./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7 --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 1c506089032d4cdff4e7555a7f0fed6846d5bd185846ae9cd372b1dcc3fd0c8a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:21:35,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:21:35,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:21:35,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:21:35,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:21:35,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:21:35,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:21:35,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:21:35,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:21:35,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:21:35,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:21:35,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:21:35,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:21:35,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:21:35,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:21:35,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:21:35,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:21:35,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:21:35,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:21:35,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:21:35,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:21:35,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:21:35,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:21:35,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:21:35,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:21:35,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:21:35,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:21:35,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:21:35,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:21:35,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:21:35,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:21:35,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:21:35,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:21:35,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:21:35,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:21:35,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:21:35,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:21:35,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:21:35,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:21:35,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:21:35,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:21:35,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:21:35,456 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:21:35,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:21:35,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:21:35,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:21:35,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:21:35,459 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:21:35,459 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:21:35,459 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:21:35,459 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:21:35,460 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:21:35,460 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:21:35,461 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:21:35,461 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:21:35,461 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:21:35,461 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:21:35,462 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:21:35,462 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:21:35,462 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:21:35,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:21:35,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:21:35,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:21:35,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:21:35,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:21:35,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:21:35,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:21:35,464 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:21:35,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:21:35,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:21:35,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:21:35,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:21:35,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:21:35,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:21:35,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:21:35,467 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:21:35,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:21:35,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:21:35,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:21:35,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:21:35,468 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c506089032d4cdff4e7555a7f0fed6846d5bd185846ae9cd372b1dcc3fd0c8a [2021-11-25 18:21:35,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:21:35,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:21:35,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:21:35,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:21:35,786 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:21:35,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2021-11-25 18:21:35,875 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/data/3ea44232e/68b4b769fefc472c9219d8a97edf9b6c/FLAG13f62b36a [2021-11-25 18:21:36,632 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:21:36,632 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i [2021-11-25 18:21:36,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/data/3ea44232e/68b4b769fefc472c9219d8a97edf9b6c/FLAG13f62b36a [2021-11-25 18:21:37,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/data/3ea44232e/68b4b769fefc472c9219d8a97edf9b6c [2021-11-25 18:21:37,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:21:37,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:21:37,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:21:37,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:21:37,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:21:37,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:21:37" (1/1) ... [2021-11-25 18:21:37,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4990006a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:37, skipping insertion in model container [2021-11-25 18:21:37,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:21:37" (1/1) ... [2021-11-25 18:21:37,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:21:37,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:21:37,591 WARN L230 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_50b403e3-00d6-4bb7-8340-2d6904ee29dc/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4498,4511] [2021-11-25 18:21:37,596 WARN L230 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_50b403e3-00d6-4bb7-8340-2d6904ee29dc/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4558,4571] [2021-11-25 18:21:38,479 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 18:21:38,538 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,540 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,541 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,543 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,562 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,563 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,567 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,568 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,570 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,571 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,574 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,575 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:38,915 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 18:21:38,916 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 18:21:38,917 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 18:21:38,918 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 18:21:38,920 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 18:21:38,920 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 18:21:38,921 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 18:21:38,921 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 18:21:38,922 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 18:21:38,923 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 18:21:39,102 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,111 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:21:39,218 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:21:39,231 WARN L230 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_50b403e3-00d6-4bb7-8340-2d6904ee29dc/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4498,4511] [2021-11-25 18:21:39,234 WARN L230 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_50b403e3-00d6-4bb7-8340-2d6904ee29dc/sv-benchmarks/c/aws-c-common/aws_array_list_push_back_harness.i[4558,4571] [2021-11-25 18:21:39,273 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-25 18:21:39,288 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,288 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,289 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,289 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,290 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,297 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,297 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,298 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,299 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,300 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,301 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,301 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,301 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,350 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-25 18:21:39,358 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-25 18:21:39,359 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-25 18:21:39,360 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-25 18:21:39,362 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-25 18:21:39,362 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-25 18:21:39,363 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-25 18:21:39,366 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-25 18:21:39,367 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-25 18:21:39,368 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-25 18:21:39,412 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,428 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-25 18:21:39,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:21:39,783 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:21:39,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:39 WrapperNode [2021-11-25 18:21:39,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:21:39,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:21:39,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:21:39,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:21:39,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:39" (1/1) ... [2021-11-25 18:21:39,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:39" (1/1) ... [2021-11-25 18:21:40,019 INFO L137 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 53, calls inlined = 14, statements flattened = 895 [2021-11-25 18:21:40,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:21:40,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:21:40,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:21:40,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:21:40,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:39" (1/1) ... [2021-11-25 18:21:40,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:39" (1/1) ... [2021-11-25 18:21:40,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:39" (1/1) ... [2021-11-25 18:21:40,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:39" (1/1) ... [2021-11-25 18:21:40,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:39" (1/1) ... [2021-11-25 18:21:40,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:39" (1/1) ... [2021-11-25 18:21:40,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:39" (1/1) ... [2021-11-25 18:21:40,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:21:40,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:21:40,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:21:40,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:21:40,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:39" (1/1) ... [2021-11-25 18:21:40,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:21:40,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:40,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:21:40,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:21:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:21:40,261 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-25 18:21:40,261 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-25 18:21:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-25 18:21:40,262 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-25 18:21:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-25 18:21:40,262 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-25 18:21:40,262 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-11-25 18:21:40,263 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-11-25 18:21:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:21:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-25 18:21:40,263 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-25 18:21:40,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 18:21:40,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 18:21:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:21:40,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:21:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:21:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-25 18:21:40,266 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-25 18:21:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:21:40,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:21:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-25 18:21:40,266 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-25 18:21:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-25 18:21:40,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-25 18:21:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-25 18:21:40,267 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-25 18:21:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-25 18:21:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-25 18:21:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-11-25 18:21:40,268 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-11-25 18:21:40,268 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-25 18:21:40,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-25 18:21:40,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 18:21:40,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 18:21:40,269 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-25 18:21:40,270 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-25 18:21:40,270 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-11-25 18:21:40,271 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-11-25 18:21:40,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:21:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-25 18:21:40,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-25 18:21:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:21:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:21:40,272 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-25 18:21:40,273 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-25 18:21:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-25 18:21:40,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-25 18:21:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-25 18:21:40,273 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-25 18:21:40,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:21:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-25 18:21:40,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-25 18:21:40,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:21:40,651 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:21:40,653 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:21:41,635 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:21:41,830 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:21:41,831 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:21:41,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:41 BoogieIcfgContainer [2021-11-25 18:21:41,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:21:41,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:21:41,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:21:41,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:21:41,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:21:37" (1/3) ... [2021-11-25 18:21:41,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6dc3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:21:41, skipping insertion in model container [2021-11-25 18:21:41,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:21:39" (2/3) ... [2021-11-25 18:21:41,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6dc3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:21:41, skipping insertion in model container [2021-11-25 18:21:41,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:21:41" (3/3) ... [2021-11-25 18:21:41,849 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_push_back_harness.i [2021-11-25 18:21:41,854 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:21:41,854 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:21:41,923 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:21:41,939 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:21:41,939 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:21:41,977 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 132 states have (on average 1.196969696969697) internal successors, (158), 133 states have internal predecessors, (158), 101 states have call successors, (101), 21 states have call predecessors, (101), 21 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2021-11-25 18:21:41,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-25 18:21:41,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:41,988 INFO L514 BasicCegarLoop]: trace histogram [11, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:41,989 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:41,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:41,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1536676058, now seen corresponding path program 1 times [2021-11-25 18:21:42,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:42,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732150561] [2021-11-25 18:21:42,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:42,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-11-25 18:21:42,693 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:42,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732150561] [2021-11-25 18:21:42,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732150561] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:21:42,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459508716] [2021-11-25 18:21:42,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:42,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:42,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:42,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:42,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:21:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:43,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 18:21:43,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:21:43,594 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-25 18:21:43,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:21:43,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459508716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:43,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:21:43,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-11-25 18:21:43,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937870378] [2021-11-25 18:21:43,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:43,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:21:43,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:43,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:21:43,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:21:43,641 INFO L87 Difference]: Start difference. First operand has 256 states, 132 states have (on average 1.196969696969697) internal successors, (158), 133 states have internal predecessors, (158), 101 states have call successors, (101), 21 states have call predecessors, (101), 21 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-25 18:21:44,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:44,430 INFO L93 Difference]: Finished difference Result 491 states and 736 transitions. [2021-11-25 18:21:44,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:21:44,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 99 [2021-11-25 18:21:44,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:44,459 INFO L225 Difference]: With dead ends: 491 [2021-11-25 18:21:44,459 INFO L226 Difference]: Without dead ends: 256 [2021-11-25 18:21:44,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:21:44,473 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 89 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:44,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 1032 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 18:21:44,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-11-25 18:21:44,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2021-11-25 18:21:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 101 states have call successors, (101), 21 states have call predecessors, (101), 22 states have return successors, (119), 100 states have call predecessors, (119), 100 states have call successors, (119) [2021-11-25 18:21:44,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 377 transitions. [2021-11-25 18:21:44,560 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 377 transitions. Word has length 99 [2021-11-25 18:21:44,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:44,561 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 377 transitions. [2021-11-25 18:21:44,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-25 18:21:44,561 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 377 transitions. [2021-11-25 18:21:44,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-25 18:21:44,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:44,567 INFO L514 BasicCegarLoop]: trace histogram [11, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:44,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:21:44,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 18:21:44,779 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:44,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:44,779 INFO L85 PathProgramCache]: Analyzing trace with hash -84006546, now seen corresponding path program 1 times [2021-11-25 18:21:44,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:44,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573548515] [2021-11-25 18:21:44,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:44,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:44,903 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:21:44,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1552884826] [2021-11-25 18:21:44,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:44,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:44,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:44,905 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:44,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:21:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:45,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 2492 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 18:21:45,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:21:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-11-25 18:21:45,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:21:45,714 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:45,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573548515] [2021-11-25 18:21:45,714 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:21:45,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552884826] [2021-11-25 18:21:45,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552884826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:45,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:45,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 18:21:45,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811507653] [2021-11-25 18:21:45,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:45,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:21:45,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:45,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:21:45,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:21:45,718 INFO L87 Difference]: Start difference. First operand 256 states and 377 transitions. Second operand has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-25 18:21:46,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:46,884 INFO L93 Difference]: Finished difference Result 471 states and 693 transitions. [2021-11-25 18:21:46,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:21:46,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 117 [2021-11-25 18:21:46,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:46,889 INFO L225 Difference]: With dead ends: 471 [2021-11-25 18:21:46,889 INFO L226 Difference]: Without dead ends: 256 [2021-11-25 18:21:46,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:21:46,892 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 156 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:46,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 1219 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:21:46,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-11-25 18:21:46,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2021-11-25 18:21:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 101 states have call successors, (101), 21 states have call predecessors, (101), 22 states have return successors, (116), 100 states have call predecessors, (116), 100 states have call successors, (116) [2021-11-25 18:21:46,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 374 transitions. [2021-11-25 18:21:46,945 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 374 transitions. Word has length 117 [2021-11-25 18:21:46,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:46,946 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 374 transitions. [2021-11-25 18:21:46,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-25 18:21:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 374 transitions. [2021-11-25 18:21:46,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-25 18:21:46,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:46,949 INFO L514 BasicCegarLoop]: trace histogram [11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:47,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 18:21:47,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:47,163 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:47,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:47,163 INFO L85 PathProgramCache]: Analyzing trace with hash 343865442, now seen corresponding path program 2 times [2021-11-25 18:21:47,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:47,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628114716] [2021-11-25 18:21:47,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:47,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:47,259 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:21:47,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1383226855] [2021-11-25 18:21:47,263 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-25 18:21:47,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:47,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:47,266 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:47,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:21:47,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-25 18:21:47,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:21:47,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 1843 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 18:21:47,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:21:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 18:21:48,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:21:48,130 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:48,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628114716] [2021-11-25 18:21:48,130 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:21:48,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383226855] [2021-11-25 18:21:48,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383226855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:48,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:48,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:21:48,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060598773] [2021-11-25 18:21:48,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:48,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:21:48,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:48,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:21:48,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:21:48,133 INFO L87 Difference]: Start difference. First operand 256 states and 374 transitions. Second operand has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-25 18:21:48,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:48,793 INFO L93 Difference]: Finished difference Result 467 states and 684 transitions. [2021-11-25 18:21:48,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:21:48,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 126 [2021-11-25 18:21:48,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:48,798 INFO L225 Difference]: With dead ends: 467 [2021-11-25 18:21:48,798 INFO L226 Difference]: Without dead ends: 256 [2021-11-25 18:21:48,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:21:48,801 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 0 mSDsluCounter, 967 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:48,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1193 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-25 18:21:48,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-11-25 18:21:48,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2021-11-25 18:21:48,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 132 states have (on average 1.1893939393939394) internal successors, (157), 134 states have internal predecessors, (157), 101 states have call successors, (101), 21 states have call predecessors, (101), 22 states have return successors, (115), 100 states have call predecessors, (115), 100 states have call successors, (115) [2021-11-25 18:21:48,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 373 transitions. [2021-11-25 18:21:48,837 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 373 transitions. Word has length 126 [2021-11-25 18:21:48,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:48,838 INFO L470 AbstractCegarLoop]: Abstraction has 256 states and 373 transitions. [2021-11-25 18:21:48,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-25 18:21:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 373 transitions. [2021-11-25 18:21:48,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-25 18:21:48,841 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:48,842 INFO L514 BasicCegarLoop]: trace histogram [11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:48,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 18:21:49,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:49,067 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:49,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:49,067 INFO L85 PathProgramCache]: Analyzing trace with hash -2071297224, now seen corresponding path program 3 times [2021-11-25 18:21:49,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:49,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59694464] [2021-11-25 18:21:49,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:49,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:49,142 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:21:49,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1689267766] [2021-11-25 18:21:49,143 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-25 18:21:49,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:49,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:49,158 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:49,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 18:21:49,695 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-25 18:21:49,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-25 18:21:49,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 2756 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 18:21:49,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:21:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-11-25 18:21:49,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:21:49,991 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:49,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59694464] [2021-11-25 18:21:49,991 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:21:49,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689267766] [2021-11-25 18:21:49,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689267766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:21:49,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:21:49,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 18:21:49,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837534773] [2021-11-25 18:21:49,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:21:49,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:21:49,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:21:49,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:21:49,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:21:49,997 INFO L87 Difference]: Start difference. First operand 256 states and 373 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-25 18:21:51,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:21:51,201 INFO L93 Difference]: Finished difference Result 476 states and 694 transitions. [2021-11-25 18:21:51,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:21:51,202 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) Word has length 135 [2021-11-25 18:21:51,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:21:51,206 INFO L225 Difference]: With dead ends: 476 [2021-11-25 18:21:51,206 INFO L226 Difference]: Without dead ends: 266 [2021-11-25 18:21:51,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:21:51,209 INFO L933 BasicCegarLoop]: 300 mSDtfsCounter, 159 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:21:51,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 1819 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:21:51,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-11-25 18:21:51,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-11-25 18:21:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 136 states have (on average 1.1838235294117647) internal successors, (161), 138 states have internal predecessors, (161), 106 states have call successors, (106), 22 states have call predecessors, (106), 23 states have return successors, (120), 105 states have call predecessors, (120), 105 states have call successors, (120) [2021-11-25 18:21:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 387 transitions. [2021-11-25 18:21:51,240 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 387 transitions. Word has length 135 [2021-11-25 18:21:51,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:21:51,241 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 387 transitions. [2021-11-25 18:21:51,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-25 18:21:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 387 transitions. [2021-11-25 18:21:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-25 18:21:51,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:21:51,244 INFO L514 BasicCegarLoop]: trace histogram [11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:21:51,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 18:21:51,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:51,471 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:21:51,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:21:51,471 INFO L85 PathProgramCache]: Analyzing trace with hash -383080950, now seen corresponding path program 1 times [2021-11-25 18:21:51,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:21:51,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477937500] [2021-11-25 18:21:51,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:51,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:21:51,576 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:21:51,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [694117502] [2021-11-25 18:21:51,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:21:51,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:21:51,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:21:51,578 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:21:51,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 18:21:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:21:52,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 2888 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-25 18:21:52,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:21:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 122 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-25 18:21:52,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:21:53,302 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-11-25 18:21:53,302 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:21:53,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477937500] [2021-11-25 18:21:53,302 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:21:53,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694117502] [2021-11-25 18:21:53,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694117502] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:21:53,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [417887685] [2021-11-25 18:21:53,333 INFO L159 IcfgInterpreter]: Started Sifa with 73 locations of interest [2021-11-25 18:21:53,333 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:21:53,337 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:21:53,342 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:21:53,342 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:21:56,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:57,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:57,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:21:57,175 INFO L244 Elim1Store]: Index analysis took 380 ms [2021-11-25 18:22:13,020 WARN L227 SmtUtils]: Spent 15.75s on a formula simplification. DAG size of input: 1749 DAG size of output: 1163 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:22:13,026 INFO L354 Elim1Store]: treesize reduction 1948, result has 47.2 percent of original size [2021-11-25 18:22:13,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19310 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 194 case distinctions, treesize of input 992 treesize of output 2350 [2021-11-25 18:22:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:16,634 INFO L244 Elim1Store]: Index analysis took 1073 ms [2021-11-25 18:22:40,985 WARN L227 SmtUtils]: Spent 24.28s on a formula simplification. DAG size of input: 2139 DAG size of output: 1167 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:22:40,989 INFO L354 Elim1Store]: treesize reduction 3492, result has 33.3 percent of original size [2021-11-25 18:22:40,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19507 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 388 case distinctions, treesize of input 1002 treesize of output 2369 [2021-11-25 18:22:42,720 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 192 [2021-11-25 18:22:42,846 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 192 [2021-11-25 18:22:43,035 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 192 [2021-11-25 18:22:43,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:43,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:43,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:43,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-25 18:22:43,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:43,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:43,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2021-11-25 18:22:43,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:43,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2021-11-25 18:22:43,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:43,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2021-11-25 18:22:43,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:43,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2021-11-25 18:22:43,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:43,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:43,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:43,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:43,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:43,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:43,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:43,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:43,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:43,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:43,919 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:43,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-25 18:22:43,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:43,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:44,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:44,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:44,026 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:22:44,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-25 18:22:44,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:22:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:44,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-25 18:22:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:44,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2021-11-25 18:22:44,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:44,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 18:22:45,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:45,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2021-11-25 18:22:45,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:45,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 18:22:45,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:22:45,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-25 18:23:34,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-11-25 18:23:35,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-11-25 18:23:44,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-11-25 18:23:44,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-11-25 18:23:44,814 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-25 18:23:44,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-11-25 18:23:44,845 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-25 18:23:44,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2021-11-25 18:23:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,032 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-25 18:23:45,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2021-11-25 18:23:45,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:23:45,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:23:45,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,537 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-25 18:23:45,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2021-11-25 18:23:45,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,566 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,573 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:23:45,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2021-11-25 18:23:45,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:23:45,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,733 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 18:23:45,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2021-11-25 18:23:45,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,752 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-25 18:23:45,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2021-11-25 18:23:45,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:23:45,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:23:45,770 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-25 18:23:45,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2021-11-25 18:23:46,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:24:06,420 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 192 [2021-11-25 18:24:06,548 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 192 [2021-11-25 18:24:06,635 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 59 for LOIs [2021-11-25 18:24:06,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:24:06,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:24:06,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:06,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:06,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:06,791 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:24:06,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2021-11-25 18:24:06,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:24:06,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:24:06,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:24:06,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:06,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:06,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:24:06,955 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:24:06,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2021-11-25 18:24:06,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:24:07,184 INFO L354 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2021-11-25 18:24:07,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 108 treesize of output 125 [2021-11-25 18:24:09,250 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 67 for LOIs [2021-11-25 18:24:09,262 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 113 for LOIs [2021-11-25 18:24:09,849 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 99 for LOIs [2021-11-25 18:24:09,921 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 116 for LOIs [2021-11-25 18:24:10,346 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 124 for LOIs [2021-11-25 18:24:10,382 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 54 for LOIs [2021-11-25 18:24:10,389 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 261 for LOIs [2021-11-25 18:25:43,778 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 257 for LOIs [2021-11-25 18:25:52,529 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 18:26:49,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [417887685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:26:49,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 18:26:49,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [12, 12] total 65 [2021-11-25 18:26:49,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670823475] [2021-11-25 18:26:49,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:26:49,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2021-11-25 18:26:49,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:26:49,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-11-25 18:26:49,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=3905, Unknown=11, NotChecked=0, Total=4160 [2021-11-25 18:26:49,309 INFO L87 Difference]: Start difference. First operand 266 states and 387 transitions. Second operand has 51 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 28 states have internal predecessors, (38), 17 states have call successors, (25), 10 states have call predecessors, (25), 9 states have return successors, (23), 16 states have call predecessors, (23), 17 states have call successors, (23) [2021-11-25 18:26:51,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:26:51,322 INFO L93 Difference]: Finished difference Result 536 states and 774 transitions. [2021-11-25 18:26:51,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-25 18:26:51,323 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 28 states have internal predecessors, (38), 17 states have call successors, (25), 10 states have call predecessors, (25), 9 states have return successors, (23), 16 states have call predecessors, (23), 17 states have call successors, (23) Word has length 144 [2021-11-25 18:26:51,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:26:51,327 INFO L225 Difference]: With dead ends: 536 [2021-11-25 18:26:51,327 INFO L226 Difference]: Without dead ends: 306 [2021-11-25 18:26:51,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 56.9s TimeCoverageRelationStatistics Valid=244, Invalid=3905, Unknown=11, NotChecked=0, Total=4160 [2021-11-25 18:26:51,334 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 18 mSDsluCounter, 1743 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2033 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 776 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:26:51,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 2033 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 456 Invalid, 0 Unknown, 776 Unchecked, 1.9s Time] [2021-11-25 18:26:51,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-11-25 18:26:51,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 304. [2021-11-25 18:26:51,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 157 states have (on average 1.1847133757961783) internal successors, (186), 160 states have internal predecessors, (186), 115 states have call successors, (115), 29 states have call predecessors, (115), 31 states have return successors, (133), 114 states have call predecessors, (133), 114 states have call successors, (133) [2021-11-25 18:26:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 434 transitions. [2021-11-25 18:26:51,394 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 434 transitions. Word has length 144 [2021-11-25 18:26:51,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:26:51,396 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 434 transitions. [2021-11-25 18:26:51,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 28 states have internal predecessors, (38), 17 states have call successors, (25), 10 states have call predecessors, (25), 9 states have return successors, (23), 16 states have call predecessors, (23), 17 states have call successors, (23) [2021-11-25 18:26:51,396 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 434 transitions. [2021-11-25 18:26:51,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-25 18:26:51,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:26:51,404 INFO L514 BasicCegarLoop]: trace histogram [11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:26:51,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-25 18:26:51,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:26:51,623 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 18:26:51,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:26:51,623 INFO L85 PathProgramCache]: Analyzing trace with hash 168903290, now seen corresponding path program 1 times [2021-11-25 18:26:51,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:26:51,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268585007] [2021-11-25 18:26:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:51,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:26:51,728 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:26:51,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [191172647] [2021-11-25 18:26:51,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:26:51,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:26:51,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:26:51,730 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:26:51,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50b403e3-00d6-4bb7-8340-2d6904ee29dc/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 18:26:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:26:52,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 2891 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-25 18:26:52,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:26:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 145 proven. 3 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-25 18:26:52,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 18:26:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-25 18:26:53,385 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:26:53,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268585007] [2021-11-25 18:26:53,385 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:26:53,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191172647] [2021-11-25 18:26:53,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191172647] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 18:26:53,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1189969506] [2021-11-25 18:26:53,390 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2021-11-25 18:26:53,390 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 18:26:53,391 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 18:26:53,391 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 18:26:53,391 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 18:26:55,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:26:55,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:26:55,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:26:55,753 INFO L244 Elim1Store]: Index analysis took 253 ms [2021-11-25 18:27:13,318 WARN L227 SmtUtils]: Spent 17.52s on a formula simplification. DAG size of input: 1749 DAG size of output: 1163 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:27:13,320 INFO L354 Elim1Store]: treesize reduction 1948, result has 47.2 percent of original size [2021-11-25 18:27:13,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19310 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 194 case distinctions, treesize of input 992 treesize of output 2350 [2021-11-25 18:27:15,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:16,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:16,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:16,679 INFO L244 Elim1Store]: Index analysis took 1107 ms [2021-11-25 18:27:43,345 WARN L227 SmtUtils]: Spent 26.62s on a formula simplification. DAG size of input: 2139 DAG size of output: 1167 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:27:43,349 INFO L354 Elim1Store]: treesize reduction 3492, result has 33.3 percent of original size [2021-11-25 18:27:43,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19507 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 388 case distinctions, treesize of input 1002 treesize of output 2369 [2021-11-25 18:27:45,084 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 192 [2021-11-25 18:27:45,166 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 192 [2021-11-25 18:27:45,281 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 192 [2021-11-25 18:27:45,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:45,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2021-11-25 18:27:45,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:45,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2021-11-25 18:27:45,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:45,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:45,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:45,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-25 18:27:45,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:45,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:45,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2021-11-25 18:27:45,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:45,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 145 [2021-11-25 18:27:45,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:45,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:45,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:45,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:45,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:45,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:45,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:45,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:45,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:46,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:46,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:46,034 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:27:46,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-25 18:27:46,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:46,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:46,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:46,124 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 18:27:46,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-25 18:27:46,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-25 18:27:47,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:47,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2021-11-25 18:27:47,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:47,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 18:27:47,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:47,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-25 18:27:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:47,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-25 18:27:49,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:49,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2021-11-25 18:27:49,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:27:49,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2021-11-25 18:30:21,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-11-25 18:30:22,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-11-25 18:30:56,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-11-25 18:30:57,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-11-25 18:30:59,245 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-25 18:30:59,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2021-11-25 18:30:59,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-25 18:31:15,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:31:15,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 18:31:16,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:16,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:31:16,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:31:18,563 INFO L354 Elim1Store]: treesize reduction 72, result has 79.6 percent of original size [2021-11-25 18:31:18,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 3673 treesize of output 3879 [2021-11-25 18:31:18,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:31:18,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:18,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:31:18,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:31:55,369 WARN L227 SmtUtils]: Spent 36.73s on a formula simplification. DAG size of input: 841 DAG size of output: 817 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 18:31:55,372 INFO L354 Elim1Store]: treesize reduction 272, result has 89.9 percent of original size [2021-11-25 18:31:55,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 9 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 270 case distinctions, treesize of input 3929 treesize of output 5651 [2021-11-25 18:31:55,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:55,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 18:31:55,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:31:55,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 18:31:58,363 INFO L354 Elim1Store]: treesize reduction 72, result has 79.6 percent of original size [2021-11-25 18:31:58,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 5686 treesize of output 5892