./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P --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 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:16:53,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:16:53,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:16:53,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:16:53,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:16:53,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:16:53,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:16:53,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:16:53,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:16:53,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:16:53,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:16:53,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:16:53,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:16:53,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:16:53,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:16:53,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:16:53,990 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:16:53,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:16:53,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:16:53,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:16:54,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:16:54,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:16:54,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:16:54,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:16:54,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:16:54,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:16:54,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:16:54,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:16:54,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:16:54,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:16:54,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:16:54,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:16:54,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:16:54,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:16:54,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:16:54,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:16:54,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:16:54,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:16:54,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:16:54,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:16:54,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:16:54,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:16:54,121 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:16:54,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:16:54,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:16:54,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:16:54,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:16:54,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:16:54,136 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:16:54,136 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:16:54,136 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:16:54,137 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:16:54,137 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:16:54,139 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:16:54,139 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:16:54,139 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:16:54,140 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:16:54,140 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:16:54,140 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:16:54,140 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:16:54,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:16:54,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:16:54,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:16:54,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:16:54,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:16:54,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:16:54,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:16:54,143 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:16:54,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:16:54,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:16:54,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:16:54,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:16:54,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:16:54,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:16:54,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:16:54,148 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:16:54,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:16:54,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:16:54,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:16:54,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:16:54,149 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_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ba06c24e4863868ad00a49056930e4c556765c875f4e2eef69c939c987b26bc [2021-11-21 01:16:54,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:16:54,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:16:54,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:16:54,636 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:16:54,643 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:16:54,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2021-11-21 01:16:54,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/data/4ceb785ab/f19094b621ee4f81951ffb3b630b2db9/FLAGf2d437b51 [2021-11-21 01:16:55,695 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:16:55,696 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2021-11-21 01:16:55,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/data/4ceb785ab/f19094b621ee4f81951ffb3b630b2db9/FLAGf2d437b51 [2021-11-21 01:16:56,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/data/4ceb785ab/f19094b621ee4f81951ffb3b630b2db9 [2021-11-21 01:16:56,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:16:56,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:16:56,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:16:56,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:16:56,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:16:56,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:16:56" (1/1) ... [2021-11-21 01:16:56,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37525da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:56, skipping insertion in model container [2021-11-21 01:16:56,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:16:56" (1/1) ... [2021-11-21 01:16:56,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:16:56,337 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:16:56,615 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_f842f2e7-d52d-466a-a1a6-900e95e1e728/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2021-11-21 01:16:56,623 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_f842f2e7-d52d-466a-a1a6-900e95e1e728/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2021-11-21 01:16:57,633 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 01:16:57,731 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:57,732 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:57,733 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:57,734 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:57,736 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:57,754 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:57,755 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:57,758 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:57,758 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:57,761 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:57,762 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:57,763 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:57,764 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,185 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 01:16:58,187 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 01:16:58,188 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 01:16:58,190 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 01:16:58,192 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 01:16:58,193 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 01:16:58,194 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 01:16:58,195 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 01:16:58,197 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 01:16:58,198 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 01:16:58,350 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,357 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:16:58,389 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:16:58,404 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_f842f2e7-d52d-466a-a1a6-900e95e1e728/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2021-11-21 01:16:58,405 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_f842f2e7-d52d-466a-a1a6-900e95e1e728/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2021-11-21 01:16:58,441 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 01:16:58,458 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,459 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,460 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,460 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,461 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,469 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,470 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,471 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,471 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,473 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,473 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,474 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,474 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,559 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 01:16:58,560 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 01:16:58,561 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 01:16:58,562 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 01:16:58,563 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 01:16:58,564 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 01:16:58,565 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 01:16:58,565 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 01:16:58,566 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 01:16:58,567 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 01:16:58,600 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,606 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:16:58,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:16:58,957 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:16:58,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:58 WrapperNode [2021-11-21 01:16:58,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:16:58,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:16:58,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:16:58,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:16:58,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:58" (1/1) ... [2021-11-21 01:16:59,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:58" (1/1) ... [2021-11-21 01:16:59,193 INFO L137 Inliner]: procedures = 681, calls = 1246, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 158 [2021-11-21 01:16:59,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:16:59,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:16:59,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:16:59,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:16:59,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:58" (1/1) ... [2021-11-21 01:16:59,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:58" (1/1) ... [2021-11-21 01:16:59,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:58" (1/1) ... [2021-11-21 01:16:59,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:58" (1/1) ... [2021-11-21 01:16:59,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:58" (1/1) ... [2021-11-21 01:16:59,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:58" (1/1) ... [2021-11-21 01:16:59,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:58" (1/1) ... [2021-11-21 01:16:59,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:16:59,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:16:59,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:16:59,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:16:59,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:58" (1/1) ... [2021-11-21 01:16:59,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:16:59,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:16:59,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:16:59,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:16:59,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:16:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-21 01:16:59,376 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-21 01:16:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:16:59,376 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-21 01:16:59,376 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-21 01:16:59,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:16:59,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:16:59,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:16:59,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:16:59,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:16:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:16:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:16:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-21 01:16:59,378 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-21 01:16:59,378 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-21 01:16:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-21 01:16:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-21 01:16:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-21 01:16:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 01:16:59,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 01:16:59,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:16:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:16:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:16:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-21 01:16:59,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-21 01:16:59,380 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-21 01:16:59,381 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-21 01:16:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:16:59,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:16:59,727 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:16:59,730 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:17:00,183 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:17:00,311 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:17:00,311 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 01:17:00,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:17:00 BoogieIcfgContainer [2021-11-21 01:17:00,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:17:00,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:17:00,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:17:00,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:17:00,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:16:56" (1/3) ... [2021-11-21 01:17:00,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1f12e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:17:00, skipping insertion in model container [2021-11-21 01:17:00,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:16:58" (2/3) ... [2021-11-21 01:17:00,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d1f12e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:17:00, skipping insertion in model container [2021-11-21 01:17:00,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:17:00" (3/3) ... [2021-11-21 01:17:00,332 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2021-11-21 01:17:00,339 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:17:00,339 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:17:00,428 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:17:00,437 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 [2021-11-21 01:17:00,437 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:17:00,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 45 states have internal predecessors, (51), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2021-11-21 01:17:00,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 01:17:00,472 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:17:00,473 INFO L514 BasicCegarLoop]: trace histogram [9, 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] [2021-11-21 01:17:00,474 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:17:00,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:17:00,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1663978418, now seen corresponding path program 1 times [2021-11-21 01:17:00,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:17:00,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113798861] [2021-11-21 01:17:00,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:00,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:17:00,799 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:17:00,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1205211605] [2021-11-21 01:17:00,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:00,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:00,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:17:00,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:17:00,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:17:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:17:01,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:17:01,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:17:01,574 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-11-21 01:17:01,574 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:17:01,574 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:17:01,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113798861] [2021-11-21 01:17:01,575 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:17:01,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205211605] [2021-11-21 01:17:01,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205211605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:17:01,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:17:01,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 01:17:01,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008924116] [2021-11-21 01:17:01,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:17:01,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:17:01,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:17:01,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:17:01,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:17:01,636 INFO L87 Difference]: Start difference. First operand has 85 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 45 states have internal predecessors, (51), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-21 01:17:01,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:17:01,964 INFO L93 Difference]: Finished difference Result 145 states and 194 transitions. [2021-11-21 01:17:01,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:17:01,970 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 65 [2021-11-21 01:17:01,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:17:01,989 INFO L225 Difference]: With dead ends: 145 [2021-11-21 01:17:01,989 INFO L226 Difference]: Without dead ends: 80 [2021-11-21 01:17:02,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:17:02,006 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 35 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:17:02,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 367 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:17:02,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-11-21 01:17:02,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-11-21 01:17:02,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 30 states have call successors, (30), 9 states have call predecessors, (30), 8 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2021-11-21 01:17:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2021-11-21 01:17:02,075 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 65 [2021-11-21 01:17:02,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:17:02,077 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2021-11-21 01:17:02,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 4 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-21 01:17:02,078 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2021-11-21 01:17:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-21 01:17:02,082 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:17:02,083 INFO L514 BasicCegarLoop]: trace histogram [9, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:17:02,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:17:02,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:17:02,303 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:17:02,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:17:02,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1491149490, now seen corresponding path program 1 times [2021-11-21 01:17:02,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:17:02,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668248159] [2021-11-21 01:17:02,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:02,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:17:02,420 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:17:02,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [12755046] [2021-11-21 01:17:02,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:17:02,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:17:02,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:17:02,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:17:02,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f842f2e7-d52d-466a-a1a6-900e95e1e728/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:17:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:17:02,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 254 conjunts are in the unsatisfiable core [2021-11-21 01:17:02,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:17:03,043 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-21 01:17:03,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:17:03,737 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 [2021-11-21 01:17:03,958 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-21 01:17:03,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 25 [2021-11-21 01:17:04,898 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-21 01:17:04,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 31 [2021-11-21 01:17:05,130 INFO L354 Elim1Store]: treesize reduction 46, result has 37.8 percent of original size [2021-11-21 01:17:05,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 42 [2021-11-21 01:17:05,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 62 [2021-11-21 01:17:05,460 INFO L354 Elim1Store]: treesize reduction 124, result has 21.0 percent of original size [2021-11-21 01:17:05,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 59 treesize of output 80 [2021-11-21 01:17:08,986 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-21 01:17:08,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 35 [2021-11-21 01:17:09,123 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 [2021-11-21 01:17:09,474 INFO L354 Elim1Store]: treesize reduction 136, result has 13.4 percent of original size [2021-11-21 01:17:09,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 47 treesize of output 56 [2021-11-21 01:17:27,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:17:27,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:17:27,805 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:17:27,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 148 treesize of output 133 [2021-11-21 01:17:29,230 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 26 treesize of output 22 [2021-11-21 01:17:34,848 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:17:34,849 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 6 case distinctions, treesize of input 194 treesize of output 162 [2021-11-21 01:17:35,302 INFO L354 Elim1Store]: treesize reduction 220, result has 13.0 percent of original size [2021-11-21 01:17:35,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 191 treesize of output 203 [2021-11-21 01:17:35,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 109 [2021-11-21 01:17:36,022 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 16 treesize of output 14 [2021-11-21 01:17:36,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:17:41,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 383 treesize of output 371 [2021-11-21 01:17:50,765 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:17:50,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 333 treesize of output 269 [2021-11-21 01:17:50,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 246 [2021-11-21 01:17:51,274 INFO L354 Elim1Store]: treesize reduction 236, result has 18.3 percent of original size [2021-11-21 01:17:51,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 246 treesize of output 280 [2021-11-21 01:17:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 44 proven. 32 refuted. 1 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 01:17:52,424 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:18:05,031 WARN L227 SmtUtils]: Spent 9.49s on a formula simplification. DAG size of input: 398 DAG size of output: 195 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-21 01:18:07,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 630 treesize of output 612 [2021-11-21 01:19:33,042 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:19:33,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668248159] [2021-11-21 01:19:33,043 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:19:33,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12755046] [2021-11-21 01:19:33,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12755046] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:19:33,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [891972783] [2021-11-21 01:19:33,064 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2021-11-21 01:19:33,065 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:19:33,069 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:19:33,075 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:19:33,075 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:19:33,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:33,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:33,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:33,272 INFO L354 Elim1Store]: treesize reduction 89, result has 38.2 percent of original size [2021-11-21 01:19:33,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 80 [2021-11-21 01:19:33,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:33,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:33,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:33,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:33,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:19:33,538 INFO L354 Elim1Store]: treesize reduction 154, result has 26.0 percent of original size [2021-11-21 01:19:33,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 54 treesize of output 97 [2021-11-21 01:19:34,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 22 [2021-11-21 01:19:34,437 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 19 treesize of output 18 [2021-11-21 01:19:34,554 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 [2021-11-21 01:19:34,560 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 [2021-11-21 01:19:34,577 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 [2021-11-21 01:19:34,612 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 [2021-11-21 01:19:45,023 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 [2021-11-21 01:19:45,037 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 [2021-11-21 01:19:45,772 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 14 treesize of output 12 [2021-11-21 01:19:45,891 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 9 treesize of output 7 [2021-11-21 01:19:48,801 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 14 treesize of output 12 [2021-11-21 01:19:48,859 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 9 treesize of output 7 [2021-11-21 01:19:49,737 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-21 01:19:49,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 145 treesize of output 143 [2021-11-21 01:19:49,860 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-21 01:19:49,861 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 2 case distinctions, treesize of input 144 treesize of output 142 [2021-11-21 01:28:41,365 WARN L227 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)