./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.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_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/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_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/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_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/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 a21c1db96db51bef4a3228c67f9826eef1cb89f6cb500630f653a056bcc55f6d --- 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 05:41:22,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:41:22,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:41:22,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:41:22,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:41:22,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:41:22,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:41:22,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:41:22,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:41:22,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:41:22,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:41:22,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:41:22,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:41:22,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:41:22,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:41:22,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:41:22,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:41:22,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:41:22,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:41:22,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:41:22,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:41:22,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:41:22,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:41:22,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:41:22,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:41:22,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:41:22,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:41:22,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:41:22,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:41:22,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:41:22,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:41:22,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:41:22,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:41:22,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:41:22,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:41:22,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:41:22,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:41:22,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:41:22,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:41:22,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:41:22,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:41:22,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 05:41:22,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:41:22,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:41:22,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:41:22,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:41:22,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:41:22,427 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:41:22,427 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:41:22,427 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:41:22,428 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:41:22,428 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:41:22,428 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:41:22,428 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:41:22,428 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:41:22,428 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:41:22,429 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:41:22,429 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:41:22,429 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:41:22,429 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:41:22,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:41:22,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:41:22,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:41:22,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:41:22,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:41:22,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:41:22,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:41:22,431 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:41:22,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:41:22,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:41:22,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:41:22,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:41:22,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:41:22,432 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:41:22,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:41:22,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:41:22,433 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:41:22,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:41:22,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:41:22,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:41:22,433 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_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a21c1db96db51bef4a3228c67f9826eef1cb89f6cb500630f653a056bcc55f6d [2022-12-14 05:41:22,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:41:22,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:41:22,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:41:22,636 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:41:22,636 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:41:22,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i [2022-12-14 05:41:25,184 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:41:25,508 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:41:25,509 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i [2022-12-14 05:41:25,526 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/data/da1de3f51/5505627c29104709aed49aa6b4a9920a/FLAGd81e7b46d [2022-12-14 05:41:25,754 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/data/da1de3f51/5505627c29104709aed49aa6b4a9920a [2022-12-14 05:41:25,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:41:25,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:41:25,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:41:25,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:41:25,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:41:25,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:41:25" (1/1) ... [2022-12-14 05:41:25,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de69ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:25, skipping insertion in model container [2022-12-14 05:41:25,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:41:25" (1/1) ... [2022-12-14 05:41:25,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:41:25,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:41:25,993 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_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i[4496,4509] [2022-12-14 05:41:25,999 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_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i[4556,4569] [2022-12-14 05:41:26,595 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 05:41:26,632 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:26,642 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:26,654 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:26,655 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:26,655 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:26,656 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:26,657 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:26,661 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:26,667 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:26,668 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:26,674 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:26,674 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:26,724 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:41:26,724 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:41:26,725 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:41:26,728 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 05:41:26,729 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 05:41:26,730 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 05:41:26,822 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:26,921 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 05:41:26,922 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 05:41:26,922 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 05:41:26,923 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 05:41:26,924 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 05:41:26,925 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 05:41:26,925 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 05:41:26,926 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 05:41:26,926 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 05:41:26,927 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 05:41:26,927 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 05:41:27,038 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:27,039 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:27,040 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,040 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,057 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:27,073 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 05:41:27,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:41:27,097 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:41:27,107 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_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i[4496,4509] [2022-12-14 05:41:27,107 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_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i[4556,4569] [2022-12-14 05:41:27,131 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 05:41:27,135 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:27,139 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:27,142 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,142 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,143 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,143 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,143 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,145 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:27,149 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,149 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,150 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,150 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,155 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:41:27,155 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:41:27,156 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 05:41:27,158 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 05:41:27,159 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 05:41:27,159 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 05:41:27,161 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:27,174 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 05:41:27,175 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 05:41:27,176 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 05:41:27,176 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 05:41:27,177 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 05:41:27,178 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 05:41:27,178 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 05:41:27,178 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 05:41:27,179 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 05:41:27,179 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 05:41:27,180 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 05:41:27,199 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:27,201 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:27,201 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,202 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 05:41:27,206 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 05:41:27,215 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 05:41:27,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:41:27,399 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:41:27,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27 WrapperNode [2022-12-14 05:41:27,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:41:27,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:41:27,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:41:27,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:41:27,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,481 INFO L138 Inliner]: procedures = 689, calls = 1535, calls flagged for inlining = 55, calls inlined = 11, statements flattened = 718 [2022-12-14 05:41:27,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:41:27,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:41:27,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:41:27,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:41:27,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,522 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:41:27,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:41:27,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:41:27,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:41:27,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:41:27,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:41:27,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:41:27,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:41:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-12-14 05:41:27,594 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-12-14 05:41:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:41:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 05:41:27,594 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 05:41:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 05:41:27,594 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 05:41:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 05:41:27,594 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 05:41:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:41:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 05:41:27,594 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 05:41:27,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 05:41:27,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 05:41:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:41:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:41:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-12-14 05:41:27,595 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-12-14 05:41:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:41:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:41:27,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:41:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 05:41:27,595 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 05:41:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 05:41:27,595 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 05:41:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 05:41:27,595 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 05:41:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-12-14 05:41:27,595 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-12-14 05:41:27,595 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 05:41:27,596 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 05:41:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 05:41:27,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 05:41:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:41:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:41:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:41:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 05:41:27,596 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 05:41:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 05:41:27,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 05:41:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:41:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2022-12-14 05:41:27,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2022-12-14 05:41:27,596 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 05:41:27,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 05:41:27,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:41:27,821 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:41:27,822 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:41:28,552 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:41:28,682 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:41:28,682 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 05:41:28,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:41:28 BoogieIcfgContainer [2022-12-14 05:41:28,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:41:28,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:41:28,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:41:28,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:41:28,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:41:25" (1/3) ... [2022-12-14 05:41:28,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cfcbc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:41:28, skipping insertion in model container [2022-12-14 05:41:28,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27" (2/3) ... [2022-12-14 05:41:28,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cfcbc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:41:28, skipping insertion in model container [2022-12-14 05:41:28,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:41:28" (3/3) ... [2022-12-14 05:41:28,691 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_top_harness_negated.i [2022-12-14 05:41:28,707 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:41:28,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:41:28,747 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:41:28,752 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;@34cfbc95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:41:28,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:41:28,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 88 states have internal predecessors, (106), 50 states have call successors, (50), 17 states have call predecessors, (50), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2022-12-14 05:41:28,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 05:41:28,764 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:41:28,765 INFO L195 NwaCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 05:41:28,765 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:41:28,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:41:28,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1228492728, now seen corresponding path program 1 times [2022-12-14 05:41:28,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:41:28,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504513616] [2022-12-14 05:41:28,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:41:28,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:41:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:41:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 05:41:29,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:41:29,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504513616] [2022-12-14 05:41:29,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504513616] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:41:29,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:41:29,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:41:29,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119674165] [2022-12-14 05:41:29,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:41:29,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:41:29,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:41:29,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:41:29,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:41:29,390 INFO L87 Difference]: Start difference. First operand has 156 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 88 states have internal predecessors, (106), 50 states have call successors, (50), 17 states have call predecessors, (50), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 05:41:29,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:41:29,873 INFO L93 Difference]: Finished difference Result 282 states and 389 transitions. [2022-12-14 05:41:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:41:29,875 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 93 [2022-12-14 05:41:29,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:41:29,881 INFO L225 Difference]: With dead ends: 282 [2022-12-14 05:41:29,881 INFO L226 Difference]: Without dead ends: 154 [2022-12-14 05:41:29,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:41:29,886 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 31 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:41:29,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 623 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 05:41:29,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-12-14 05:41:29,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2022-12-14 05:41:29,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 86 states have (on average 1.1744186046511629) internal successors, (101), 87 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 17 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2022-12-14 05:41:29,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 200 transitions. [2022-12-14 05:41:29,925 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 200 transitions. Word has length 93 [2022-12-14 05:41:29,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:41:29,926 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 200 transitions. [2022-12-14 05:41:29,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 05:41:29,926 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2022-12-14 05:41:29,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 05:41:29,929 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:41:29,929 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 05:41:29,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:41:29,930 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:41:29,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:41:29,930 INFO L85 PathProgramCache]: Analyzing trace with hash 498819034, now seen corresponding path program 1 times [2022-12-14 05:41:29,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:41:29,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903286256] [2022-12-14 05:41:29,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:41:29,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:41:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:41:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-12-14 05:41:30,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:41:30,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903286256] [2022-12-14 05:41:30,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903286256] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:41:30,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698143023] [2022-12-14 05:41:30,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:41:30,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:41:30,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:41:30,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:41:30,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:41:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:41:30,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 2382 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 05:41:30,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:41:30,831 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 05:41:30,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:41:30,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698143023] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:41:30,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:41:30,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-12-14 05:41:30,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690238557] [2022-12-14 05:41:30,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:41:30,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 05:41:30,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:41:30,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 05:41:30,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-12-14 05:41:30,835 INFO L87 Difference]: Start difference. First operand 154 states and 200 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-12-14 05:41:31,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:41:31,432 INFO L93 Difference]: Finished difference Result 289 states and 384 transitions. [2022-12-14 05:41:31,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:41:31,433 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 101 [2022-12-14 05:41:31,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:41:31,436 INFO L225 Difference]: With dead ends: 289 [2022-12-14 05:41:31,436 INFO L226 Difference]: Without dead ends: 156 [2022-12-14 05:41:31,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-12-14 05:41:31,439 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 48 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:41:31,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 898 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 05:41:31,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-14 05:41:31,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-12-14 05:41:31,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.1724137931034482) internal successors, (102), 89 states have internal predecessors, (102), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (55), 49 states have call predecessors, (55), 49 states have call successors, (55) [2022-12-14 05:41:31,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 207 transitions. [2022-12-14 05:41:31,463 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 207 transitions. Word has length 101 [2022-12-14 05:41:31,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:41:31,464 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 207 transitions. [2022-12-14 05:41:31,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-12-14 05:41:31,464 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 207 transitions. [2022-12-14 05:41:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 05:41:31,468 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:41:31,468 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2022-12-14 05:41:31,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 05:41:31,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:41:31,670 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:41:31,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:41:31,671 INFO L85 PathProgramCache]: Analyzing trace with hash -352569357, now seen corresponding path program 1 times [2022-12-14 05:41:31,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:41:31,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379602342] [2022-12-14 05:41:31,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:41:31,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:41:31,808 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 05:41:31,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [867226410] [2022-12-14 05:41:31,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:41:31,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:41:31,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:41:31,810 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:41:31,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 05:41:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:41:32,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 2514 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 05:41:32,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:41:32,250 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 05:41:32,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:41:32,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:41:32,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379602342] [2022-12-14 05:41:32,251 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 05:41:32,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867226410] [2022-12-14 05:41:32,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867226410] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:41:32,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:41:32,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 05:41:32,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794260081] [2022-12-14 05:41:32,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:41:32,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:41:32,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:41:32,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:41:32,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:41:32,253 INFO L87 Difference]: Start difference. First operand 156 states and 207 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-12-14 05:41:32,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:41:32,547 INFO L93 Difference]: Finished difference Result 283 states and 377 transitions. [2022-12-14 05:41:32,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:41:32,548 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 110 [2022-12-14 05:41:32,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:41:32,551 INFO L225 Difference]: With dead ends: 283 [2022-12-14 05:41:32,551 INFO L226 Difference]: Without dead ends: 156 [2022-12-14 05:41:32,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:41:32,553 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 41 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:41:32,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 761 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 05:41:32,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-14 05:41:32,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-12-14 05:41:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.160919540229885) internal successors, (101), 89 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (55), 49 states have call predecessors, (55), 49 states have call successors, (55) [2022-12-14 05:41:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 206 transitions. [2022-12-14 05:41:32,563 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 206 transitions. Word has length 110 [2022-12-14 05:41:32,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:41:32,564 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 206 transitions. [2022-12-14 05:41:32,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-12-14 05:41:32,564 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 206 transitions. [2022-12-14 05:41:32,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-14 05:41:32,565 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:41:32,565 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:41:32,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 05:41:32,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:41:32,767 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:41:32,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:41:32,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1197749905, now seen corresponding path program 1 times [2022-12-14 05:41:32,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:41:32,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335010627] [2022-12-14 05:41:32,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:41:32,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:41:32,904 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 05:41:32,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [307837312] [2022-12-14 05:41:32,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:41:32,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:41:32,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:41:32,905 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:41:32,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 05:41:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:41:33,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 2568 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 05:41:33,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:41:33,386 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-12-14 05:41:33,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:41:33,387 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:41:33,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335010627] [2022-12-14 05:41:33,387 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 05:41:33,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307837312] [2022-12-14 05:41:33,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307837312] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:41:33,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:41:33,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 05:41:33,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607417225] [2022-12-14 05:41:33,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:41:33,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 05:41:33,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:41:33,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 05:41:33,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:41:33,390 INFO L87 Difference]: Start difference. First operand 156 states and 206 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-12-14 05:41:33,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:41:33,835 INFO L93 Difference]: Finished difference Result 288 states and 382 transitions. [2022-12-14 05:41:33,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:41:33,836 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 118 [2022-12-14 05:41:33,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:41:33,837 INFO L225 Difference]: With dead ends: 288 [2022-12-14 05:41:33,837 INFO L226 Difference]: Without dead ends: 156 [2022-12-14 05:41:33,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:41:33,838 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 55 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:41:33,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1022 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 05:41:33,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-14 05:41:33,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-12-14 05:41:33,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.160919540229885) internal successors, (101), 89 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (54), 49 states have call predecessors, (54), 49 states have call successors, (54) [2022-12-14 05:41:33,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 205 transitions. [2022-12-14 05:41:33,849 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 205 transitions. Word has length 118 [2022-12-14 05:41:33,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:41:33,849 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 205 transitions. [2022-12-14 05:41:33,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-12-14 05:41:33,849 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 205 transitions. [2022-12-14 05:41:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-14 05:41:33,850 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:41:33,851 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 05:41:33,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 05:41:34,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:41:34,052 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:41:34,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:41:34,053 INFO L85 PathProgramCache]: Analyzing trace with hash -2079056202, now seen corresponding path program 2 times [2022-12-14 05:41:34,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:41:34,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471555979] [2022-12-14 05:41:34,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:41:34,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:41:34,205 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 05:41:34,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785605131] [2022-12-14 05:41:34,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 05:41:34,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:41:34,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:41:34,206 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:41:34,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 05:41:34,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 05:41:34,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 05:41:34,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 05:41:34,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:41:34,555 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-12-14 05:41:34,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:41:34,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:41:34,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471555979] [2022-12-14 05:41:34,555 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 05:41:34,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785605131] [2022-12-14 05:41:34,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785605131] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:41:34,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:41:34,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 05:41:34,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882717620] [2022-12-14 05:41:34,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:41:34,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:41:34,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:41:34,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:41:34,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:41:34,557 INFO L87 Difference]: Start difference. First operand 156 states and 205 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2022-12-14 05:41:34,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:41:34,989 INFO L93 Difference]: Finished difference Result 164 states and 213 transitions. [2022-12-14 05:41:34,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:41:34,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 127 [2022-12-14 05:41:34,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:41:34,992 INFO L225 Difference]: With dead ends: 164 [2022-12-14 05:41:34,992 INFO L226 Difference]: Without dead ends: 162 [2022-12-14 05:41:34,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:41:34,993 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 5 mSDsluCounter, 693 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:41:34,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 871 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 05:41:34,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-12-14 05:41:35,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 161. [2022-12-14 05:41:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 90 states have (on average 1.1555555555555554) internal successors, (104), 92 states have internal predecessors, (104), 51 states have call successors, (51), 18 states have call predecessors, (51), 19 states have return successors, (55), 50 states have call predecessors, (55), 50 states have call successors, (55) [2022-12-14 05:41:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 210 transitions. [2022-12-14 05:41:35,003 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 210 transitions. Word has length 127 [2022-12-14 05:41:35,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:41:35,004 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 210 transitions. [2022-12-14 05:41:35,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2022-12-14 05:41:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 210 transitions. [2022-12-14 05:41:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-14 05:41:35,005 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:41:35,005 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:41:35,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 05:41:35,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:41:35,207 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:41:35,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:41:35,209 INFO L85 PathProgramCache]: Analyzing trace with hash 815567729, now seen corresponding path program 3 times [2022-12-14 05:41:35,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:41:35,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443062673] [2022-12-14 05:41:35,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:41:35,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:41:35,307 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 05:41:35,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1963078912] [2022-12-14 05:41:35,308 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 05:41:35,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:41:35,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:41:35,309 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:41:35,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 05:41:35,745 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 05:41:35,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 05:41:35,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 2832 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 05:41:35,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:41:35,824 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-14 05:41:35,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:41:35,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:41:35,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443062673] [2022-12-14 05:41:35,825 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 05:41:35,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963078912] [2022-12-14 05:41:35,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963078912] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:41:35,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:41:35,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 05:41:35,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875323371] [2022-12-14 05:41:35,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:41:35,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 05:41:35,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:41:35,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 05:41:35,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:41:35,827 INFO L87 Difference]: Start difference. First operand 161 states and 210 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 5 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-12-14 05:41:36,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:41:36,377 INFO L93 Difference]: Finished difference Result 281 states and 371 transitions. [2022-12-14 05:41:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:41:36,378 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 5 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 136 [2022-12-14 05:41:36,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:41:36,379 INFO L225 Difference]: With dead ends: 281 [2022-12-14 05:41:36,379 INFO L226 Difference]: Without dead ends: 171 [2022-12-14 05:41:36,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:41:36,380 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 40 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:41:36,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 1042 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 05:41:36,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-12-14 05:41:36,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2022-12-14 05:41:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 94 states have (on average 1.148936170212766) internal successors, (108), 96 states have internal predecessors, (108), 56 states have call successors, (56), 19 states have call predecessors, (56), 20 states have return successors, (60), 55 states have call predecessors, (60), 55 states have call successors, (60) [2022-12-14 05:41:36,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 224 transitions. [2022-12-14 05:41:36,396 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 224 transitions. Word has length 136 [2022-12-14 05:41:36,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:41:36,397 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 224 transitions. [2022-12-14 05:41:36,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 5 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2022-12-14 05:41:36,397 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 224 transitions. [2022-12-14 05:41:36,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-14 05:41:36,399 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:41:36,399 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 05:41:36,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 05:41:36,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:41:36,601 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:41:36,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:41:36,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1008200430, now seen corresponding path program 1 times [2022-12-14 05:41:36,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:41:36,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588129519] [2022-12-14 05:41:36,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:41:36,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:41:36,718 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 05:41:36,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [385669925] [2022-12-14 05:41:36,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:41:36,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:41:36,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:41:36,719 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:41:36,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1dd98a-1b94-4c2b-9ce4-6b3ae33ffb98/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 05:41:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:41:37,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 2964 conjuncts, 108 conjunts are in the unsatisfiable core [2022-12-14 05:41:37,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:41:37,944 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 05:41:37,944 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 33 treesize of output 13 [2022-12-14 05:41:37,953 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 05:41:37,953 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 40 treesize of output 20 [2022-12-14 05:41:37,959 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 05:41:37,959 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 36 treesize of output 16 [2022-12-14 05:41:38,080 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 82 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-14 05:41:38,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:41:40,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:41:40,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588129519] [2022-12-14 05:41:40,856 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 05:41:40,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385669925] [2022-12-14 05:41:40,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385669925] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:41:40,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [718773874] [2022-12-14 05:41:40,877 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2022-12-14 05:41:40,878 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:41:40,881 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:41:40,887 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:41:40,887 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:41:43,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:41:43,558 INFO L217 Elim1Store]: Index analysis took 244 ms [2022-12-14 05:41:54,816 WARN L233 SmtUtils]: Spent 11.21s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 05:41:54,820 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-12-14 05:41:54,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-12-14 05:41:57,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:41:57,373 INFO L217 Elim1Store]: Index analysis took 461 ms [2022-12-14 05:42:15,325 WARN L233 SmtUtils]: Spent 17.92s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 05:42:15,328 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-12-14 05:42:15,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-12-14 05:43:39,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:39,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 05:43:39,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:39,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 05:43:39,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:39,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:39,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 05:43:39,467 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 05:43:42,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-12-14 05:43:42,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:42,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 05:43:43,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:43,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 05:43:43,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:43,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:43,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:43,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:43,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:43,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:43,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 05:43:44,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:44,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:44,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:44,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:44,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:44,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:44,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 05:43:51,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 05:43:51,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:51,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-12-14 05:43:52,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:52,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 05:43:52,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:52,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:52,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:52,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:52,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:52,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:52,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:52,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 05:43:53,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:43:53,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 05:44:08,751 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 05:44:08,898 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 05:44:08,937 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 05:44:09,094 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 05:44:09,250 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 05:44:09,286 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 05:44:23,913 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 05:44:23,965 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 05:44:24,005 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 05:44:24,258 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 05:44:24,310 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 05:44:24,348 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 05:44:26,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-12-14 05:44:27,263 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-12-14 05:44:27,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2175 treesize of output 2154 [2022-12-14 05:44:28,465 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 05:44:41,366 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 05:44:41,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:44:41,389 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 05:44:41,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:44:41,418 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 05:44:41,422 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 05:44:41,425 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 05:44:41,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 05:44:41,477 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:44:41,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 05:44:41,485 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:44:41,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:44:41,534 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:44:41,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 05:44:41,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:44:41,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:44:41,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:44:41,689 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-12-14 05:44:41,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-12-14 05:44:41,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-12-14 05:44:41,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-12-14 05:44:43,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-12-14 05:44:43,847 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-12-14 05:44:43,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-12-14 05:45:02,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-12-14 05:45:02,505 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-12-14 05:45:02,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-12-14 05:45:05,793 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 05:45:05,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-12-14 05:45:05,832 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 05:45:05,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-12-14 05:45:05,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,913 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:45:05,913 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 05:45:05,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:45:05,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:45:05,948 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:45:05,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 29 [2022-12-14 05:45:05,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:05,981 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:45:05,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 05:45:06,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,061 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:45:06,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 05:45:06,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,081 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:45:06,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 05:45:06,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:45:06,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 05:45:06,124 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:45:06,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 29 [2022-12-14 05:45:06,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,269 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-12-14 05:45:06,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 196 treesize of output 199 [2022-12-14 05:45:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,342 INFO L321 Elim1Store]: treesize reduction 92, result has 17.1 percent of original size [2022-12-14 05:45:06,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 206 treesize of output 213 [2022-12-14 05:45:06,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,493 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:45:06,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 05:45:06,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,524 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:45:06,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2022-12-14 05:45:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,555 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:45:06,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 05:45:06,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,670 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:45:06,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 05:45:06,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,703 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:45:06,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 05:45:06,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:45:06,737 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:45:06,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2022-12-14 05:45:06,963 INFO L321 Elim1Store]: treesize reduction 120, result has 23.6 percent of original size [2022-12-14 05:45:06,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 294 treesize of output 311 [2022-12-14 05:45:06,997 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 05:45:06,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 289 treesize of output 292 [2022-12-14 05:45:07,102 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 05:45:07,106 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 05:45:07,177 INFO L321 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-12-14 05:45:07,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 05:45:07,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2022-12-14 05:45:07,314 INFO L321 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-12-14 05:45:07,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 05:45:07,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2022-12-14 05:46:05,567 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 103 for LOIs [2022-12-14 05:46:06,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 05:46:06,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 05:46:07,076 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 54 for LOIs [2022-12-14 05:46:07,096 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2895 for LOIs [2022-12-14 05:46:21,501 INFO L197 IcfgInterpreter]: Interpreting procedure save_byte_from_array with input of size 220 for LOIs [2022-12-14 05:46:21,747 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 693 for LOIs [2022-12-14 05:46:25,832 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 50 for LOIs [2022-12-14 05:46:25,851 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 05:46:25,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 05:46:25,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:46:25,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:46:25,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:46:25,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:46:25,915 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:46:25,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 05:46:25,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:46:25,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:46:25,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:46:25,970 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 05:46:25,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 05:46:25,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 05:46:26,105 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 05:46:26,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 191 [2022-12-14 05:46:26,719 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 98 for LOIs [2022-12-14 05:46:26,922 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 84 for LOIs [2022-12-14 05:46:26,938 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2963 for LOIs [2022-12-14 05:47:52,943 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 11 treesize of output 7 [2022-12-14 05:47:52,951 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 05:47:52,957 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 05:47:52,964 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 11 treesize of output 7 [2022-12-14 05:48:15,734 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-12-14 05:48:15,737 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 123 for LOIs [2022-12-14 05:48:15,961 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-12-14 05:48:15,963 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 05:49:54,782 WARN L233 SmtUtils]: Spent 1.60m on a formula simplification. DAG size of input: 2825 DAG size of output: 2437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 05:52:45,053 WARN L233 SmtUtils]: Spent 2.81m on a formula simplification. DAG size of input: 2895 DAG size of output: 2452 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)