internal predecessors, (54), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2022-12-14 15:04:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 15:04:45,156 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:04:45,157 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-12-14 15:04:45,158 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:04:45,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:04:45,163 INFO L85 PathProgramCache]: Analyzing trace with hash 997548418, now seen corresponding path program 1 times [2022-12-14 15:04:45,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:04:45,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124231259] [2022-12-14 15:04:45,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:04:45,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:04:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:04:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 15:04:46,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:04:46,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124231259] [2022-12-14 15:04:46,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124231259] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:04:46,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:04:46,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 15:04:46,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446246138] [2022-12-14 15:04:46,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:04:46,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 15:04:46,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:04:46,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 15:04:46,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-12-14 15:04:46,100 INFO L87 Difference]: Start difference. First operand has 79 states, 45 states have (on average 1.2) internal successors, (54), 46 states have internal predecessors, (54), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-12-14 15:04:46,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:04:46,334 INFO L93 Difference]: Finished difference Result 103 states and 120 transitions. [2022-12-14 15:04:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 15:04:46,336 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 47 [2022-12-14 15:04:46,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:04:46,341 INFO L225 Difference]: With dead ends: 103 [2022-12-14 15:04:46,341 INFO L226 Difference]: Without dead ends: 73 [2022-12-14 15:04:46,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-14 15:04:46,346 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 22 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 15:04:46,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 500 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 15:04:46,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-12-14 15:04:46,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-12-14 15:04:46,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 41 states have internal predecessors, (45), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-14 15:04:46,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 84 transitions. [2022-12-14 15:04:46,380 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 84 transitions. Word has length 47 [2022-12-14 15:04:46,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:04:46,381 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 84 transitions. [2022-12-14 15:04:46,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2022-12-14 15:04:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2022-12-14 15:04:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 15:04:46,383 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:04:46,383 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:04:46,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 15:04:46,384 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:04:46,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:04:46,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1091387260, now seen corresponding path program 1 times [2022-12-14 15:04:46,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:04:46,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155593120] [2022-12-14 15:04:46,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:04:46,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:04:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:04:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 15:04:46,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:04:46,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155593120] [2022-12-14 15:04:46,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155593120] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:04:46,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:04:46,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 15:04:46,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974006555] [2022-12-14 15:04:46,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:04:46,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 15:04:46,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:04:46,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 15:04:46,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:04:46,693 INFO L87 Difference]: Start difference. First operand 73 states and 84 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 15:04:46,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:04:46,796 INFO L93 Difference]: Finished difference Result 119 states and 135 transitions. [2022-12-14 15:04:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 15:04:46,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 68 [2022-12-14 15:04:46,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:04:46,798 INFO L225 Difference]: With dead ends: 119 [2022-12-14 15:04:46,798 INFO L226 Difference]: Without dead ends: 73 [2022-12-14 15:04:46,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 15:04:46,799 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 1 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:04:46,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 189 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 15:04:46,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-12-14 15:04:46,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-12-14 15:04:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 41 states have internal predecessors, (44), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-14 15:04:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 83 transitions. [2022-12-14 15:04:46,806 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 83 transitions. Word has length 68 [2022-12-14 15:04:46,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:04:46,807 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 83 transitions. [2022-12-14 15:04:46,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-12-14 15:04:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2022-12-14 15:04:46,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 15:04:46,808 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:04:46,808 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:04:46,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 15:04:46,808 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:04:46,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:04:46,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1989250281, now seen corresponding path program 1 times [2022-12-14 15:04:46,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:04:46,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53339009] [2022-12-14 15:04:46,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:04:46,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:04:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:04:48,109 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 15:04:48,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:04:48,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53339009] [2022-12-14 15:04:48,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53339009] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:04:48,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965731798] [2022-12-14 15:04:48,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:04:48,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:04:48,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:04:48,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:04:48,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 15:04:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:04:48,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 2645 conjuncts, 67 conjunts are in the unsatisfiable core [2022-12-14 15:04:48,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:04:48,977 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 15:04:48,978 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 35 [2022-12-14 15:04:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 15:04:49,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 15:04:49,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965731798] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:04:49,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 15:04:49,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [10] total 24 [2022-12-14 15:04:49,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004950504] [2022-12-14 15:04:49,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:04:49,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 15:04:49,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:04:49,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 15:04:49,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=504, Unknown=0, NotChecked=0, Total=552 [2022-12-14 15:04:49,224 INFO L87 Difference]: Start difference. First operand 73 states and 83 transitions. Second operand has 16 states, 10 states have (on average 3.7) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-12-14 15:04:49,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:04:49,980 INFO L93 Difference]: Finished difference Result 97 states and 109 transitions. [2022-12-14 15:04:49,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-14 15:04:49,981 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 10 states have (on average 3.7) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) Word has length 72 [2022-12-14 15:04:49,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:04:49,982 INFO L225 Difference]: With dead ends: 97 [2022-12-14 15:04:49,982 INFO L226 Difference]: Without dead ends: 74 [2022-12-14 15:04:49,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2022-12-14 15:04:49,983 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 11 mSDsluCounter, 775 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:04:49,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 838 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 15:04:49,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-14 15:04:49,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-12-14 15:04:49,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 42 states have internal predecessors, (45), 20 states have call successors, (20), 12 states have call predecessors, (20), 11 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-14 15:04:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 84 transitions. [2022-12-14 15:04:49,992 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 84 transitions. Word has length 72 [2022-12-14 15:04:49,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:04:49,992 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 84 transitions. [2022-12-14 15:04:49,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 10 states have (on average 3.7) internal successors, (37), 14 states have internal predecessors, (37), 7 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-12-14 15:04:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2022-12-14 15:04:49,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 15:04:49,994 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:04:49,994 INFO L195 NwaCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 15:04:50,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 15:04:50,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:04:50,195 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 15:04:50,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:04:50,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1888659405, now seen corresponding path program 1 times [2022-12-14 15:04:50,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:04:50,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601748725] [2022-12-14 15:04:50,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:04:50,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:04:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:04:51,330 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 15:04:51,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:04:51,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601748725] [2022-12-14 15:04:51,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601748725] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:04:51,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105887157] [2022-12-14 15:04:51,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:04:51,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 15:04:51,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:04:51,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 15:04:51,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cc858fe-3da5-4afe-bf79-74427a8c37d5/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 15:04:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:04:51,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 2664 conjuncts, 179 conjunts are in the unsatisfiable core [2022-12-14 15:04:51,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 15:04:51,940 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 57 treesize of output 52 [2022-12-14 15:04:51,946 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 22 treesize of output 26 [2022-12-14 15:04:51,992 INFO L321 Elim1Store]: treesize reduction 17, result has 52.8 percent of original size [2022-12-14 15:04:51,993 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 1 case distinctions, treesize of input 22 treesize of output 32 [2022-12-14 15:04:57,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:04:57,095 INFO L321 Elim1Store]: treesize reduction 45, result has 18.2 percent of original size [2022-12-14 15:04:57,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 136 treesize of output 83 [2022-12-14 15:04:57,292 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 14 treesize of output 10 [2022-12-14 15:04:58,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 15:04:58,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-14 15:04:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 15:04:58,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 15:04:59,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105887157] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 15:04:59,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [136663582] [2022-12-14 15:04:59,115 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-12-14 15:04:59,116 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 15:04:59,118 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 15:04:59,122 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 15:04:59,122 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 15:05:02,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:02,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:03,132 INFO L217 Elim1Store]: Index analysis took 547 ms [2022-12-14 15:05:03,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 309 select indices, 309 select index equivalence classes, 33694 disjoint index pairs (out of 47586 index pairs), introduced 309 new quantified variables, introduced 0 case distinctions, treesize of input 2781 treesize of output 3693 [2022-12-14 15:05:05,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:05,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:05,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:05,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:05,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1746 treesize of output 1374 [2022-12-14 15:05:06,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:06,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:06,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:06,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:06,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:06,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1746 treesize of output 1374 [2022-12-14 15:05:07,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 15:05:12,549 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 8 treesize of output 7 [2022-12-14 15:05:12,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 15:05:12,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-12-14 15:05:12,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-12-14 15:05:12,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-12-14 15:05:12,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 15:05:12,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-12-14 15:05:15,697 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:05:21,771 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 15:05:25,288 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_string_is_allocated_bounded_length with input of size 3307 for LOIs [2022-12-14 15:07:00,559 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 3292 for LOIs [2022-12-14 15:07:04,163 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 3316 for LOIs [2022-12-14 15:07:47,336 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3384 for LOIs [2022-12-14 15:08:19,504 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 15:09:04,569 WARN L233 SmtUtils]: Spent 41.88s on a formula simplification that was a NOOP. DAG size: 3292 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:09:51,315 WARN L233 SmtUtils]: Spent 43.58s on a formula simplification that was a NOOP. DAG size: 3307 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 15:10:36,190 WARN L233 SmtUtils]: Spent 41.67s on a formula simplification that was a NOOP. DAG size: 3309 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)