./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9 --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 66d360c8c29bda7e5219dac4b14837aec8d465009822b05f671b68702d836670 --- 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-6b4ec56 [2022-11-20 18:56:38,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:56:38,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:56:38,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:56:38,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:56:38,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:56:38,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:56:38,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:56:38,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:56:38,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:56:38,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:56:38,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:56:38,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:56:38,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:56:38,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:56:38,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:56:38,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:56:38,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:56:38,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:56:38,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:56:38,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:56:38,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:56:38,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:56:38,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:56:38,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:56:38,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:56:38,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:56:38,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:56:38,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:56:38,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:56:38,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:56:38,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:56:38,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:56:38,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:56:38,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:56:38,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:56:38,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:56:38,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:56:38,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:56:38,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:56:38,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:56:38,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 18:56:38,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:56:38,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:56:38,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 18:56:38,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 18:56:38,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:56:38,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 18:56:38,468 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 18:56:38,468 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 18:56:38,469 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 18:56:38,469 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 18:56:38,470 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 18:56:38,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 18:56:38,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 18:56:38,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 18:56:38,472 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 18:56:38,472 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 18:56:38,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 18:56:38,472 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 18:56:38,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:56:38,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:56:38,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:56:38,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:56:38,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:56:38,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:56:38,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:56:38,475 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:56:38,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:56:38,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:56:38,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 18:56:38,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 18:56:38,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:56:38,477 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 18:56:38,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:56:38,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:56:38,478 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 18:56:38,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:56:38,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:56:38,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 18:56:38,479 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_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66d360c8c29bda7e5219dac4b14837aec8d465009822b05f671b68702d836670 [2022-11-20 18:56:38,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:56:38,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:56:38,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:56:38,882 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:56:38,883 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:56:38,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i [2022-11-20 18:56:42,560 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:56:43,311 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:56:43,312 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i [2022-11-20 18:56:43,360 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/data/e5e914d0b/bfe0521106cf4b379c78b3bb5deb0961/FLAG97a9cbcbc [2022-11-20 18:56:43,383 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/data/e5e914d0b/bfe0521106cf4b379c78b3bb5deb0961 [2022-11-20 18:56:43,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:56:43,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:56:43,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:56:43,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:56:43,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:56:43,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:56:43" (1/1) ... [2022-11-20 18:56:43,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45df3866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:43, skipping insertion in model container [2022-11-20 18:56:43,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:56:43" (1/1) ... [2022-11-20 18:56:43,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:56:43,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:56:43,964 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4491,4504] [2022-11-20 18:56:43,974 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4551,4564] [2022-11-20 18:56:45,398 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:45,402 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:45,406 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:45,407 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:45,408 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:45,422 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:45,423 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:45,425 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:45,425 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:45,427 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:45,429 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:45,429 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:45,430 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:46,130 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 18:56:46,132 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 18:56:46,133 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 18:56:46,135 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 18:56:46,137 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 18:56:46,138 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 18:56:46,139 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 18:56:46,140 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 18:56:46,141 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 18:56:46,141 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 18:56:46,461 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 18:56:46,924 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:46,926 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:46,967 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:46,969 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:46,978 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:46,978 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,003 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,005 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,006 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,007 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,007 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,008 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,008 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:56:47,131 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:56:47,230 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4491,4504] [2022-11-20 18:56:47,231 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i[4551,4564] [2022-11-20 18:56:47,314 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,315 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,315 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,316 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,316 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,322 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,326 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,327 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,327 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,328 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,329 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,330 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,330 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,359 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 18:56:47,360 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 18:56:47,361 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 18:56:47,362 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 18:56:47,363 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 18:56:47,363 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 18:56:47,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 18:56:47,365 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 18:56:47,365 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 18:56:47,366 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 18:56:47,386 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 18:56:47,481 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,482 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,490 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,491 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,494 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,495 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,504 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,505 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,506 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,507 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,507 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,508 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,508 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 18:56:47,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:56:47,856 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:56:47,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47 WrapperNode [2022-11-20 18:56:47,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:56:47,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:56:47,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:56:47,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:56:47,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47" (1/1) ... [2022-11-20 18:56:47,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47" (1/1) ... [2022-11-20 18:56:48,029 INFO L138 Inliner]: procedures = 774, calls = 2454, calls flagged for inlining = 68, calls inlined = 18, statements flattened = 944 [2022-11-20 18:56:48,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:56:48,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:56:48,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:56:48,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:56:48,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47" (1/1) ... [2022-11-20 18:56:48,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47" (1/1) ... [2022-11-20 18:56:48,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47" (1/1) ... [2022-11-20 18:56:48,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47" (1/1) ... [2022-11-20 18:56:48,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47" (1/1) ... [2022-11-20 18:56:48,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47" (1/1) ... [2022-11-20 18:56:48,167 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47" (1/1) ... [2022-11-20 18:56:48,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47" (1/1) ... [2022-11-20 18:56:48,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:56:48,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:56:48,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:56:48,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:56:48,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47" (1/1) ... [2022-11-20 18:56:48,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 18:56:48,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:56:48,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 18:56:48,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 18:56:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-20 18:56:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2022-11-20 18:56:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2022-11-20 18:56:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:56:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-20 18:56:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-20 18:56:48,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 18:56:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 18:56:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2022-11-20 18:56:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2022-11-20 18:56:48,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 18:56:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:56:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 18:56:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:56:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:56:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 18:56:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 18:56:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-20 18:56:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-20 18:56:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:56:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-20 18:56:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-20 18:56:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 18:56:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-20 18:56:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-20 18:56:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:56:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2022-11-20 18:56:48,312 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2022-11-20 18:56:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2022-11-20 18:56:48,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2022-11-20 18:56:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2022-11-20 18:56:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2022-11-20 18:56:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2022-11-20 18:56:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2022-11-20 18:56:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:56:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2022-11-20 18:56:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2022-11-20 18:56:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2022-11-20 18:56:48,314 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2022-11-20 18:56:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2022-11-20 18:56:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2022-11-20 18:56:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2022-11-20 18:56:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2022-11-20 18:56:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2022-11-20 18:56:48,315 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2022-11-20 18:56:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 18:56:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 18:56:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2022-11-20 18:56:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2022-11-20 18:56:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 18:56:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2022-11-20 18:56:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2022-11-20 18:56:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-20 18:56:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-20 18:56:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-20 18:56:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-20 18:56:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2022-11-20 18:56:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2022-11-20 18:56:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 18:56:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-20 18:56:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:56:48,855 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:56:48,858 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:56:49,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume !true; [2022-11-20 18:56:49,126 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2022-11-20 18:56:50,228 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !true; [2022-11-20 18:56:50,229 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !true; [2022-11-20 18:56:50,229 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !true; [2022-11-20 18:56:50,229 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume !true; [2022-11-20 18:56:50,229 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##51: assume !true; [2022-11-20 18:56:50,257 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:56:50,433 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:56:50,433 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-20 18:56:50,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:56:50 BoogieIcfgContainer [2022-11-20 18:56:50,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:56:50,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 18:56:50,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 18:56:50,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 18:56:50,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:56:43" (1/3) ... [2022-11-20 18:56:50,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c4d5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:56:50, skipping insertion in model container [2022-11-20 18:56:50,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:56:47" (2/3) ... [2022-11-20 18:56:50,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c4d5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:56:50, skipping insertion in model container [2022-11-20 18:56:50,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:56:50" (3/3) ... [2022-11-20 18:56:50,450 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_eq_harness.i [2022-11-20 18:56:50,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 18:56:50,471 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 18:56:50,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 18:56:50,555 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;@1b5dc4e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 18:56:50,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 18:56:50,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 247 states, 139 states have (on average 1.223021582733813) internal successors, (170), 133 states have internal predecessors, (170), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2022-11-20 18:56:50,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-20 18:56:50,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:56:50,602 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 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, 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] [2022-11-20 18:56:50,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:56:50,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:56:50,611 INFO L85 PathProgramCache]: Analyzing trace with hash -2010727539, now seen corresponding path program 1 times [2022-11-20 18:56:50,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:56:50,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129726107] [2022-11-20 18:56:50,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:56:50,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:56:51,037 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 18:56:51,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1388735238] [2022-11-20 18:56:51,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:56:51,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:56:51,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:56:51,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:56:51,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 18:56:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:56:52,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 3266 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 18:56:52,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:56:52,309 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2022-11-20 18:56:52,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 18:56:52,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:56:52,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129726107] [2022-11-20 18:56:52,316 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 18:56:52,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388735238] [2022-11-20 18:56:52,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388735238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 18:56:52,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 18:56:52,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 18:56:52,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341873586] [2022-11-20 18:56:52,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 18:56:52,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 18:56:52,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 18:56:52,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 18:56:52,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 18:56:52,372 INFO L87 Difference]: Start difference. First operand has 247 states, 139 states have (on average 1.223021582733813) internal successors, (170), 133 states have internal predecessors, (170), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-20 18:56:53,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 18:56:53,123 INFO L93 Difference]: Finished difference Result 496 states and 728 transitions. [2022-11-20 18:56:53,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 18:56:53,126 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 213 [2022-11-20 18:56:53,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 18:56:53,147 INFO L225 Difference]: With dead ends: 496 [2022-11-20 18:56:53,147 INFO L226 Difference]: Without dead ends: 249 [2022-11-20 18:56:53,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 18:56:53,168 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 1 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 18:56:53,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1219 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 18:56:53,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-11-20 18:56:53,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-11-20 18:56:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 134 states have (on average 1.208955223880597) internal successors, (162), 135 states have internal predecessors, (162), 89 states have call successors, (89), 24 states have call predecessors, (89), 25 states have return successors, (89), 89 states have call predecessors, (89), 88 states have call successors, (89) [2022-11-20 18:56:53,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 340 transitions. [2022-11-20 18:56:53,269 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 340 transitions. Word has length 213 [2022-11-20 18:56:53,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 18:56:53,270 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 340 transitions. [2022-11-20 18:56:53,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-20 18:56:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 340 transitions. [2022-11-20 18:56:53,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-20 18:56:53,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:56:53,283 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 7, 4, 4, 4, 4, 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, 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] [2022-11-20 18:56:53,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 18:56:53,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-20 18:56:53,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:56:53,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:56:53,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1596290227, now seen corresponding path program 1 times [2022-11-20 18:56:53,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:56:53,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949353539] [2022-11-20 18:56:53,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:56:53,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:56:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:56:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2022-11-20 18:56:57,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:56:57,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949353539] [2022-11-20 18:56:57,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949353539] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 18:56:57,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898222747] [2022-11-20 18:56:57,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:56:57,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:56:57,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:56:57,174 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:56:57,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 18:56:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:56:58,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 3278 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 18:56:58,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:56:58,176 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-11-20 18:56:58,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 18:56:58,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898222747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 18:56:58,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 18:56:58,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-11-20 18:56:58,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660177289] [2022-11-20 18:56:58,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 18:56:58,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 18:56:58,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 18:56:58,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 18:56:58,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-11-20 18:56:58,187 INFO L87 Difference]: Start difference. First operand 249 states and 340 transitions. Second operand has 6 states, 3 states have (on average 23.0) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-20 18:56:59,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 18:56:59,061 INFO L93 Difference]: Finished difference Result 497 states and 694 transitions. [2022-11-20 18:56:59,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 18:56:59,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 3 states have (on average 23.0) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 229 [2022-11-20 18:56:59,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 18:56:59,067 INFO L225 Difference]: With dead ends: 497 [2022-11-20 18:56:59,067 INFO L226 Difference]: Without dead ends: 251 [2022-11-20 18:56:59,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-11-20 18:56:59,069 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1390 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 18:56:59,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1390 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 18:56:59,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-11-20 18:56:59,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-11-20 18:56:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 135 states have (on average 1.2074074074074075) internal successors, (163), 137 states have internal predecessors, (163), 89 states have call successors, (89), 24 states have call predecessors, (89), 26 states have return successors, (106), 89 states have call predecessors, (106), 88 states have call successors, (106) [2022-11-20 18:56:59,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 358 transitions. [2022-11-20 18:56:59,092 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 358 transitions. Word has length 229 [2022-11-20 18:56:59,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 18:56:59,093 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 358 transitions. [2022-11-20 18:56:59,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 3 states have (on average 23.0) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-11-20 18:56:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 358 transitions. [2022-11-20 18:56:59,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-20 18:56:59,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:56:59,098 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 6, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 18:56:59,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 18:56:59,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:56:59,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:56:59,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:56:59,317 INFO L85 PathProgramCache]: Analyzing trace with hash -648754902, now seen corresponding path program 1 times [2022-11-20 18:56:59,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:56:59,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971938881] [2022-11-20 18:56:59,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:56:59,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:56:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:57:01,345 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2022-11-20 18:57:01,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:57:01,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971938881] [2022-11-20 18:57:01,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971938881] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 18:57:01,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596039022] [2022-11-20 18:57:01,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:01,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:01,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:57:01,349 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:57:01,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 18:57:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:57:02,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 3302 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-20 18:57:02,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:57:02,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 18:57:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-11-20 18:57:02,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 18:57:02,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596039022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 18:57:02,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 18:57:02,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [8] total 20 [2022-11-20 18:57:02,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545110070] [2022-11-20 18:57:02,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 18:57:02,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 18:57:02,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 18:57:02,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 18:57:02,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-11-20 18:57:02,888 INFO L87 Difference]: Start difference. First operand 251 states and 358 transitions. Second operand has 14 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (45), 6 states have call predecessors, (45), 6 states have call successors, (45) [2022-11-20 18:57:03,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 18:57:03,842 INFO L93 Difference]: Finished difference Result 510 states and 725 transitions. [2022-11-20 18:57:03,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 18:57:03,843 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (45), 6 states have call predecessors, (45), 6 states have call successors, (45) Word has length 235 [2022-11-20 18:57:03,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 18:57:03,846 INFO L225 Difference]: With dead ends: 510 [2022-11-20 18:57:03,846 INFO L226 Difference]: Without dead ends: 256 [2022-11-20 18:57:03,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-11-20 18:57:03,849 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 55 mSDsluCounter, 2674 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 2974 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 295 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 18:57:03,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 2974 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 296 Invalid, 0 Unknown, 295 Unchecked, 0.9s Time] [2022-11-20 18:57:03,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-20 18:57:03,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-11-20 18:57:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 139 states have (on average 1.2014388489208634) internal successors, (167), 140 states have internal predecessors, (167), 90 states have call successors, (90), 26 states have call predecessors, (90), 26 states have return successors, (107), 89 states have call predecessors, (107), 89 states have call successors, (107) [2022-11-20 18:57:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 364 transitions. [2022-11-20 18:57:03,874 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 364 transitions. Word has length 235 [2022-11-20 18:57:03,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 18:57:03,874 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 364 transitions. [2022-11-20 18:57:03,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 6 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (45), 6 states have call predecessors, (45), 6 states have call successors, (45) [2022-11-20 18:57:03,875 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 364 transitions. [2022-11-20 18:57:03,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-20 18:57:03,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:57:03,879 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 18:57:03,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-20 18:57:04,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:04,090 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:57:04,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:57:04,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1146539761, now seen corresponding path program 1 times [2022-11-20 18:57:04,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:57:04,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243104902] [2022-11-20 18:57:04,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:04,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:57:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:57:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 17 proven. 15 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-11-20 18:57:06,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:57:06,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243104902] [2022-11-20 18:57:06,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243104902] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 18:57:06,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31237918] [2022-11-20 18:57:06,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:06,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:06,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:57:06,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:57:06,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 18:57:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:57:07,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 3331 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 18:57:07,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:57:07,787 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-11-20 18:57:07,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 18:57:07,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31237918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 18:57:07,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 18:57:07,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-11-20 18:57:07,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448044690] [2022-11-20 18:57:07,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 18:57:07,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 18:57:07,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 18:57:07,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 18:57:07,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-11-20 18:57:07,793 INFO L87 Difference]: Start difference. First operand 256 states and 364 transitions. Second operand has 6 states, 3 states have (on average 23.666666666666668) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-20 18:57:08,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 18:57:08,576 INFO L93 Difference]: Finished difference Result 478 states and 681 transitions. [2022-11-20 18:57:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 18:57:08,578 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 3 states have (on average 23.666666666666668) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 239 [2022-11-20 18:57:08,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 18:57:08,581 INFO L225 Difference]: With dead ends: 478 [2022-11-20 18:57:08,581 INFO L226 Difference]: Without dead ends: 256 [2022-11-20 18:57:08,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-11-20 18:57:08,583 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 18:57:08,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1391 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 18:57:08,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-20 18:57:08,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-11-20 18:57:08,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 139 states have (on average 1.2014388489208634) internal successors, (167), 140 states have internal predecessors, (167), 90 states have call successors, (90), 26 states have call predecessors, (90), 26 states have return successors, (106), 89 states have call predecessors, (106), 89 states have call successors, (106) [2022-11-20 18:57:08,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 363 transitions. [2022-11-20 18:57:08,613 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 363 transitions. Word has length 239 [2022-11-20 18:57:08,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 18:57:08,614 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 363 transitions. [2022-11-20 18:57:08,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 3 states have (on average 23.666666666666668) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-11-20 18:57:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 363 transitions. [2022-11-20 18:57:08,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-20 18:57:08,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:57:08,619 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 18:57:08,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 18:57:08,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:08,830 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:57:08,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:57:08,831 INFO L85 PathProgramCache]: Analyzing trace with hash -892501810, now seen corresponding path program 1 times [2022-11-20 18:57:08,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:57:08,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039732384] [2022-11-20 18:57:08,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:08,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:57:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:57:10,700 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-11-20 18:57:10,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:57:10,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039732384] [2022-11-20 18:57:10,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039732384] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 18:57:10,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814163205] [2022-11-20 18:57:10,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:10,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:10,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:57:10,703 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:57:10,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 18:57:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:57:11,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 3355 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-20 18:57:11,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:57:11,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-20 18:57:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-11-20 18:57:12,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 18:57:12,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814163205] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 18:57:12,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 18:57:12,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [8] total 20 [2022-11-20 18:57:12,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809508295] [2022-11-20 18:57:12,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 18:57:12,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 18:57:12,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 18:57:12,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 18:57:12,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-11-20 18:57:12,226 INFO L87 Difference]: Start difference. First operand 256 states and 363 transitions. Second operand has 14 states, 9 states have (on average 9.11111111111111) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (49), 3 states have call predecessors, (49), 6 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) [2022-11-20 18:57:12,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 18:57:12,984 INFO L93 Difference]: Finished difference Result 489 states and 694 transitions. [2022-11-20 18:57:12,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 18:57:12,985 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 9.11111111111111) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (49), 3 states have call predecessors, (49), 6 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) Word has length 245 [2022-11-20 18:57:12,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 18:57:12,987 INFO L225 Difference]: With dead ends: 489 [2022-11-20 18:57:12,987 INFO L226 Difference]: Without dead ends: 261 [2022-11-20 18:57:12,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-11-20 18:57:12,990 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 54 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 151 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 18:57:12,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1932 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 151 Unchecked, 0.7s Time] [2022-11-20 18:57:12,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-11-20 18:57:13,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 256. [2022-11-20 18:57:13,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 139 states have (on average 1.2014388489208634) internal successors, (167), 140 states have internal predecessors, (167), 90 states have call successors, (90), 26 states have call predecessors, (90), 26 states have return successors, (106), 89 states have call predecessors, (106), 89 states have call successors, (106) [2022-11-20 18:57:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 363 transitions. [2022-11-20 18:57:13,012 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 363 transitions. Word has length 245 [2022-11-20 18:57:13,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 18:57:13,013 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 363 transitions. [2022-11-20 18:57:13,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 9.11111111111111) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (49), 3 states have call predecessors, (49), 6 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) [2022-11-20 18:57:13,013 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 363 transitions. [2022-11-20 18:57:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-20 18:57:13,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:57:13,018 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 5, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 18:57:13,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 18:57:13,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:13,231 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:57:13,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:57:13,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1352459093, now seen corresponding path program 2 times [2022-11-20 18:57:13,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:57:13,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376696474] [2022-11-20 18:57:13,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:13,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:57:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:57:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 87 proven. 42 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-20 18:57:30,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:57:30,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376696474] [2022-11-20 18:57:30,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376696474] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 18:57:30,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693786119] [2022-11-20 18:57:30,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 18:57:30,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:30,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:57:30,234 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:57:30,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 18:57:31,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 18:57:31,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 18:57:31,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 2262 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 18:57:31,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:57:31,626 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-11-20 18:57:31,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 18:57:31,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693786119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 18:57:31,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 18:57:31,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [23] total 26 [2022-11-20 18:57:31,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577286924] [2022-11-20 18:57:31,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 18:57:31,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 18:57:31,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 18:57:31,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 18:57:31,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2022-11-20 18:57:31,630 INFO L87 Difference]: Start difference. First operand 256 states and 363 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-20 18:57:32,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 18:57:32,414 INFO L93 Difference]: Finished difference Result 510 states and 724 transitions. [2022-11-20 18:57:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 18:57:32,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 249 [2022-11-20 18:57:32,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 18:57:32,417 INFO L225 Difference]: With dead ends: 510 [2022-11-20 18:57:32,418 INFO L226 Difference]: Without dead ends: 258 [2022-11-20 18:57:32,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2022-11-20 18:57:32,421 INFO L413 NwaCegarLoop]: 286 mSDtfsCounter, 0 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 18:57:32,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1118 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 18:57:32,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-11-20 18:57:32,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2022-11-20 18:57:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 140 states have (on average 1.2) internal successors, (168), 142 states have internal predecessors, (168), 90 states have call successors, (90), 26 states have call predecessors, (90), 27 states have return successors, (107), 89 states have call predecessors, (107), 89 states have call successors, (107) [2022-11-20 18:57:32,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 365 transitions. [2022-11-20 18:57:32,440 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 365 transitions. Word has length 249 [2022-11-20 18:57:32,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 18:57:32,441 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 365 transitions. [2022-11-20 18:57:32,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-11-20 18:57:32,441 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 365 transitions. [2022-11-20 18:57:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-20 18:57:32,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:57:32,446 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 18:57:32,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-11-20 18:57:32,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-20 18:57:32,656 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:57:32,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:57:32,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1607059447, now seen corresponding path program 1 times [2022-11-20 18:57:32,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:57:32,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440849109] [2022-11-20 18:57:32,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:32,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:57:32,817 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 18:57:32,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [223907987] [2022-11-20 18:57:32,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:32,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:32,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:57:32,819 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:57:32,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 18:57:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:57:33,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 3584 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 18:57:33,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:57:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-11-20 18:57:33,962 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 18:57:33,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:57:33,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440849109] [2022-11-20 18:57:33,963 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 18:57:33,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223907987] [2022-11-20 18:57:33,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223907987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 18:57:33,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 18:57:33,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 18:57:33,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540380756] [2022-11-20 18:57:33,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 18:57:33,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 18:57:33,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 18:57:33,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 18:57:33,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 18:57:33,968 INFO L87 Difference]: Start difference. First operand 258 states and 365 transitions. Second operand has 6 states, 3 states have (on average 21.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-20 18:57:34,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 18:57:34,618 INFO L93 Difference]: Finished difference Result 434 states and 626 transitions. [2022-11-20 18:57:34,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 18:57:34,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 3 states have (on average 21.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 259 [2022-11-20 18:57:34,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 18:57:34,621 INFO L225 Difference]: With dead ends: 434 [2022-11-20 18:57:34,621 INFO L226 Difference]: Without dead ends: 258 [2022-11-20 18:57:34,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 18:57:34,623 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 18:57:34,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1392 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 18:57:34,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-11-20 18:57:34,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2022-11-20 18:57:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 140 states have (on average 1.2) internal successors, (168), 142 states have internal predecessors, (168), 90 states have call successors, (90), 26 states have call predecessors, (90), 27 states have return successors, (106), 89 states have call predecessors, (106), 89 states have call successors, (106) [2022-11-20 18:57:34,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 364 transitions. [2022-11-20 18:57:34,642 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 364 transitions. Word has length 259 [2022-11-20 18:57:34,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 18:57:34,643 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 364 transitions. [2022-11-20 18:57:34,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 3 states have (on average 21.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-20 18:57:34,644 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 364 transitions. [2022-11-20 18:57:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-20 18:57:34,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:57:34,663 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 18:57:34,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 18:57:34,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-20 18:57:34,864 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:57:34,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:57:34,864 INFO L85 PathProgramCache]: Analyzing trace with hash 449848410, now seen corresponding path program 1 times [2022-11-20 18:57:34,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:57:34,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925991547] [2022-11-20 18:57:34,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:34,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:57:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:57:36,993 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-11-20 18:57:36,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:57:36,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925991547] [2022-11-20 18:57:36,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925991547] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 18:57:36,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364551440] [2022-11-20 18:57:36,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:36,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:36,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:57:37,000 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:57:37,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 18:57:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:57:37,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 3614 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 18:57:37,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:57:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-11-20 18:57:38,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 18:57:38,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364551440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 18:57:38,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 18:57:38,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-20 18:57:38,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789246580] [2022-11-20 18:57:38,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 18:57:38,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 18:57:38,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 18:57:38,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 18:57:38,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-20 18:57:38,071 INFO L87 Difference]: Start difference. First operand 258 states and 364 transitions. Second operand has 7 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 4 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-20 18:57:38,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 18:57:38,534 INFO L93 Difference]: Finished difference Result 514 states and 731 transitions. [2022-11-20 18:57:38,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 18:57:38,534 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 4 states have call predecessors, (53), 2 states have call successors, (53) Word has length 273 [2022-11-20 18:57:38,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 18:57:38,537 INFO L225 Difference]: With dead ends: 514 [2022-11-20 18:57:38,537 INFO L226 Difference]: Without dead ends: 258 [2022-11-20 18:57:38,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-20 18:57:38,539 INFO L413 NwaCegarLoop]: 306 mSDtfsCounter, 1 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1826 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 18:57:38,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1826 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 18:57:38,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-11-20 18:57:38,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2022-11-20 18:57:38,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 140 states have (on average 1.1928571428571428) internal successors, (167), 142 states have internal predecessors, (167), 90 states have call successors, (90), 26 states have call predecessors, (90), 27 states have return successors, (106), 89 states have call predecessors, (106), 89 states have call successors, (106) [2022-11-20 18:57:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 363 transitions. [2022-11-20 18:57:38,556 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 363 transitions. Word has length 273 [2022-11-20 18:57:38,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 18:57:38,556 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 363 transitions. [2022-11-20 18:57:38,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 4 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-20 18:57:38,557 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 363 transitions. [2022-11-20 18:57:38,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-20 18:57:38,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:57:38,585 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 18:57:38,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 18:57:38,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:38,786 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:57:38,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:57:38,787 INFO L85 PathProgramCache]: Analyzing trace with hash -592834310, now seen corresponding path program 1 times [2022-11-20 18:57:38,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:57:38,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746522391] [2022-11-20 18:57:38,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:38,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:57:38,887 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 18:57:38,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [293129715] [2022-11-20 18:57:38,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:38,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:38,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:57:38,889 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:57:38,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 18:57:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:57:39,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 3608 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 18:57:39,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:57:39,948 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-11-20 18:57:39,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 18:57:39,949 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:57:39,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746522391] [2022-11-20 18:57:39,949 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 18:57:39,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293129715] [2022-11-20 18:57:39,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293129715] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 18:57:39,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 18:57:39,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 18:57:39,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524229569] [2022-11-20 18:57:39,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 18:57:39,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 18:57:39,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 18:57:39,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 18:57:39,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 18:57:39,954 INFO L87 Difference]: Start difference. First operand 258 states and 363 transitions. Second operand has 7 states, 4 states have (on average 16.25) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-20 18:57:40,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 18:57:40,599 INFO L93 Difference]: Finished difference Result 433 states and 623 transitions. [2022-11-20 18:57:40,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 18:57:40,600 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 16.25) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 265 [2022-11-20 18:57:40,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 18:57:40,602 INFO L225 Difference]: With dead ends: 433 [2022-11-20 18:57:40,603 INFO L226 Difference]: Without dead ends: 260 [2022-11-20 18:57:40,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 18:57:40,604 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 0 mSDsluCounter, 1395 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 18:57:40,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1684 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 18:57:40,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-11-20 18:57:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 260. [2022-11-20 18:57:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 141 states have (on average 1.1914893617021276) internal successors, (168), 144 states have internal predecessors, (168), 90 states have call successors, (90), 26 states have call predecessors, (90), 28 states have return successors, (109), 89 states have call predecessors, (109), 89 states have call successors, (109) [2022-11-20 18:57:40,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 367 transitions. [2022-11-20 18:57:40,620 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 367 transitions. Word has length 265 [2022-11-20 18:57:40,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 18:57:40,621 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 367 transitions. [2022-11-20 18:57:40,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 16.25) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-20 18:57:40,621 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 367 transitions. [2022-11-20 18:57:40,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-20 18:57:40,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:57:40,623 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 18:57:40,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 18:57:40,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:40,843 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:57:40,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:57:40,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1721776791, now seen corresponding path program 2 times [2022-11-20 18:57:40,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:57:40,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118955284] [2022-11-20 18:57:40,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:40,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:57:40,941 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 18:57:40,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [219839764] [2022-11-20 18:57:40,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 18:57:40,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:40,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:57:40,943 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:57:40,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 18:57:42,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-20 18:57:42,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 18:57:42,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 18:57:42,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:57:42,541 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2022-11-20 18:57:42,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 18:57:42,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:57:42,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118955284] [2022-11-20 18:57:42,542 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 18:57:42,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219839764] [2022-11-20 18:57:42,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219839764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 18:57:42,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 18:57:42,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 18:57:42,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242187116] [2022-11-20 18:57:42,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 18:57:42,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 18:57:42,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 18:57:42,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 18:57:42,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 18:57:42,544 INFO L87 Difference]: Start difference. First operand 260 states and 367 transitions. Second operand has 6 states, 3 states have (on average 21.666666666666668) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-20 18:57:43,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 18:57:43,297 INFO L93 Difference]: Finished difference Result 429 states and 615 transitions. [2022-11-20 18:57:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 18:57:43,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 3 states have (on average 21.666666666666668) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 271 [2022-11-20 18:57:43,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 18:57:43,301 INFO L225 Difference]: With dead ends: 429 [2022-11-20 18:57:43,301 INFO L226 Difference]: Without dead ends: 260 [2022-11-20 18:57:43,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 18:57:43,303 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 18:57:43,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1393 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 18:57:43,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2022-11-20 18:57:43,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 260. [2022-11-20 18:57:43,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 141 states have (on average 1.1914893617021276) internal successors, (168), 144 states have internal predecessors, (168), 90 states have call successors, (90), 26 states have call predecessors, (90), 28 states have return successors, (108), 89 states have call predecessors, (108), 89 states have call successors, (108) [2022-11-20 18:57:43,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 366 transitions. [2022-11-20 18:57:43,321 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 366 transitions. Word has length 271 [2022-11-20 18:57:43,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 18:57:43,322 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 366 transitions. [2022-11-20 18:57:43,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 3 states have (on average 21.666666666666668) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-20 18:57:43,322 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 366 transitions. [2022-11-20 18:57:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-20 18:57:43,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:57:43,325 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 18:57:43,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 18:57:43,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 18:57:43,539 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:57:43,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:57:43,539 INFO L85 PathProgramCache]: Analyzing trace with hash -747978892, now seen corresponding path program 3 times [2022-11-20 18:57:43,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:57:43,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842953361] [2022-11-20 18:57:43,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:57:43,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:57:43,665 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 18:57:43,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1992552280] [2022-11-20 18:57:43,665 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 18:57:43,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:57:43,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:57:43,667 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:57:43,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 18:57:44,421 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 18:57:44,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 18:57:44,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 1341 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-20 18:57:44,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:57:46,999 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3| Int)) (and (exists ((aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3|) aws_hash_table_is_valid_~map.offset) 0))) (not (= |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3| 0)))) (exists ((|v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3| Int) (aws_hash_table_is_valid_~map.offset Int)) (and (not (= (select (select |c_#memory_$Pointer$.base| |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3|) aws_hash_table_is_valid_~map.offset) 0)) (not (= aws_hash_table_is_valid_~map.offset 0)))) (exists ((|v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3| Int) (aws_hash_table_is_valid_~map.offset Int)) (and (not (= (select (select |c_#memory_$Pointer$.offset| |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3|) aws_hash_table_is_valid_~map.offset) 0)) (not (= aws_hash_table_is_valid_~map.offset 0)))) (exists ((|v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3| Int)) (and (exists ((aws_hash_table_is_valid_~map.offset Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3|) aws_hash_table_is_valid_~map.offset) 0))) (not (= |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_3| 0))))) is different from true [2022-11-20 18:58:05,127 WARN L233 SmtUtils]: Spent 18.04s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 18:58:23,248 WARN L233 SmtUtils]: Spent 18.04s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 18:58:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2022-11-20 18:58:23,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 18:58:23,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:58:23,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842953361] [2022-11-20 18:58:23,338 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 18:58:23,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992552280] [2022-11-20 18:58:23,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992552280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 18:58:23,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 18:58:23,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 18:58:23,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395390241] [2022-11-20 18:58:23,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 18:58:23,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 18:58:23,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 18:58:23,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 18:58:23,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2022-11-20 18:58:23,342 INFO L87 Difference]: Start difference. First operand 260 states and 366 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 5 states have call successors, (38) [2022-11-20 18:58:24,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 18:58:24,258 INFO L93 Difference]: Finished difference Result 442 states and 650 transitions. [2022-11-20 18:58:24,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 18:58:24,258 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 5 states have call successors, (38) Word has length 277 [2022-11-20 18:58:24,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 18:58:24,261 INFO L225 Difference]: With dead ends: 442 [2022-11-20 18:58:24,261 INFO L226 Difference]: Without dead ends: 262 [2022-11-20 18:58:24,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 38.4s TimeCoverageRelationStatistics Valid=23, Invalid=70, Unknown=1, NotChecked=16, Total=110 [2022-11-20 18:58:24,263 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 92 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1770 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 554 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 18:58:24,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1770 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 192 Invalid, 0 Unknown, 554 Unchecked, 0.8s Time] [2022-11-20 18:58:24,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2022-11-20 18:58:24,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 259. [2022-11-20 18:58:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 141 states have (on average 1.1914893617021276) internal successors, (168), 143 states have internal predecessors, (168), 89 states have call successors, (89), 26 states have call predecessors, (89), 28 states have return successors, (106), 89 states have call predecessors, (106), 88 states have call successors, (106) [2022-11-20 18:58:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 363 transitions. [2022-11-20 18:58:24,281 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 363 transitions. Word has length 277 [2022-11-20 18:58:24,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 18:58:24,281 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 363 transitions. [2022-11-20 18:58:24,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 5 states have call successors, (38) [2022-11-20 18:58:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 363 transitions. [2022-11-20 18:58:24,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-11-20 18:58:24,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:58:24,284 INFO L195 NwaCegarLoop]: trace histogram [17, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 18:58:24,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-20 18:58:24,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 18:58:24,494 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:58:24,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:58:24,494 INFO L85 PathProgramCache]: Analyzing trace with hash 262878363, now seen corresponding path program 2 times [2022-11-20 18:58:24,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:58:24,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034594834] [2022-11-20 18:58:24,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:58:24,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:58:24,599 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 18:58:24,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1272031703] [2022-11-20 18:58:24,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 18:58:24,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:58:24,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:58:24,601 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:58:24,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 18:58:26,575 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-20 18:58:26,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 18:58:26,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 2705 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 18:58:26,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:58:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2022-11-20 18:58:26,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 18:58:26,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:58:26,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034594834] [2022-11-20 18:58:26,639 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 18:58:26,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272031703] [2022-11-20 18:58:26,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272031703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 18:58:26,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 18:58:26,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 18:58:26,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526879069] [2022-11-20 18:58:26,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 18:58:26,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 18:58:26,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 18:58:26,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 18:58:26,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 18:58:26,642 INFO L87 Difference]: Start difference. First operand 259 states and 363 transitions. Second operand has 6 states, 3 states have (on average 23.333333333333332) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-20 18:58:27,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 18:58:27,279 INFO L93 Difference]: Finished difference Result 433 states and 617 transitions. [2022-11-20 18:58:27,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 18:58:27,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 3 states have (on average 23.333333333333332) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 289 [2022-11-20 18:58:27,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 18:58:27,282 INFO L225 Difference]: With dead ends: 433 [2022-11-20 18:58:27,282 INFO L226 Difference]: Without dead ends: 259 [2022-11-20 18:58:27,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 18:58:27,284 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 1107 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 18:58:27,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1394 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 18:58:27,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2022-11-20 18:58:27,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2022-11-20 18:58:27,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 141 states have (on average 1.1914893617021276) internal successors, (168), 143 states have internal predecessors, (168), 89 states have call successors, (89), 26 states have call predecessors, (89), 28 states have return successors, (105), 89 states have call predecessors, (105), 88 states have call successors, (105) [2022-11-20 18:58:27,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 362 transitions. [2022-11-20 18:58:27,303 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 362 transitions. Word has length 289 [2022-11-20 18:58:27,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 18:58:27,304 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 362 transitions. [2022-11-20 18:58:27,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 3 states have (on average 23.333333333333332) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-20 18:58:27,304 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 362 transitions. [2022-11-20 18:58:27,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-11-20 18:58:27,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 18:58:27,307 INFO L195 NwaCegarLoop]: trace histogram [17, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 18:58:27,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-20 18:58:27,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:58:27,524 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 18:58:27,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:58:27,524 INFO L85 PathProgramCache]: Analyzing trace with hash 746237559, now seen corresponding path program 3 times [2022-11-20 18:58:27,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 18:58:27,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711666300] [2022-11-20 18:58:27,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 18:58:27,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:58:27,661 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 18:58:27,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1317532619] [2022-11-20 18:58:27,661 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-20 18:58:27,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 18:58:27,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 18:58:27,666 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 18:58:27,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4013c00d-5c37-4d34-93db-18cada8dc7eb/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-20 18:58:28,442 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-20 18:58:28,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 18:58:28,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 18:58:28,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 18:58:30,686 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_4| Int)) (and (exists ((|v_aws_hash_table_is_valid_#in~map.offset_BEFORE_CALL_3| Int)) (not (= 0 (select (select |c_#memory_$Pointer$.base| |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_4|) |v_aws_hash_table_is_valid_#in~map.offset_BEFORE_CALL_3|)))) (not (= |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_4| 0)))) (exists ((|v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_4| Int)) (and (exists ((|v_aws_hash_table_is_valid_#in~map.offset_BEFORE_CALL_3| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_4|) |v_aws_hash_table_is_valid_#in~map.offset_BEFORE_CALL_3|) 0))) (not (= |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_4| 0)))) (exists ((|v_aws_hash_table_is_valid_#in~map.offset_BEFORE_CALL_3| Int)) (and (exists ((|v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_4| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_4|) |v_aws_hash_table_is_valid_#in~map.offset_BEFORE_CALL_3|) 0))) (not (= |v_aws_hash_table_is_valid_#in~map.offset_BEFORE_CALL_3| 0)))) (exists ((|v_aws_hash_table_is_valid_#in~map.offset_BEFORE_CALL_3| Int)) (and (not (= |v_aws_hash_table_is_valid_#in~map.offset_BEFORE_CALL_3| 0)) (exists ((|v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_4| Int)) (not (= 0 (select (select |c_#memory_$Pointer$.base| |v_aws_hash_table_is_valid_#in~map.base_BEFORE_CALL_4|) |v_aws_hash_table_is_valid_#in~map.offset_BEFORE_CALL_3|))))))) is different from true [2022-11-20 18:58:33,107 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_1| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_1| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_1| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_1|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_1|) 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_1| Int)) (and (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_1| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_1|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_1|) 0))) (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_1| 0)))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_1| Int)) (and (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_1| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_1|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_1|) 0))) (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_1| 0)))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_1| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_1| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_1| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_1|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_1|) 0)))))) is different from true [2022-11-20 18:58:35,246 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_2| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_2| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_2| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_2|) 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_2| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_2| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_2| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_2|) 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_2| Int)) (and (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_2| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_2|) 0))) (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_2| 0)))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_2| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_2| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_2| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_2|) 0)))))) is different from true [2022-11-20 18:58:37,750 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_3| Int)) (and (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_3| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_3|) 0))) (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_3| 0)))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_3| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_3| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_3| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_3|) 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_3| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_3| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_3| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_3|) 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_3| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_3| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_3| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_3|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_3|) 0)))))) is different from true [2022-11-20 18:58:39,881 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_4| Int)) (and (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_4|) 0))) (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_4| 0)))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_4| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_4| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_4| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_4|) 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_4| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_4| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_4| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_4|) 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_4| Int)) (and (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_4| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_4|) 0))) (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_4| 0))))) is different from true [2022-11-20 18:58:42,036 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_5| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_5| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_5| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_5|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_5|) 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_5| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_5| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_5| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_5|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_5|) 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_5| Int)) (and (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_5| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_5|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_5|) 0))) (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_5| 0)))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_5| Int)) (and (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_5| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_5|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_5|) 0))) (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_5| 0))))) is different from true [2022-11-20 18:58:44,175 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_6| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_6| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_6| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_6|) 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_6| Int)) (and (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_6| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_6|) 0))) (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_6| 0)))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_6| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_6| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_6| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_6|) 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_6| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_6| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_6| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_6|) 0)))))) is different from true [2022-11-20 18:58:46,322 WARN L859 $PredicateComparison]: unable to prove that (or (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_7| Int)) (and (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_7| 0)) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_7| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_7|) 0))))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_7| Int)) (and (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_7| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_7|) 0))) (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_7| 0)))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_7| Int)) (and (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_7| Int)) (not (= (select (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_7|) 0))) (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_7| 0)))) (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_7| Int)) (and (exists ((|v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_7| Int)) (not (= (select (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_aws_hash_table_eq_~a#1.base_BEFORE_CALL_7|) |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_7|) 0))) (not (= |v_ULTIMATE.start_aws_hash_table_eq_~a#1.offset_BEFORE_CALL_7| 0))))) is different from true [2022-11-20 18:59:06,543 WARN L233 SmtUtils]: Spent 18.06s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 18:59:24,667 WARN L233 SmtUtils]: Spent 18.04s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 18:59:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 219 proven. 2 refuted. 0 times theorem prover too weak. 407 trivial. 25 not checked. [2022-11-20 18:59:24,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 18:59:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2022-11-20 18:59:28,237 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 18:59:28,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711666300] [2022-11-20 18:59:28,237 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 18:59:28,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317532619] [2022-11-20 18:59:28,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317532619] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 18:59:28,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1133912405] [2022-11-20 18:59:28,274 INFO L159 IcfgInterpreter]: Started Sifa with 108 locations of interest [2022-11-20 18:59:28,275 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 18:59:28,279 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 18:59:28,288 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 18:59:28,289 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 18:59:31,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 18:59:31,843 INFO L217 Elim1Store]: Index analysis took 501 ms [2022-11-20 18:59:49,345 WARN L233 SmtUtils]: Spent 17.44s on a formula simplification. DAG size of input: 1758 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 18:59:49,349 INFO L321 Elim1Store]: treesize reduction 1950, result has 47.4 percent of original size [2022-11-20 18:59:49,353 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 2354 [2022-11-20 18:59:52,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 18:59:53,404 INFO L217 Elim1Store]: Index analysis took 945 ms [2022-11-20 19:00:23,602 WARN L233 SmtUtils]: Spent 30.13s 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) [2022-11-20 19:00:23,606 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-20 19:00:23,611 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 [2022-11-20 19:00:34,444 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 [2022-11-20 19:00:34,452 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 [2022-11-20 19:00:34,482 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 [2022-11-20 19:00:34,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 19:00:34,508 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 [2022-11-20 19:00:34,513 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 [2022-11-20 19:00:34,561 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 [2022-11-20 19:00:34,576 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 [2022-11-20 19:00:34,583 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 [2022-11-20 19:00:34,590 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 [2022-11-20 19:00:34,748 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 [2022-11-20 19:00:34,755 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 [2022-11-20 19:00:34,793 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 [2022-11-20 19:00:34,808 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 [2022-11-20 19:00:34,836 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 [2022-11-20 19:00:34,862 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 [2022-11-20 19:00:34,871 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 [2022-11-20 19:00:34,905 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 [2022-11-20 19:00:34,913 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 [2022-11-20 19:00:34,922 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 [2022-11-20 19:00:34,930 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 [2022-11-20 19:00:34,951 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 7 treesize of output 3 [2022-11-20 19:00:34,974 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 7 treesize of output 3 [2022-11-20 19:00:35,002 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 19:00:35,003 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 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 19:00:35,038 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 [2022-11-20 19:00:35,048 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 [2022-11-20 19:00:35,089 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 [2022-11-20 19:00:35,100 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 [2022-11-20 19:00:35,145 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 [2022-11-20 19:00:35,152 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-20 19:00:35,211 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-20 19:00:35,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2022-11-20 19:00:35,253 INFO L321 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2022-11-20 19:00:35,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 19 [2022-11-20 19:00:35,289 INFO L321 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2022-11-20 19:00:35,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2022-11-20 19:00:35,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:35,357 INFO L321 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2022-11-20 19:00:35,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 60 [2022-11-20 19:00:35,395 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 19:00:35,395 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 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-20 19:00:39,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:39,206 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 [2022-11-20 19:00:39,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:39,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:39,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:39,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:39,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:39,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:39,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:39,991 INFO L217 Elim1Store]: Index analysis took 211 ms [2022-11-20 19:00:40,038 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 [2022-11-20 19:00:40,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-20 19:00:40,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:40,822 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 [2022-11-20 19:00:41,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:41,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:41,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:41,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:41,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:41,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:41,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:41,503 INFO L217 Elim1Store]: Index analysis took 142 ms [2022-11-20 19:00:41,536 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 [2022-11-20 19:00:48,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:48,894 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 [2022-11-20 19:00:49,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-11-20 19:00:49,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:49,718 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-20 19:00:49,751 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 [2022-11-20 19:00:50,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:50,289 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 [2022-11-20 19:00:50,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:50,917 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 [2022-11-20 19:00:52,087 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 [2022-11-20 19:00:52,094 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 [2022-11-20 19:00:52,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:52,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:52,897 INFO L321 Elim1Store]: treesize reduction 147, result has 32.9 percent of original size [2022-11-20 19:00:52,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 793 treesize of output 602 [2022-11-20 19:00:52,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:52,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:52,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:56,689 INFO L321 Elim1Store]: treesize reduction 159, result has 39.5 percent of original size [2022-11-20 19:00:56,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 842 treesize of output 770 [2022-11-20 19:00:57,239 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:00:57,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 176 treesize of output 242 [2022-11-20 19:00:57,394 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 19:00:57,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 176 treesize of output 252 [2022-11-20 19:00:57,495 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:00:57,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:57,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 49 treesize of output 35 [2022-11-20 19:00:57,731 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 19:00:57,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 172 treesize of output 196 [2022-11-20 19:00:57,775 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:00:57,776 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 135 treesize of output 125 [2022-11-20 19:00:57,950 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 19:00:57,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 77 [2022-11-20 19:00:57,995 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-20 19:00:57,995 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 23 treesize of output 17 [2022-11-20 19:00:58,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:58,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 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 68 treesize of output 97 [2022-11-20 19:00:58,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:58,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 [2022-11-20 19:00:58,161 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:00:58,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:58,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 7 [2022-11-20 19:00:58,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:58,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 67 [2022-11-20 19:00:58,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:58,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:58,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:58,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 57 [2022-11-20 19:00:58,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:58,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 57 [2022-11-20 19:00:58,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:58,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 26 [2022-11-20 19:00:58,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:58,703 INFO L321 Elim1Store]: treesize reduction 78, result has 18.8 percent of original size [2022-11-20 19:00:58,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 74 treesize of output 110 [2022-11-20 19:00:58,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:58,844 INFO L321 Elim1Store]: treesize reduction 4, result has 81.0 percent of original size [2022-11-20 19:00:58,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2022-11-20 19:00:58,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:58,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 13 [2022-11-20 19:00:58,900 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:00:59,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:59,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:00:59,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:59,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 71 treesize of output 66 [2022-11-20 19:00:59,827 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 9 treesize of output 7 [2022-11-20 19:00:59,839 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 13 treesize of output 9 [2022-11-20 19:00:59,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:00:59,919 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:01:00,093 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:01:00,261 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:01:00,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 19:01:00,445 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:01:00,527 INFO L321 Elim1Store]: treesize reduction 41, result has 22.6 percent of original size [2022-11-20 19:01:00,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 131 treesize of output 126 [2022-11-20 19:01:00,553 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 35 treesize of output 27 [2022-11-20 19:01:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:00,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 78 treesize of output 68 [2022-11-20 19:01:25,160 WARN L233 SmtUtils]: Spent 24.52s on a formula simplification. DAG size of input: 427 DAG size of output: 114 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 19:01:25,161 INFO L321 Elim1Store]: treesize reduction 1676, result has 12.3 percent of original size [2022-11-20 19:01:25,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 10 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 16 new quantified variables, introduced 75 case distinctions, treesize of input 2074 treesize of output 3886 [2022-11-20 19:01:28,078 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 9 treesize of output 7 [2022-11-20 19:01:29,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:29,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5642 [2022-11-20 19:01:36,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:36,638 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5634 [2022-11-20 19:01:39,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:01:39,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11314 treesize of output 11296 [2022-11-20 19:02:12,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:12,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11314 treesize of output 11296 [2022-11-20 19:02:19,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:19,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5634 [2022-11-20 19:02:22,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:22,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5638 [2022-11-20 19:02:27,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:27,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11322 treesize of output 11304 [2022-11-20 19:02:33,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:33,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5626 [2022-11-20 19:02:36,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:02:36,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11314 treesize of output 11280 [2022-11-20 19:03:32,292 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:03:32,388 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:03:33,587 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:03:34,830 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:03:35,679 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:03:39,462 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:03:40,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:03:40,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5638 [2022-11-20 19:03:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:03:40,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5626 [2022-11-20 19:03:41,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:03:41,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5626 [2022-11-20 19:03:42,783 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:03:44,396 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:03:44,965 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:03:46,947 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:03:48,173 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:03:48,721 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:04:14,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:14,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5660 treesize of output 5650 [2022-11-20 19:04:14,366 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:04:15,470 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:04:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:16,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5638 [2022-11-20 19:04:17,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:17,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5638 [2022-11-20 19:04:21,250 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:04:21,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:21,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5638 [2022-11-20 19:04:22,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:22,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5626 [2022-11-20 19:04:22,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:22,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5626 [2022-11-20 19:04:24,379 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:04:25,911 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:04:26,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:26,546 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5646 [2022-11-20 19:04:28,638 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:04:29,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:29,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5634 [2022-11-20 19:04:30,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:04:30,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5634 [2022-11-20 19:04:54,185 WARN L233 SmtUtils]: Spent 6.42s on a formula simplification. DAG size of input: 3659 DAG size of output: 3659 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-20 19:05:48,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:05:48,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5664 treesize of output 5654 [2022-11-20 19:05:48,735 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:05:50,296 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:05:50,368 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:05:51,974 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:05:52,600 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:05:53,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:05:53,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5660 treesize of output 5642 [2022-11-20 19:05:53,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:05:53,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5660 treesize of output 5642 [2022-11-20 19:05:56,131 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:05:56,681 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:00,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5660 treesize of output 5642 [2022-11-20 19:06:01,158 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:01,339 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:01,930 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:02,994 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:03,053 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:05,242 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:05,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:05,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5630 [2022-11-20 19:06:06,422 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:06,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:06,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5630 [2022-11-20 19:06:11,849 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:12,435 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:12,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:12,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5660 treesize of output 5650 [2022-11-20 19:06:13,225 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:16,610 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:16,675 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:18,806 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:18,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:18,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5638 [2022-11-20 19:06:19,478 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:19,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:19,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5638 [2022-11-20 19:06:25,299 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:26,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:26,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5618 [2022-11-20 19:06:26,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:26,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5618 [2022-11-20 19:06:29,290 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:29,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:29,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5630 [2022-11-20 19:06:32,259 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:33,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:33,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5630 [2022-11-20 19:06:34,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:34,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5630 [2022-11-20 19:06:36,387 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:36,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:36,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5660 treesize of output 5642 [2022-11-20 19:06:38,750 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:40,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:40,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5638 [2022-11-20 19:06:42,083 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:06:43,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:43,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5626 [2022-11-20 19:06:43,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:06:43,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5626 [2022-11-20 19:07:43,741 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:07:44,837 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:07:46,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:46,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5618 [2022-11-20 19:07:46,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:46,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5618 [2022-11-20 19:07:49,982 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:07:50,046 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:07:51,535 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:07:51,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:07:51,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5630 [2022-11-20 19:07:56,845 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:07:57,466 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:07:59,136 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:07:59,773 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:03,370 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:03,431 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:05,047 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:05,107 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:08,051 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:08,226 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:11,128 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:12,506 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:13,909 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:16,063 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:17,415 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:17,771 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:25,041 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:25,375 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:26,893 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:26,951 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:28,457 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:29,022 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:29,662 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:29,971 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:31,995 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:32,532 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:08:36,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5660 treesize of output 5642 [2022-11-20 19:08:36,523 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:36,679 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:37,234 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:38,236 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:38,306 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:40,348 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:40,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:08:40,428 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5630 [2022-11-20 19:08:41,461 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:41,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:08:41,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5630 [2022-11-20 19:08:46,575 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:47,111 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:47,451 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:47,539 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:50,733 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:50,788 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:52,895 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:52,950 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:53,305 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:53,374 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:58,395 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:08:59,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:08:59,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5618 [2022-11-20 19:09:00,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:09:00,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5652 treesize of output 5618 [2022-11-20 19:09:02,419 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:09:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 19:09:02,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5656 treesize of output 5630 [2022-11-20 19:09:05,165 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:09:06,633 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:09:07,210 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:09:08,801 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:09:08,857 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:09:10,843 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:09:12,430 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:09:13,843 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:09:15,034 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:09:15,338 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 19:09:47,738 WARN L233 SmtUtils]: Spent 6.86s on a formula simplification. DAG size of input: 3568 DAG size of output: 3561 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)