./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS --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 b8e2b19500a9ff32f182f41fca1db48d6268985503aaacd0cb9efdaafa7d6419 --- 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-8393723 [2022-11-19 06:46:31,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:46:31,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:46:31,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:46:31,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:46:31,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:46:31,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:46:31,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:46:31,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:46:31,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:46:31,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:46:31,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:46:31,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:46:31,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:46:31,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:46:31,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:46:31,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:46:31,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:46:31,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:46:31,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:46:31,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:46:31,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:46:31,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:46:31,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:46:31,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:46:31,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:46:31,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:46:31,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:46:31,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:46:31,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:46:31,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:46:31,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:46:31,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:46:31,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:46:31,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:46:31,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:46:31,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:46:31,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:46:31,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:46:31,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:46:31,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:46:31,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:46:31,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:46:31,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:46:31,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:46:31,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:46:31,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:46:31,515 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:46:31,515 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:46:31,515 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:46:31,516 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:46:31,516 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:46:31,517 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:46:31,517 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:46:31,517 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:46:31,518 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:46:31,518 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:46:31,518 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:46:31,518 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:46:31,518 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:46:31,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:46:31,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:46:31,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:46:31,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:46:31,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:46:31,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:46:31,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:46:31,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:46:31,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:46:31,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:46:31,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:46:31,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:46:31,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:46:31,530 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:46:31,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:46:31,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:46:31,531 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:46:31,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:46:31,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:46:31,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:46:31,532 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_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8e2b19500a9ff32f182f41fca1db48d6268985503aaacd0cb9efdaafa7d6419 [2022-11-19 06:46:31,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:46:31,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:46:31,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:46:31,889 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:46:31,890 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:46:31,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2022-11-19 06:46:31,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/data/db9fe7279/d8c78802bcb648fc8317da0dd395c309/FLAGe339b4a71 [2022-11-19 06:46:32,776 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:46:32,778 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i [2022-11-19 06:46:32,816 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/data/db9fe7279/d8c78802bcb648fc8317da0dd395c309/FLAGe339b4a71 [2022-11-19 06:46:32,842 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/data/db9fe7279/d8c78802bcb648fc8317da0dd395c309 [2022-11-19 06:46:32,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:46:32,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:46:32,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:46:32,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:46:32,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:46:32,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:46:32" (1/1) ... [2022-11-19 06:46:32,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195b8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:32, skipping insertion in model container [2022-11-19 06:46:32,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:46:32" (1/1) ... [2022-11-19 06:46:32,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:46:32,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:46:33,259 WARN L234 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_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2022-11-19 06:46:33,267 WARN L234 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_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2022-11-19 06:46:34,097 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 06:46:34,200 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:34,202 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:34,205 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:34,207 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:34,209 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:34,231 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:34,240 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:34,241 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:34,242 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:34,584 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 06:46:34,585 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 06:46:34,587 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 06:46:34,593 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 06:46:34,596 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 06:46:34,602 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 06:46:34,603 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 06:46:34,604 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 06:46:34,607 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 06:46:34,608 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 06:46:34,756 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:34,756 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:34,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:46:34,884 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:46:34,898 WARN L234 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_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4501,4514] [2022-11-19 06:46:34,898 WARN L234 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_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/sv-benchmarks/c/aws-c-common/aws_priority_queue_capacity_harness.i[4561,4574] [2022-11-19 06:46:34,966 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-19 06:46:34,987 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:35,001 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:35,001 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:35,002 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:35,003 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:35,011 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:35,011 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:35,012 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:35,013 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:35,073 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-19 06:46:35,074 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-19 06:46:35,075 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-19 06:46:35,076 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-19 06:46:35,079 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-19 06:46:35,079 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-19 06:46:35,081 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-19 06:46:35,081 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-19 06:46:35,082 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-19 06:46:35,082 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-19 06:46:35,138 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:35,138 WARN L1568 CHandler]: Possible shadowing of function index [2022-11-19 06:46:35,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:46:35,459 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:46:35,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35 WrapperNode [2022-11-19 06:46:35,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:46:35,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:46:35,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:46:35,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:46:35,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35" (1/1) ... [2022-11-19 06:46:35,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35" (1/1) ... [2022-11-19 06:46:35,659 INFO L138 Inliner]: procedures = 689, calls = 1535, calls flagged for inlining = 55, calls inlined = 11, statements flattened = 691 [2022-11-19 06:46:35,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:46:35,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:46:35,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:46:35,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:46:35,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35" (1/1) ... [2022-11-19 06:46:35,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35" (1/1) ... [2022-11-19 06:46:35,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35" (1/1) ... [2022-11-19 06:46:35,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35" (1/1) ... [2022-11-19 06:46:35,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35" (1/1) ... [2022-11-19 06:46:35,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35" (1/1) ... [2022-11-19 06:46:35,780 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35" (1/1) ... [2022-11-19 06:46:35,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35" (1/1) ... [2022-11-19 06:46:35,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:46:35,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:46:35,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:46:35,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:46:35,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35" (1/1) ... [2022-11-19 06:46:35,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:46:35,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:35,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:46:35,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:46:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-19 06:46:35,884 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-19 06:46:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:46:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-19 06:46:35,886 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-19 06:46:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-19 06:46:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-19 06:46:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-19 06:46:35,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-19 06:46:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:46:35,888 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-19 06:46:35,888 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-19 06:46:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-19 06:46:35,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-19 06:46:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:46:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:46:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-19 06:46:35,889 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-19 06:46:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:46:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:46:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:46:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-19 06:46:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-19 06:46:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-19 06:46:35,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-19 06:46:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-19 06:46:35,891 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-19 06:46:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-19 06:46:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-19 06:46:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:46:35,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:46:35,893 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-19 06:46:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-19 06:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-19 06:46:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-19 06:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:46:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2022-11-19 06:46:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2022-11-19 06:46:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-19 06:46:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-19 06:46:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:46:36,277 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:46:36,279 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:46:37,429 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:46:37,654 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:46:37,654 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 06:46:37,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:46:37 BoogieIcfgContainer [2022-11-19 06:46:37,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:46:37,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:46:37,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:46:37,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:46:37,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:46:32" (1/3) ... [2022-11-19 06:46:37,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84d90c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:46:37, skipping insertion in model container [2022-11-19 06:46:37,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:46:35" (2/3) ... [2022-11-19 06:46:37,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84d90c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:46:37, skipping insertion in model container [2022-11-19 06:46:37,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:46:37" (3/3) ... [2022-11-19 06:46:37,669 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_capacity_harness.i [2022-11-19 06:46:37,688 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:46:37,689 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:46:37,790 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:46:37,801 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e43b50c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:46:37,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:46:37,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 76 states have (on average 1.1973684210526316) internal successors, (91), 77 states have internal predecessors, (91), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-11-19 06:46:37,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-19 06:46:37,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:37,825 INFO L195 NwaCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:37,825 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:37,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:37,833 INFO L85 PathProgramCache]: Analyzing trace with hash 2033814116, now seen corresponding path program 1 times [2022-11-19 06:46:37,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:37,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277242562] [2022-11-19 06:46:37,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:37,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:38,327 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:46:38,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1949549746] [2022-11-19 06:46:38,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:38,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:38,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:38,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:38,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:46:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:38,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:46:38,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:46:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-19 06:46:39,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:46:39,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:39,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277242562] [2022-11-19 06:46:39,142 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:46:39,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949549746] [2022-11-19 06:46:39,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949549746] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:39,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:39,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:46:39,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678670469] [2022-11-19 06:46:39,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:39,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:46:39,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:39,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:46:39,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:46:39,199 INFO L87 Difference]: Start difference. First operand has 134 states, 76 states have (on average 1.1973684210526316) internal successors, (91), 77 states have internal predecessors, (91), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-19 06:46:39,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:39,705 INFO L93 Difference]: Finished difference Result 234 states and 312 transitions. [2022-11-19 06:46:39,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:46:39,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 87 [2022-11-19 06:46:39,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:39,716 INFO L225 Difference]: With dead ends: 234 [2022-11-19 06:46:39,717 INFO L226 Difference]: Without dead ends: 132 [2022-11-19 06:46:39,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:46:39,723 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 22 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:39,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 507 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:46:39,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-19 06:46:39,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-11-19 06:46:39,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 75 states have (on average 1.1733333333333333) internal successors, (88), 76 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-11-19 06:46:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 167 transitions. [2022-11-19 06:46:39,773 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 167 transitions. Word has length 87 [2022-11-19 06:46:39,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:39,775 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 167 transitions. [2022-11-19 06:46:39,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-19 06:46:39,775 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 167 transitions. [2022-11-19 06:46:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-19 06:46:39,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:39,779 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:39,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:46:39,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-19 06:46:39,989 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:39,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:39,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1232881202, now seen corresponding path program 1 times [2022-11-19 06:46:39,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:39,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985204678] [2022-11-19 06:46:39,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:39,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:40,184 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:46:40,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [280852377] [2022-11-19 06:46:40,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:40,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:40,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:40,188 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:40,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:46:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:40,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-19 06:46:40,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:46:40,897 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-19 06:46:40,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:46:40,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:40,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985204678] [2022-11-19 06:46:40,898 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:46:40,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280852377] [2022-11-19 06:46:40,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280852377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:40,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:40,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 06:46:40,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231828672] [2022-11-19 06:46:40,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:40,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 06:46:40,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:40,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 06:46:40,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:46:40,901 INFO L87 Difference]: Start difference. First operand 132 states and 167 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-19 06:46:41,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:41,608 INFO L93 Difference]: Finished difference Result 241 states and 311 transitions. [2022-11-19 06:46:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:46:41,610 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 95 [2022-11-19 06:46:41,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:41,618 INFO L225 Difference]: With dead ends: 241 [2022-11-19 06:46:41,619 INFO L226 Difference]: Without dead ends: 134 [2022-11-19 06:46:41,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:46:41,622 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 35 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:41,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 757 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 06:46:41,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-19 06:46:41,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-11-19 06:46:41,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1710526315789473) internal successors, (89), 78 states have internal predecessors, (89), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2022-11-19 06:46:41,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 171 transitions. [2022-11-19 06:46:41,655 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 171 transitions. Word has length 95 [2022-11-19 06:46:41,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:41,657 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 171 transitions. [2022-11-19 06:46:41,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 4 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-19 06:46:41,657 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 171 transitions. [2022-11-19 06:46:41,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-19 06:46:41,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:41,663 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:41,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:46:41,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:41,873 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:41,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:41,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1939190100, now seen corresponding path program 1 times [2022-11-19 06:46:41,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:41,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780487274] [2022-11-19 06:46:41,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:41,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:41,980 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:46:41,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2116073211] [2022-11-19 06:46:41,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:41,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:41,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:41,982 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:42,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:46:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:42,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 2448 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:46:42,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:46:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-19 06:46:42,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:46:42,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:42,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780487274] [2022-11-19 06:46:42,690 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:46:42,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116073211] [2022-11-19 06:46:42,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116073211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:42,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:42,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:46:42,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643692396] [2022-11-19 06:46:42,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:42,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:46:42,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:42,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:46:42,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:46:42,692 INFO L87 Difference]: Start difference. First operand 134 states and 171 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2022-11-19 06:46:43,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:43,184 INFO L93 Difference]: Finished difference Result 235 states and 301 transitions. [2022-11-19 06:46:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:46:43,185 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 104 [2022-11-19 06:46:43,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:43,187 INFO L225 Difference]: With dead ends: 235 [2022-11-19 06:46:43,187 INFO L226 Difference]: Without dead ends: 134 [2022-11-19 06:46:43,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:46:43,189 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 32 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:43,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 612 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:46:43,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-19 06:46:43,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-11-19 06:46:43,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2022-11-19 06:46:43,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 170 transitions. [2022-11-19 06:46:43,209 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 170 transitions. Word has length 104 [2022-11-19 06:46:43,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:43,210 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 170 transitions. [2022-11-19 06:46:43,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2022-11-19 06:46:43,211 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2022-11-19 06:46:43,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-19 06:46:43,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:43,217 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:43,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 06:46:43,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:43,426 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:43,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:43,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1703128983, now seen corresponding path program 1 times [2022-11-19 06:46:43,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:43,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821060548] [2022-11-19 06:46:43,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:43,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:43,528 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:46:43,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [524192958] [2022-11-19 06:46:43,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:43,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:43,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:43,531 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:43,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 06:46:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:44,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 2502 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-19 06:46:44,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:46:44,250 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-19 06:46:44,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:46:44,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:44,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821060548] [2022-11-19 06:46:44,251 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:46:44,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524192958] [2022-11-19 06:46:44,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524192958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:44,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:44,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 06:46:44,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501797355] [2022-11-19 06:46:44,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:44,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 06:46:44,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:44,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 06:46:44,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:46:44,255 INFO L87 Difference]: Start difference. First operand 134 states and 170 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2022-11-19 06:46:44,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:44,780 INFO L93 Difference]: Finished difference Result 240 states and 306 transitions. [2022-11-19 06:46:44,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 06:46:44,780 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 112 [2022-11-19 06:46:44,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:44,782 INFO L225 Difference]: With dead ends: 240 [2022-11-19 06:46:44,782 INFO L226 Difference]: Without dead ends: 134 [2022-11-19 06:46:44,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-19 06:46:44,784 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 46 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:44,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 833 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:46:44,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-19 06:46:44,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-11-19 06:46:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (41), 39 states have call predecessors, (41), 39 states have call successors, (41) [2022-11-19 06:46:44,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 169 transitions. [2022-11-19 06:46:44,806 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 169 transitions. Word has length 112 [2022-11-19 06:46:44,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:44,808 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 169 transitions. [2022-11-19 06:46:44,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 5 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) [2022-11-19 06:46:44,809 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 169 transitions. [2022-11-19 06:46:44,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-19 06:46:44,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:44,812 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:44,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 06:46:45,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:45,021 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:45,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:45,022 INFO L85 PathProgramCache]: Analyzing trace with hash -230160901, now seen corresponding path program 2 times [2022-11-19 06:46:45,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:45,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890271489] [2022-11-19 06:46:45,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:45,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:45,149 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:46:45,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1779853844] [2022-11-19 06:46:45,150 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 06:46:45,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:45,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:45,152 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:45,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 06:46:46,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-19 06:46:46,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 06:46:46,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 06:46:46,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:46:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-19 06:46:46,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:46:46,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:46,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890271489] [2022-11-19 06:46:46,134 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:46:46,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779853844] [2022-11-19 06:46:46,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779853844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:46,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:46,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:46:46,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761740564] [2022-11-19 06:46:46,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:46,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:46:46,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:46,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:46:46,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:46:46,137 INFO L87 Difference]: Start difference. First operand 134 states and 169 transitions. Second operand has 5 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-19 06:46:46,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:46,725 INFO L93 Difference]: Finished difference Result 213 states and 267 transitions. [2022-11-19 06:46:46,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:46:46,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 121 [2022-11-19 06:46:46,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:46,727 INFO L225 Difference]: With dead ends: 213 [2022-11-19 06:46:46,727 INFO L226 Difference]: Without dead ends: 134 [2022-11-19 06:46:46,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:46:46,729 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:46,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 545 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 06:46:46,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-19 06:46:46,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2022-11-19 06:46:46,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 40 states have call successors, (40), 16 states have call predecessors, (40), 17 states have return successors, (40), 39 states have call predecessors, (40), 39 states have call successors, (40) [2022-11-19 06:46:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 168 transitions. [2022-11-19 06:46:46,741 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 168 transitions. Word has length 121 [2022-11-19 06:46:46,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:46,741 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 168 transitions. [2022-11-19 06:46:46,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-19 06:46:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 168 transitions. [2022-11-19 06:46:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-19 06:46:46,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:46,743 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:46,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-19 06:46:46,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:46,960 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:46,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:46,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1030261011, now seen corresponding path program 3 times [2022-11-19 06:46:46,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:46,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480166771] [2022-11-19 06:46:46,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:46,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:47,059 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:46:47,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1885586543] [2022-11-19 06:46:47,059 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-19 06:46:47,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:47,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:47,061 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:47,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 06:46:47,718 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-19 06:46:47,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 06:46:47,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 2766 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-19 06:46:47,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:46:47,840 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-19 06:46:47,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:46:47,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:46:47,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480166771] [2022-11-19 06:46:47,841 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:46:47,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885586543] [2022-11-19 06:46:47,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885586543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:46:47,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:46:47,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 06:46:47,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048365087] [2022-11-19 06:46:47,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:46:47,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:46:47,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:46:47,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:46:47,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:46:47,865 INFO L87 Difference]: Start difference. First operand 134 states and 168 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-19 06:46:48,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:46:48,361 INFO L93 Difference]: Finished difference Result 210 states and 260 transitions. [2022-11-19 06:46:48,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:46:48,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 130 [2022-11-19 06:46:48,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:46:48,366 INFO L225 Difference]: With dead ends: 210 [2022-11-19 06:46:48,366 INFO L226 Difference]: Without dead ends: 132 [2022-11-19 06:46:48,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:46:48,367 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 14 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:46:48,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 613 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:46:48,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-11-19 06:46:48,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-11-19 06:46:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 75 states have (on average 1.1466666666666667) internal successors, (86), 76 states have internal predecessors, (86), 40 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-11-19 06:46:48,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 165 transitions. [2022-11-19 06:46:48,391 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 165 transitions. Word has length 130 [2022-11-19 06:46:48,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:46:48,392 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 165 transitions. [2022-11-19 06:46:48,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-19 06:46:48,392 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 165 transitions. [2022-11-19 06:46:48,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-19 06:46:48,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:46:48,394 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:46:48,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 06:46:48,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:48,605 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:46:48,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:46:48,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1200556263, now seen corresponding path program 1 times [2022-11-19 06:46:48,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:46:48,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615880940] [2022-11-19 06:46:48,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:48,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:46:48,738 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 06:46:48,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1467074966] [2022-11-19 06:46:48,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:46:48,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:46:48,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:46:48,743 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:46:48,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e4f4ce-5af3-41e8-8edf-f4cd002f2fc4/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 06:46:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:46:49,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 2898 conjuncts, 169 conjunts are in the unsatisfiable core [2022-11-19 06:46:49,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:46:49,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:46:50,282 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 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:46:50,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:46:52,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:52,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:46:52,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:52,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:46:54,764 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_801 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_801))) (exists ((v_ArrVal_800 (Array Int Int))) (= (store |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_800) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-19 06:46:55,092 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_803 (Array Int Int)) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_802 (Array Int Int))) (and (= (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| v_ArrVal_803) |c_#memory_$Pointer$.base|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| v_ArrVal_802))))) is different from true [2022-11-19 06:46:55,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:55,913 INFO L321 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2022-11-19 06:46:55,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 21 [2022-11-19 06:46:55,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:46:55,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-11-19 06:46:55,935 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-19 06:46:55,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-19 06:46:55,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:46:55,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:47:20,898 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-19 06:47:20,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 13 [2022-11-19 06:47:20,909 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-19 06:47:20,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 20 [2022-11-19 06:47:20,916 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-19 06:47:20,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 16 [2022-11-19 06:47:21,114 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 88 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 5 not checked. [2022-11-19 06:47:21,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:47:24,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:47:24,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615880940] [2022-11-19 06:47:24,178 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 06:47:24,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1467074966] [2022-11-19 06:47:24,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1467074966] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:47:24,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1021802734] [2022-11-19 06:47:24,207 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2022-11-19 06:47:24,208 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:47:24,212 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:47:24,218 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:47:24,218 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:47:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:27,625 INFO L217 Elim1Store]: Index analysis took 502 ms [2022-11-19 06:47:45,298 WARN L233 SmtUtils]: Spent 17.61s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:47:45,303 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-11-19 06:47:45,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-11-19 06:47:48,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:47:49,078 INFO L217 Elim1Store]: Index analysis took 869 ms [2022-11-19 06:48:18,004 WARN L233 SmtUtils]: Spent 28.87s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:48:18,008 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-19 06:48:18,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-11-19 06:49:42,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:42,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-19 06:49:42,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:42,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-19 06:49:42,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:42,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:42,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-19 06:49:42,118 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 [2022-11-19 06:49:45,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:45,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:45,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:45,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:45,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:45,492 INFO L217 Elim1Store]: Index analysis took 127 ms [2022-11-19 06:49:45,534 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 [2022-11-19 06:49:45,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:46,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-19 06:49:46,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:46,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-19 06:49:47,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,113 INFO L217 Elim1Store]: Index analysis took 112 ms [2022-11-19 06:49:47,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-19 06:49:47,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:47,659 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 [2022-11-19 06:49:54,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:54,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:54,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:54,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:54,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:54,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:54,834 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 [2022-11-19 06:49:55,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:55,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:55,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:55,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:55,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:55,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:55,479 INFO L217 Elim1Store]: Index analysis took 118 ms [2022-11-19 06:49:55,499 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 [2022-11-19 06:49:55,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:55,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-19 06:49:56,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-19 06:49:56,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:49:56,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-19 06:50:12,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 06:50:12,354 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-19 06:50:12,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-19 06:50:12,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 06:50:12,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-19 06:50:12,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-19 06:50:27,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-19 06:50:27,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-19 06:50:27,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 06:50:27,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-19 06:50:27,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-19 06:50:27,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-19 06:50:29,998 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 [2022-11-19 06:50:30,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2159 treesize of output 2149 [2022-11-19 06:50:30,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2159 treesize of output 2149 [2022-11-19 06:50:30,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2163 treesize of output 2142 [2022-11-19 06:50:43,791 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 [2022-11-19 06:50:43,798 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 [2022-11-19 06:50:43,823 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 [2022-11-19 06:50:43,827 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 [2022-11-19 06:50:43,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-19 06:50:43,861 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 [2022-11-19 06:50:43,873 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 [2022-11-19 06:50:43,879 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 [2022-11-19 06:50:43,941 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:50:43,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-19 06:50:43,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:50:43,962 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 [2022-11-19 06:50:43,999 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 [2022-11-19 06:50:44,026 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:50:44,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-19 06:50:44,040 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 [2022-11-19 06:50:44,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:50:44,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-19 06:50:44,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-19 06:50:44,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-19 06:50:44,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-19 06:50:46,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2155 treesize of output 2127 [2022-11-19 06:50:46,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2123 treesize of output 2099 [2022-11-19 06:50:46,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2107 treesize of output 2079 [2022-11-19 06:51:01,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2155 treesize of output 2127 [2022-11-19 06:51:01,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2131 treesize of output 2103 [2022-11-19 06:51:02,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2099 treesize of output 2075 [2022-11-19 06:51:05,104 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 06:51:05,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-19 06:51:05,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-19 06:51:05,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,225 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:51:05,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-19 06:51:05,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:51:05,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:51:05,270 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:51:05,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 47 [2022-11-19 06:51:05,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,325 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:51:05,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-19 06:51:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,442 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:51:05,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-19 06:51:05,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:51:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 06:51:05,493 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:51:05,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 47 [2022-11-19 06:51:05,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,545 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:51:05,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-19 06:51:05,648 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-19 06:51:05,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-19 06:51:05,698 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-19 06:51:05,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-19 06:51:05,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,801 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:51:05,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-19 06:51:05,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,833 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:51:05,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-19 06:51:05,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,869 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:51:05,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2022-11-19 06:51:05,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:05,999 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:51:05,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2022-11-19 06:51:06,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:06,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:06,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:06,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:06,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:06,030 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:51:06,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-19 06:51:06,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:06,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:06,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:06,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:06,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:51:06,063 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:51:06,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-19 06:51:06,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:51:06,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 06:51:06,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:51:06,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:51:06,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-19 06:51:06,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:51:07,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-11-19 06:51:07,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-11-19 06:51:57,825 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 37 for LOIs [2022-11-19 06:51:57,834 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2887 for LOIs [2022-11-19 06:52:10,392 INFO L197 IcfgInterpreter]: Interpreting procedure save_byte_from_array with input of size 202 for LOIs [2022-11-19 06:52:10,629 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 685 for LOIs [2022-11-19 06:52:14,387 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 717 for LOIs [2022-11-19 06:52:15,538 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 [2022-11-19 06:52:15,638 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 [2022-11-19 06:52:16,612 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1026 treesize of output 1027 [2022-11-19 06:52:16,676 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 1024 [2022-11-19 06:52:17,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 06:52:17,880 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 [2022-11-19 06:52:19,389 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 [2022-11-19 06:52:19,401 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 [2022-11-19 06:52:20,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:52:20,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:52:20,023 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:52:20,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-19 06:52:21,153 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1026 treesize of output 1029 [2022-11-19 06:52:21,213 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1023 treesize of output 1024 [2022-11-19 06:52:21,916 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 [2022-11-19 06:52:22,051 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 [2022-11-19 06:52:24,001 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 [2022-11-19 06:52:24,035 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 [2022-11-19 06:52:24,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:52:24,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:52:24,461 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:52:24,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-19 06:52:25,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-19 06:52:25,853 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1026 treesize of output 1029 [2022-11-19 06:52:25,915 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1023 treesize of output 1024 [2022-11-19 06:52:26,609 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 [2022-11-19 06:52:26,987 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 [2022-11-19 06:52:27,857 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 715 for LOIs [2022-11-19 06:52:36,701 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 704 for LOIs [2022-11-19 06:52:37,515 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2955 for LOIs [2022-11-19 06:53:54,042 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 [2022-11-19 06:53:54,050 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 [2022-11-19 06:53:54,057 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 [2022-11-19 06:53:54,066 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 [2022-11-19 06:54:16,467 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 39 for LOIs [2022-11-19 06:54:16,469 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 64 for LOIs [2022-11-19 06:54:16,476 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:56:31,141 WARN L233 SmtUtils]: Spent 2.17m on a formula simplification. DAG size of input: 2821 DAG size of output: 2433 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 07:00:28,411 WARN L233 SmtUtils]: Spent 3.90m on a formula simplification. DAG size of input: 2887 DAG size of output: 2446 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)