./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ba6eb72b2235d93ac0dcdd3f0e672793184c4cf65112c581319750a174c5bca8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:04:15,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:04:15,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:04:15,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:04:15,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:04:15,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:04:15,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:04:15,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:04:15,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:04:15,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:04:15,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:04:15,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:04:15,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:04:15,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:04:15,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:04:15,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:04:15,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:04:15,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:04:15,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:04:15,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:04:15,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:04:15,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:04:15,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:04:15,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:04:15,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:04:15,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:04:15,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:04:15,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:04:15,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:04:15,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:04:15,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:04:15,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:04:15,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:04:15,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:04:15,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:04:15,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:04:15,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:04:15,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:04:15,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:04:15,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:04:15,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:04:15,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 01:04:15,497 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:04:15,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:04:15,498 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:04:15,498 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:04:15,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:04:15,499 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:04:15,499 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:04:15,499 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:04:15,499 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:04:15,500 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:04:15,500 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:04:15,500 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:04:15,500 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:04:15,500 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:04:15,501 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:04:15,501 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:04:15,501 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:04:15,501 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:04:15,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:04:15,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:04:15,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:04:15,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:04:15,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:04:15,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:04:15,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:04:15,503 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:04:15,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:04:15,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:04:15,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:04:15,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:04:15,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:04:15,516 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:04:15,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:04:15,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:04:15,517 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:04:15,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:04:15,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:04:15,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:04:15,517 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_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba6eb72b2235d93ac0dcdd3f0e672793184c4cf65112c581319750a174c5bca8 [2022-11-26 01:04:15,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:04:15,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:04:15,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:04:15,861 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:04:15,862 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:04:15,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i [2022-11-26 01:04:18,982 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:04:19,613 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:04:19,614 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i [2022-11-26 01:04:19,652 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/data/8deed2b22/fc4720eb096c43fc95a2c454bb429a70/FLAG710ce218c [2022-11-26 01:04:19,670 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/data/8deed2b22/fc4720eb096c43fc95a2c454bb429a70 [2022-11-26 01:04:19,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:04:19,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:04:19,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:04:19,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:04:19,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:04:19,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:04:19" (1/1) ... [2022-11-26 01:04:19,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ebd318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:19, skipping insertion in model container [2022-11-26 01:04:19,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:04:19" (1/1) ... [2022-11-26 01:04:19,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:04:19,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:04:20,157 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_7a15b0f5-4003-4756-bb47-1be7fcb662b4/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4493,4506] [2022-11-26 01:04:20,170 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_7a15b0f5-4003-4756-bb47-1be7fcb662b4/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4553,4566] [2022-11-26 01:04:21,419 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,420 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,444 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,445 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,454 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,467 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,468 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,470 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,470 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,472 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,473 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,474 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,498 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:21,603 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 01:04:21,604 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 01:04:21,604 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 01:04:21,610 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 01:04:21,614 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 01:04:21,615 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 01:04:22,106 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 01:04:22,108 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 01:04:22,111 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 01:04:22,113 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 01:04:22,115 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 01:04:22,116 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 01:04:22,118 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 01:04:22,118 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 01:04:22,119 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 01:04:22,120 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 01:04:22,121 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 01:04:22,354 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 01:04:22,462 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 01:04:22,802 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,802 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,833 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,835 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,842 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,843 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,866 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,867 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,868 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,869 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,869 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,869 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,870 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:22,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:04:22,948 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:04:22,975 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_7a15b0f5-4003-4756-bb47-1be7fcb662b4/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4493,4506] [2022-11-26 01:04:22,976 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_7a15b0f5-4003-4756-bb47-1be7fcb662b4/sv-benchmarks/c/aws-c-common/aws_hash_table_move_harness.i[4553,4566] [2022-11-26 01:04:23,010 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,010 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,011 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,011 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,012 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,020 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,026 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,027 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,028 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,031 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,032 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,032 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,033 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,039 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 01:04:23,039 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 01:04:23,040 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 01:04:23,045 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 01:04:23,047 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 01:04:23,048 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 01:04:23,066 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 01:04:23,067 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 01:04:23,068 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 01:04:23,069 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 01:04:23,070 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 01:04:23,071 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 01:04:23,072 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 01:04:23,072 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 01:04:23,072 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 01:04:23,073 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 01:04:23,073 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 01:04:23,101 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 01:04:23,140 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 01:04:23,203 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,205 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,262 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,263 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,265 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,265 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,273 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,274 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,275 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,277 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,278 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,278 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,279 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 01:04:23,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:04:23,574 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:04:23,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23 WrapperNode [2022-11-26 01:04:23,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:04:23,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:04:23,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:04:23,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:04:23,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23" (1/1) ... [2022-11-26 01:04:23,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23" (1/1) ... [2022-11-26 01:04:23,730 INFO L138 Inliner]: procedures = 774, calls = 2431, calls flagged for inlining = 69, calls inlined = 12, statements flattened = 621 [2022-11-26 01:04:23,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:04:23,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:04:23,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:04:23,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:04:23,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23" (1/1) ... [2022-11-26 01:04:23,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23" (1/1) ... [2022-11-26 01:04:23,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23" (1/1) ... [2022-11-26 01:04:23,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23" (1/1) ... [2022-11-26 01:04:23,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23" (1/1) ... [2022-11-26 01:04:23,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23" (1/1) ... [2022-11-26 01:04:23,831 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23" (1/1) ... [2022-11-26 01:04:23,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23" (1/1) ... [2022-11-26 01:04:23,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:04:23,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:04:23,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:04:23,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:04:23,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23" (1/1) ... [2022-11-26 01:04:23,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:04:23,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:04:23,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:04:23,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:04:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-26 01:04:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:04:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-26 01:04:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-26 01:04:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 01:04:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 01:04:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-11-26 01:04:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-11-26 01:04:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 01:04:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:04:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 01:04:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:04:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:04:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-26 01:04:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-26 01:04:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-26 01:04:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-26 01:04:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 01:04:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 01:04:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:04:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-26 01:04:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-26 01:04:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 01:04:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-26 01:04:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-26 01:04:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:04:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-11-26 01:04:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-11-26 01:04:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:04:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-11-26 01:04:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-11-26 01:04:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 01:04:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 01:04:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-11-26 01:04:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-11-26 01:04:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 01:04:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-26 01:04:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-26 01:04:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-26 01:04:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-26 01:04:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:04:24,374 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:04:24,376 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:04:25,259 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:04:25,390 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:04:25,390 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 01:04:25,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:04:25 BoogieIcfgContainer [2022-11-26 01:04:25,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:04:25,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:04:25,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:04:25,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:04:25,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:04:19" (1/3) ... [2022-11-26 01:04:25,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a52168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:04:25, skipping insertion in model container [2022-11-26 01:04:25,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:04:23" (2/3) ... [2022-11-26 01:04:25,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a52168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:04:25, skipping insertion in model container [2022-11-26 01:04:25,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:04:25" (3/3) ... [2022-11-26 01:04:25,414 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_move_harness.i [2022-11-26 01:04:25,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:04:25,434 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 01:04:25,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:04:25,519 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;@271a39f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:04:25,519 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 01:04:25,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2022-11-26 01:04:25,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-26 01:04:25,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:25,541 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 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] [2022-11-26 01:04:25,542 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:04:25,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:25,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1806303517, now seen corresponding path program 1 times [2022-11-26 01:04:25,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:25,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489951142] [2022-11-26 01:04:25,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:25,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:26,080 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:04:26,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1869433732] [2022-11-26 01:04:26,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:26,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:04:26,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:04:26,089 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:04:26,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 01:04:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:26,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 2387 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-26 01:04:26,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:04:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-26 01:04:26,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:04:26,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:26,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489951142] [2022-11-26 01:04:26,864 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:04:26,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869433732] [2022-11-26 01:04:26,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869433732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:26,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:26,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:04:26,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261247100] [2022-11-26 01:04:26,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:26,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 01:04:26,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:26,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 01:04:26,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:04:26,933 INFO L87 Difference]: Start difference. First operand has 101 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 54 states have internal predecessors, (64), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 01:04:27,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:27,096 INFO L93 Difference]: Finished difference Result 136 states and 174 transitions. [2022-11-26 01:04:27,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 01:04:27,098 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 100 [2022-11-26 01:04:27,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:27,110 INFO L225 Difference]: With dead ends: 136 [2022-11-26 01:04:27,110 INFO L226 Difference]: Without dead ends: 99 [2022-11-26 01:04:27,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:04:27,123 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:27,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:04:27,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-26 01:04:27,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-11-26 01:04:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 52 states have (on average 1.1538461538461537) internal successors, (60), 53 states have internal predecessors, (60), 32 states have call successors, (32), 14 states have call predecessors, (32), 14 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-11-26 01:04:27,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 123 transitions. [2022-11-26 01:04:27,187 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 123 transitions. Word has length 100 [2022-11-26 01:04:27,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:27,190 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 123 transitions. [2022-11-26 01:04:27,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 01:04:27,191 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 123 transitions. [2022-11-26 01:04:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-26 01:04:27,204 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:27,205 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 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] [2022-11-26 01:04:27,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:04:27,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-26 01:04:27,416 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:04:27,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:27,418 INFO L85 PathProgramCache]: Analyzing trace with hash 493483735, now seen corresponding path program 1 times [2022-11-26 01:04:27,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:27,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256974774] [2022-11-26 01:04:27,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:27,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:27,575 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:04:27,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764740837] [2022-11-26 01:04:27,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:27,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:04:27,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:04:27,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:04:27,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 01:04:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:28,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 2415 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 01:04:28,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:04:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-26 01:04:28,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:04:28,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:28,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256974774] [2022-11-26 01:04:28,313 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:04:28,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764740837] [2022-11-26 01:04:28,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764740837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:28,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:28,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 01:04:28,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451628849] [2022-11-26 01:04:28,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:28,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 01:04:28,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:28,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 01:04:28,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 01:04:28,317 INFO L87 Difference]: Start difference. First operand 99 states and 123 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 01:04:29,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:29,833 INFO L93 Difference]: Finished difference Result 192 states and 239 transitions. [2022-11-26 01:04:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 01:04:29,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 105 [2022-11-26 01:04:29,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:29,835 INFO L225 Difference]: With dead ends: 192 [2022-11-26 01:04:29,837 INFO L226 Difference]: Without dead ends: 103 [2022-11-26 01:04:29,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:04:29,840 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:29,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 407 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 01:04:29,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-26 01:04:29,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-11-26 01:04:29,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 56 states have internal predecessors, (63), 32 states have call successors, (32), 14 states have call predecessors, (32), 15 states have return successors, (32), 32 states have call predecessors, (32), 31 states have call successors, (32) [2022-11-26 01:04:29,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 127 transitions. [2022-11-26 01:04:29,861 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 127 transitions. Word has length 105 [2022-11-26 01:04:29,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:29,863 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 127 transitions. [2022-11-26 01:04:29,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 01:04:29,863 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 127 transitions. [2022-11-26 01:04:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-26 01:04:29,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:29,874 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 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] [2022-11-26 01:04:29,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 01:04:30,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:04:30,087 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:04:30,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:30,088 INFO L85 PathProgramCache]: Analyzing trace with hash -774970137, now seen corresponding path program 1 times [2022-11-26 01:04:30,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:04:30,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484564995] [2022-11-26 01:04:30,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:30,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:04:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-26 01:04:32,512 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:04:32,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484564995] [2022-11-26 01:04:32,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484564995] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:04:32,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203439839] [2022-11-26 01:04:32,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:32,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:04:32,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:04:32,514 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:04:32,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 01:04:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:33,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 2421 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-26 01:04:33,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:04:33,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 01:04:34,279 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 01:04:34,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2022-11-26 01:04:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-26 01:04:34,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:04:34,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203439839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:34,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:04:34,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [8] total 18 [2022-11-26 01:04:34,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186093699] [2022-11-26 01:04:34,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:34,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 01:04:34,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:04:34,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 01:04:34,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2022-11-26 01:04:34,931 INFO L87 Difference]: Start difference. First operand 103 states and 127 transitions. Second operand has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 7 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (25), 8 states have call predecessors, (25), 6 states have call successors, (25) [2022-11-26 01:04:40,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:04:42,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:04:44,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:04:46,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:04:48,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:04:51,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:04:53,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:04:55,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:04:57,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:04:59,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:01,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:03,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:06,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:08,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:10,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:12,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:14,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:16,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:17,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:17,493 INFO L93 Difference]: Finished difference Result 238 states and 291 transitions. [2022-11-26 01:05:17,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 01:05:17,494 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 7 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (25), 8 states have call predecessors, (25), 6 states have call successors, (25) Word has length 113 [2022-11-26 01:05:17,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:17,497 INFO L225 Difference]: With dead ends: 238 [2022-11-26 01:05:17,498 INFO L226 Difference]: Without dead ends: 212 [2022-11-26 01:05:17,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 92 SyntacticMatches, 15 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2022-11-26 01:05:17,499 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 139 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 145 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:17,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 530 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1283 Invalid, 20 Unknown, 0 Unchecked, 42.0s Time] [2022-11-26 01:05:17,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-11-26 01:05:17,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2022-11-26 01:05:17,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 112 states have (on average 1.1696428571428572) internal successors, (131), 118 states have internal predecessors, (131), 58 states have call successors, (58), 31 states have call predecessors, (58), 35 states have return successors, (67), 56 states have call predecessors, (67), 56 states have call successors, (67) [2022-11-26 01:05:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 256 transitions. [2022-11-26 01:05:17,537 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 256 transitions. Word has length 113 [2022-11-26 01:05:17,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:17,537 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 256 transitions. [2022-11-26 01:05:17,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 7 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (25), 8 states have call predecessors, (25), 6 states have call successors, (25) [2022-11-26 01:05:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 256 transitions. [2022-11-26 01:05:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-26 01:05:17,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:17,540 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:05:17,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 01:05:17,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:05:17,750 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:05:17,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:17,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1727892621, now seen corresponding path program 1 times [2022-11-26 01:05:17,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:17,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9405461] [2022-11-26 01:05:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:17,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:17,858 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:05:17,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [630470935] [2022-11-26 01:05:17,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:17,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:05:17,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:05:17,864 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:05:17,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 01:05:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:18,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 2521 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-26 01:05:18,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:05:18,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 01:05:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-26 01:05:18,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:05:18,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:18,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9405461] [2022-11-26 01:05:18,972 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:05:18,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630470935] [2022-11-26 01:05:18,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630470935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:18,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:18,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 01:05:18,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106540715] [2022-11-26 01:05:18,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:18,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 01:05:18,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:18,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 01:05:18,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-26 01:05:18,975 INFO L87 Difference]: Start difference. First operand 206 states and 256 transitions. Second operand has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-26 01:05:22,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:05:25,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:27,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:29,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:31,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:33,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:35,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:37,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:39,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:41,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:43,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:45,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:45,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:05:45,954 INFO L93 Difference]: Finished difference Result 377 states and 459 transitions. [2022-11-26 01:05:45,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 01:05:45,955 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 118 [2022-11-26 01:05:45,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:05:45,957 INFO L225 Difference]: With dead ends: 377 [2022-11-26 01:05:45,957 INFO L226 Difference]: Without dead ends: 224 [2022-11-26 01:05:45,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-11-26 01:05:45,959 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 89 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 33 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-11-26 01:05:45,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 585 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 427 Invalid, 12 Unknown, 0 Unchecked, 26.7s Time] [2022-11-26 01:05:45,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2022-11-26 01:05:45,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 223. [2022-11-26 01:05:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 121 states have (on average 1.165289256198347) internal successors, (141), 128 states have internal predecessors, (141), 60 states have call successors, (60), 35 states have call predecessors, (60), 41 states have return successors, (70), 59 states have call predecessors, (70), 58 states have call successors, (70) [2022-11-26 01:05:45,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 271 transitions. [2022-11-26 01:05:45,995 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 271 transitions. Word has length 118 [2022-11-26 01:05:45,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:05:45,996 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 271 transitions. [2022-11-26 01:05:45,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-26 01:05:45,996 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 271 transitions. [2022-11-26 01:05:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-26 01:05:45,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:05:45,999 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:05:46,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-26 01:05:46,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:05:46,207 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:05:46,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:05:46,208 INFO L85 PathProgramCache]: Analyzing trace with hash 699429012, now seen corresponding path program 1 times [2022-11-26 01:05:46,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:05:46,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777034025] [2022-11-26 01:05:46,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:46,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:05:46,285 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:05:46,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [48554698] [2022-11-26 01:05:46,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:05:46,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:05:46,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:05:46,287 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:05:46,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 01:05:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:05:46,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 2545 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-26 01:05:46,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:05:47,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 01:05:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-26 01:05:47,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:05:47,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:05:47,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777034025] [2022-11-26 01:05:47,221 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:05:47,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48554698] [2022-11-26 01:05:47,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48554698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:05:47,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:05:47,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 01:05:47,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348381060] [2022-11-26 01:05:47,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:05:47,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 01:05:47,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:05:47,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 01:05:47,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-11-26 01:05:47,226 INFO L87 Difference]: Start difference. First operand 223 states and 271 transitions. Second operand has 12 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-26 01:05:52,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:05:54,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:56,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:05:59,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:06:01,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:06:03,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:06:05,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:06:07,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:06:09,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:06:11,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:06:13,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:06:16,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:06:16,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:16,111 INFO L93 Difference]: Finished difference Result 395 states and 477 transitions. [2022-11-26 01:06:16,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-26 01:06:16,112 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) Word has length 124 [2022-11-26 01:06:16,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:16,114 INFO L225 Difference]: With dead ends: 395 [2022-11-26 01:06:16,114 INFO L226 Difference]: Without dead ends: 229 [2022-11-26 01:06:16,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2022-11-26 01:06:16,116 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 87 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 36 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 803 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:16,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 803 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 725 Invalid, 12 Unknown, 0 Unchecked, 28.6s Time] [2022-11-26 01:06:16,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2022-11-26 01:06:16,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 226. [2022-11-26 01:06:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 123 states have (on average 1.1626016260162602) internal successors, (143), 130 states have internal predecessors, (143), 60 states have call successors, (60), 35 states have call predecessors, (60), 42 states have return successors, (71), 60 states have call predecessors, (71), 58 states have call successors, (71) [2022-11-26 01:06:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 274 transitions. [2022-11-26 01:06:16,148 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 274 transitions. Word has length 124 [2022-11-26 01:06:16,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:16,149 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 274 transitions. [2022-11-26 01:06:16,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-26 01:06:16,149 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 274 transitions. [2022-11-26 01:06:16,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-26 01:06:16,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:16,151 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:16,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 01:06:16,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:06:16,360 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:06:16,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:16,360 INFO L85 PathProgramCache]: Analyzing trace with hash 536078822, now seen corresponding path program 1 times [2022-11-26 01:06:16,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:16,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826453593] [2022-11-26 01:06:16,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:16,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:16,438 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:06:16,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1004267805] [2022-11-26 01:06:16,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:16,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:06:16,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:06:16,440 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:06:16,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 01:06:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:17,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 2574 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-26 01:06:17,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:06:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-26 01:06:17,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:06:17,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:17,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826453593] [2022-11-26 01:06:17,057 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:06:17,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004267805] [2022-11-26 01:06:17,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004267805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:17,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:06:17,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 01:06:17,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085285507] [2022-11-26 01:06:17,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:17,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:06:17,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:17,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:06:17,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:06:17,060 INFO L87 Difference]: Start difference. First operand 226 states and 274 transitions. Second operand has 6 states, 3 states have (on average 18.333333333333332) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-26 01:06:18,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:06:18,308 INFO L93 Difference]: Finished difference Result 302 states and 367 transitions. [2022-11-26 01:06:18,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:06:18,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 3 states have (on average 18.333333333333332) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 128 [2022-11-26 01:06:18,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:06:18,311 INFO L225 Difference]: With dead ends: 302 [2022-11-26 01:06:18,311 INFO L226 Difference]: Without dead ends: 228 [2022-11-26 01:06:18,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 01:06:18,313 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:06:18,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 449 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 01:06:18,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-11-26 01:06:18,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2022-11-26 01:06:18,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 124 states have (on average 1.153225806451613) internal successors, (143), 132 states have internal predecessors, (143), 60 states have call successors, (60), 35 states have call predecessors, (60), 43 states have return successors, (73), 60 states have call predecessors, (73), 58 states have call successors, (73) [2022-11-26 01:06:18,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 276 transitions. [2022-11-26 01:06:18,345 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 276 transitions. Word has length 128 [2022-11-26 01:06:18,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:06:18,345 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 276 transitions. [2022-11-26 01:06:18,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 3 states have (on average 18.333333333333332) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-26 01:06:18,346 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 276 transitions. [2022-11-26 01:06:18,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-26 01:06:18,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:06:18,348 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2022-11-26 01:06:18,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 01:06:18,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-26 01:06:18,559 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:06:18,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:06:18,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1108403129, now seen corresponding path program 1 times [2022-11-26 01:06:18,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:06:18,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763377902] [2022-11-26 01:06:18,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:18,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:06:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:19,991 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-26 01:06:19,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:06:19,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763377902] [2022-11-26 01:06:19,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763377902] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:06:19,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775118816] [2022-11-26 01:06:19,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:06:19,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:06:19,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:06:19,993 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:06:20,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 01:06:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:06:20,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 2517 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-26 01:06:20,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:06:23,285 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (and (not (= aws_hash_table_is_valid_~map.base 0)) (not (= 0 (select (select |c_#memory_$Pointer$.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset))))) (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (and (not (= (select (select |c_#memory_$Pointer$.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0)) (not (= aws_hash_table_is_valid_~map.base 0)))) (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (and (not (= (select (select |c_#memory_$Pointer$.base| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset) 0)) (not (= aws_hash_table_is_valid_~map.offset 0)))) (exists ((aws_hash_table_is_valid_~map.base Int) (aws_hash_table_is_valid_~map.offset Int)) (and (not (= aws_hash_table_is_valid_~map.offset 0)) (not (= 0 (select (select |c_#memory_$Pointer$.offset| aws_hash_table_is_valid_~map.base) aws_hash_table_is_valid_~map.offset)))))) is different from true [2022-11-26 01:06:35,416 WARN L233 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:06:47,549 WARN L233 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:06:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-11-26 01:06:47,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:06:47,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775118816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:06:47,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:06:47,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2022-11-26 01:06:47,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033056095] [2022-11-26 01:06:47,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:06:47,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 01:06:47,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:06:47,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 01:06:47,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=174, Unknown=3, NotChecked=26, Total=240 [2022-11-26 01:06:47,627 INFO L87 Difference]: Start difference. First operand 228 states and 276 transitions. Second operand has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 5 states have call successors, (25) [2022-11-26 01:07:00,327 WARN L233 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:07:00,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:00,839 INFO L93 Difference]: Finished difference Result 310 states and 377 transitions. [2022-11-26 01:07:00,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 01:07:00,840 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 5 states have call successors, (25) Word has length 130 [2022-11-26 01:07:00,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:00,847 INFO L225 Difference]: With dead ends: 310 [2022-11-26 01:07:00,847 INFO L226 Difference]: Without dead ends: 223 [2022-11-26 01:07:00,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 36.7s TimeCoverageRelationStatistics Valid=55, Invalid=252, Unknown=3, NotChecked=32, Total=342 [2022-11-26 01:07:00,848 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 21 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 129 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:00,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 556 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 237 Invalid, 0 Unknown, 129 Unchecked, 3.0s Time] [2022-11-26 01:07:00,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-11-26 01:07:00,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-11-26 01:07:00,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 121 states have (on average 1.1322314049586777) internal successors, (137), 128 states have internal predecessors, (137), 60 states have call successors, (60), 35 states have call predecessors, (60), 41 states have return successors, (71), 59 states have call predecessors, (71), 58 states have call successors, (71) [2022-11-26 01:07:00,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 268 transitions. [2022-11-26 01:07:00,906 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 268 transitions. Word has length 130 [2022-11-26 01:07:00,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:00,906 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 268 transitions. [2022-11-26 01:07:00,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 5 states have call successors, (25) [2022-11-26 01:07:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 268 transitions. [2022-11-26 01:07:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-26 01:07:00,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:00,909 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 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, 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] [2022-11-26 01:07:00,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-26 01:07:01,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-26 01:07:01,121 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:01,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:01,121 INFO L85 PathProgramCache]: Analyzing trace with hash 761576757, now seen corresponding path program 1 times [2022-11-26 01:07:01,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:01,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061044866] [2022-11-26 01:07:01,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:01,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:05,830 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-26 01:07:05,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:05,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061044866] [2022-11-26 01:07:05,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061044866] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:07:05,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419850772] [2022-11-26 01:07:05,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:05,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:07:05,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:07:05,832 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:07:05,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-26 01:07:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:06,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 2546 conjuncts, 81 conjunts are in the unsatisfiable core [2022-11-26 01:07:06,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:07:06,721 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-26 01:07:06,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:07:06,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419850772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:06,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 01:07:06,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 21 [2022-11-26 01:07:06,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72352771] [2022-11-26 01:07:06,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:06,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 01:07:06,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:06,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 01:07:06,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2022-11-26 01:07:06,725 INFO L87 Difference]: Start difference. First operand 223 states and 268 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-26 01:07:07,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:07,974 INFO L93 Difference]: Finished difference Result 403 states and 480 transitions. [2022-11-26 01:07:07,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 01:07:07,974 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 134 [2022-11-26 01:07:07,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:07,976 INFO L225 Difference]: With dead ends: 403 [2022-11-26 01:07:07,976 INFO L226 Difference]: Without dead ends: 223 [2022-11-26 01:07:07,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2022-11-26 01:07:07,978 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 15 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:07,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 325 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 01:07:07,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-11-26 01:07:08,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-11-26 01:07:08,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 121 states have (on average 1.1239669421487604) internal successors, (136), 128 states have internal predecessors, (136), 60 states have call successors, (60), 35 states have call predecessors, (60), 41 states have return successors, (71), 59 states have call predecessors, (71), 58 states have call successors, (71) [2022-11-26 01:07:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 267 transitions. [2022-11-26 01:07:08,010 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 267 transitions. Word has length 134 [2022-11-26 01:07:08,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:08,010 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 267 transitions. [2022-11-26 01:07:08,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-26 01:07:08,011 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 267 transitions. [2022-11-26 01:07:08,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-26 01:07:08,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:08,013 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:07:08,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-26 01:07:08,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:07:08,233 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:08,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:08,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1684625957, now seen corresponding path program 1 times [2022-11-26 01:07:08,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:08,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907204292] [2022-11-26 01:07:08,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:08,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:08,301 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:07:08,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [699434595] [2022-11-26 01:07:08,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:08,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:07:08,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:07:08,303 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:07:08,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-26 01:07:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:09,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 2646 conjuncts, 81 conjunts are in the unsatisfiable core [2022-11-26 01:07:09,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:07:09,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 01:07:09,581 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-26 01:07:09,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:07:09,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:09,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907204292] [2022-11-26 01:07:09,582 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:07:09,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699434595] [2022-11-26 01:07:09,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699434595] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:07:09,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:07:09,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-26 01:07:09,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191208184] [2022-11-26 01:07:09,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:07:09,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-26 01:07:09,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:07:09,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-26 01:07:09,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-26 01:07:09,585 INFO L87 Difference]: Start difference. First operand 223 states and 267 transitions. Second operand has 11 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 7 states have call successors, (31), 4 states have call predecessors, (31), 7 states have return successors, (30), 8 states have call predecessors, (30), 7 states have call successors, (30) [2022-11-26 01:07:13,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 01:07:15,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:07:17,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:07:19,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:07:21,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:07:23,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:07:25,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:07:27,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:07:29,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:07:32,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:07:34,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:07:36,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:07:38,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 01:07:38,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:07:38,228 INFO L93 Difference]: Finished difference Result 332 states and 398 transitions. [2022-11-26 01:07:38,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 01:07:38,229 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 7 states have call successors, (31), 4 states have call predecessors, (31), 7 states have return successors, (30), 8 states have call predecessors, (30), 7 states have call successors, (30) Word has length 139 [2022-11-26 01:07:38,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:07:38,230 INFO L225 Difference]: With dead ends: 332 [2022-11-26 01:07:38,231 INFO L226 Difference]: Without dead ends: 222 [2022-11-26 01:07:38,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 127 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2022-11-26 01:07:38,232 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 92 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 99 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2022-11-26 01:07:38,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 346 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 662 Invalid, 13 Unknown, 0 Unchecked, 28.4s Time] [2022-11-26 01:07:38,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-11-26 01:07:38,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 221. [2022-11-26 01:07:38,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 120 states have (on average 1.1166666666666667) internal successors, (134), 126 states have internal predecessors, (134), 60 states have call successors, (60), 35 states have call predecessors, (60), 40 states have return successors, (70), 59 states have call predecessors, (70), 58 states have call successors, (70) [2022-11-26 01:07:38,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 264 transitions. [2022-11-26 01:07:38,262 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 264 transitions. Word has length 139 [2022-11-26 01:07:38,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:07:38,263 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 264 transitions. [2022-11-26 01:07:38,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 7 states have call successors, (31), 4 states have call predecessors, (31), 7 states have return successors, (30), 8 states have call predecessors, (30), 7 states have call successors, (30) [2022-11-26 01:07:38,263 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 264 transitions. [2022-11-26 01:07:38,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-26 01:07:38,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:07:38,266 INFO L195 NwaCegarLoop]: trace histogram [10, 3, 3, 3, 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, 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] [2022-11-26 01:07:38,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-11-26 01:07:38,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-26 01:07:38,476 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 01:07:38,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:07:38,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1077344539, now seen corresponding path program 1 times [2022-11-26 01:07:38,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:07:38,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819250585] [2022-11-26 01:07:38,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:38,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:07:38,579 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 01:07:38,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [78642891] [2022-11-26 01:07:38,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:07:38,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 01:07:38,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:07:38,584 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 01:07:38,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a15b0f5-4003-4756-bb47-1be7fcb662b4/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-26 01:07:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:07:39,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 2727 conjuncts, 126 conjunts are in the unsatisfiable core [2022-11-26 01:07:39,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:07:39,482 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 01:07:39,726 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 [2022-11-26 01:07:39,732 WARN L859 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_1395 Int)) (= (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_1395)) |c_#memory_$Pointer$.base|)) is different from true [2022-11-26 01:07:41,857 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1397 Int) (v_ArrVal_1399 Int) (|aws_add_size_checked_aws_add_u64_checked_~r#1.base| Int)) (and (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_add_size_checked_aws_add_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_add_size_checked_aws_add_u64_checked_~r#1.base|) |c_aws_add_size_checked_#in~r#1.offset| v_ArrVal_1397))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_add_size_checked_aws_add_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_add_size_checked_aws_add_u64_checked_~r#1.base|) |c_aws_add_size_checked_#in~r#1.offset| v_ArrVal_1399))))) is different from true [2022-11-26 01:07:41,871 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 [2022-11-26 01:07:41,878 WARN L859 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_1395 Int) (v_ArrVal_1397 Int) (|aws_add_size_checked_aws_add_u64_checked_~r#1.base| Int)) (= |c_#memory_$Pointer$.base| (let ((.cse0 (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) 0 v_ArrVal_1395)))) (store .cse0 |aws_add_size_checked_aws_add_u64_checked_~r#1.base| (store (select .cse0 |aws_add_size_checked_aws_add_u64_checked_~r#1.base|) |c_hash_table_state_required_bytes_#in~required_bytes.offset| v_ArrVal_1397))))) is different from true [2022-11-26 01:07:41,931 INFO L321 Elim1Store]: treesize reduction 39, result has 40.0 percent of original size [2022-11-26 01:07:41,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 37 [2022-11-26 01:07:42,439 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 01:07:42,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 28 [2022-11-26 01:07:42,453 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-26 01:07:42,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 28 [2022-11-26 01:07:43,410 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 45 proven. 31 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-26 01:07:43,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 01:07:45,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:07:45,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819250585] [2022-11-26 01:07:45,796 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 01:07:45,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78642891] [2022-11-26 01:07:45,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78642891] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 01:07:45,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [502878907] [2022-11-26 01:07:45,825 INFO L159 IcfgInterpreter]: Started Sifa with 84 locations of interest [2022-11-26 01:07:45,825 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 01:07:45,832 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 01:07:45,840 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 01:07:45,840 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 01:07:48,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:48,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:07:49,440 INFO L217 Elim1Store]: Index analysis took 748 ms [2022-11-26 01:09:18,760 WARN L233 SmtUtils]: Spent 1.49m on a formula simplification. DAG size of input: 3135 DAG size of output: 1567 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:09:18,768 INFO L321 Elim1Store]: treesize reduction 7432, result has 25.5 percent of original size [2022-11-26 01:09:18,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19310 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 588 case distinctions, treesize of input 1009 treesize of output 3157 [2022-11-26 01:09:24,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:09:24,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:09:24,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19505 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 990 treesize of output 1579 [2022-11-26 01:12:37,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:37,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:37,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:12:37,508 INFO L217 Elim1Store]: Index analysis took 336 ms [2022-11-26 01:12:55,344 WARN L233 SmtUtils]: Spent 17.79s on a formula simplification. DAG size of input: 1776 DAG size of output: 1181 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:12:55,348 INFO L321 Elim1Store]: treesize reduction 1978, result has 47.2 percent of original size [2022-11-26 01:12:55,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19507 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 197 case distinctions, treesize of input 997 treesize of output 2370 [2022-11-26 01:13:03,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:03,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:13:04,455 INFO L217 Elim1Store]: Index analysis took 759 ms [2022-11-26 01:13:33,471 WARN L233 SmtUtils]: Spent 28.97s on a formula simplification. DAG size of input: 2172 DAG size of output: 1185 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 01:13:33,474 INFO L321 Elim1Store]: treesize reduction 3546, result has 33.3 percent of original size [2022-11-26 01:13:33,477 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 200 select indices, 200 select index equivalence classes, 19703 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 394 case distinctions, treesize of input 1007 treesize of output 2389 [2022-11-26 01:13:58,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 01:13:58,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 01:13:58,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 01:13:58,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 01:13:58,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:13:58,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:13:58,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 01:13:58,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:13:58,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:13:58,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:13:58,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:13:58,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:13:58,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 01:13:58,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 01:13:58,964 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 13 treesize of output 9 [2022-11-26 01:13:58,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:13:58,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:13:58,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 01:13:59,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 17 treesize of output 9 [2022-11-26 01:13:59,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:13:59,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:13:59,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:13:59,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:13:59,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 17 treesize of output 9 [2022-11-26 01:13:59,109 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 01:13:59,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-26 01:14:05,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:05,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:05,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:05,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19704 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-26 01:14:06,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:06,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:06,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:06,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19900 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 0 case distinctions, treesize of input 1001 treesize of output 601 [2022-11-26 01:14:08,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:08,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:08,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:08,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:08,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:08,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:08,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:08,208 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 [2022-11-26 01:14:09,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:09,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:09,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:09,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:09,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:09,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:09,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:09,540 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 [2022-11-26 01:14:10,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:10,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-26 01:14:31,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:31,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:31,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:31,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:31,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:31,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:31,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:31,195 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 [2022-11-26 01:14:31,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:31,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:31,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:31,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19704 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-26 01:14:32,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:32,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:32,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 200 select indices, 200 select index equivalence classes, 19900 disjoint index pairs (out of 19900 index pairs), introduced 200 new quantified variables, introduced 0 case distinctions, treesize of input 1001 treesize of output 601 [2022-11-26 01:14:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,189 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 [2022-11-26 01:14:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:14:34,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-26 01:14:55,969 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 [2022-11-26 01:14:55,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 01:14:58,497 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 01:14:58,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 01:14:58,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:15:02,453 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 01:15:02,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 01:15:02,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 01:15:07,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:07,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2022-11-26 01:15:07,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:07,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2022-11-26 01:15:08,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:08,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:08,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:08,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 202 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 49 [2022-11-26 01:15:08,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:08,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 200 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-26 01:15:09,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:09,311 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2022-11-26 01:15:35,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:35,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:35,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:35,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2022-11-26 01:15:36,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:36,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:36,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:36,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:36,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:36,121 INFO L321 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2022-11-26 01:15:36,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 205 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2022-11-26 01:15:51,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:15:51,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:15:51,841 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 01:15:52,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:52,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:52,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:52,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:52,505 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:15:52,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 2540 treesize of output 2530 [2022-11-26 01:15:52,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:53,044 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-26 01:15:53,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 2496 treesize of output 2490 [2022-11-26 01:15:53,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:53,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:15:53,439 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:15:53,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2495 treesize of output 2511 [2022-11-26 01:17:05,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:17:05,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 01:17:05,311 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 01:17:19,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:17:19,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:17:19,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:17:19,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:17:19,756 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:17:19,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 2540 treesize of output 2562 [2022-11-26 01:17:20,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:17:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:17:20,319 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-26 01:17:20,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 2496 treesize of output 2490 [2022-11-26 01:17:20,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:17:20,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 01:17:20,811 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 01:17:20,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2495 treesize of output 2511