./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_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_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/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_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/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_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/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 1b920ac3045decc1a5a84e4c4a6d200f349784425219a23e0b9ddb547b7159b4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:45:44,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:45:44,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:45:44,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:45:44,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:45:44,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:45:44,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:45:44,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:45:44,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:45:45,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:45:45,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:45:45,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:45:45,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:45:45,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:45:45,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:45:45,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:45:45,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:45:45,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:45:45,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:45:45,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:45:45,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:45:45,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:45:45,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:45:45,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:45:45,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:45:45,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:45:45,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:45:45,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:45:45,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:45:45,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:45:45,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:45:45,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:45:45,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:45:45,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:45:45,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:45:45,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:45:45,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:45:45,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:45:45,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:45:45,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:45:45,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:45:45,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:45:45,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:45:45,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:45:45,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:45:45,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:45:45,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:45:45,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:45:45,123 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:45:45,123 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:45:45,123 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:45:45,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:45:45,125 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:45:45,125 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:45:45,125 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:45:45,126 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:45:45,126 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:45:45,126 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:45:45,126 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:45:45,127 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:45:45,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:45:45,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:45:45,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:45:45,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:45:45,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:45:45,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:45:45,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:45:45,129 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:45:45,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:45:45,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:45:45,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:45:45,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:45:45,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:45:45,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:45:45,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:45:45,132 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:45:45,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:45:45,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:45:45,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:45:45,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:45:45,133 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_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b920ac3045decc1a5a84e4c4a6d200f349784425219a23e0b9ddb547b7159b4 [2021-11-21 01:45:45,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:45:45,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:45:45,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:45:45,458 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:45:45,458 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:45:45,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i [2021-11-21 01:45:45,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/data/76ba7629c/3c56177320d74a14a5f1fbfee6c3b21a/FLAGbcea9f2f9 [2021-11-21 01:45:46,366 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:45:46,367 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i [2021-11-21 01:45:46,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/data/76ba7629c/3c56177320d74a14a5f1fbfee6c3b21a/FLAGbcea9f2f9 [2021-11-21 01:45:46,864 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/data/76ba7629c/3c56177320d74a14a5f1fbfee6c3b21a [2021-11-21 01:45:46,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:45:46,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:45:46,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:45:46,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:45:46,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:45:46,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:45:46" (1/1) ... [2021-11-21 01:45:46,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d2900d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:46, skipping insertion in model container [2021-11-21 01:45:46,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:45:46" (1/1) ... [2021-11-21 01:45:46,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:45:47,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:45:47,348 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_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4496,4509] [2021-11-21 01:45:47,356 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_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4556,4569] [2021-11-21 01:45:48,221 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 01:45:48,291 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:48,291 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:48,292 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:48,293 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:48,295 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:48,310 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:48,311 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:48,312 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:48,313 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:48,781 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 01:45:48,782 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 01:45:48,783 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 01:45:48,793 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 01:45:48,794 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 01:45:48,796 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 01:45:48,797 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 01:45:48,800 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 01:45:48,802 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 01:45:48,803 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 01:45:48,976 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:48,977 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:49,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:45:49,060 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:45:49,074 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_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4496,4509] [2021-11-21 01:45:49,074 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_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4556,4569] [2021-11-21 01:45:49,108 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 01:45:49,123 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:49,123 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:49,124 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:49,124 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:49,125 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:49,132 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:49,133 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:49,134 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:49,134 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:49,223 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 01:45:49,226 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 01:45:49,227 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 01:45:49,228 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 01:45:49,231 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 01:45:49,232 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 01:45:49,232 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 01:45:49,233 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 01:45:49,234 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 01:45:49,234 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 01:45:49,305 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:49,305 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:45:49,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:45:49,577 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:45:49,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:49 WrapperNode [2021-11-21 01:45:49,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:45:49,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:45:49,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:45:49,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:45:49,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:49" (1/1) ... [2021-11-21 01:45:49,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:49" (1/1) ... [2021-11-21 01:45:49,781 INFO L137 Inliner]: procedures = 689, calls = 1536, calls flagged for inlining = 55, calls inlined = 11, statements flattened = 719 [2021-11-21 01:45:49,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:45:49,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:45:49,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:45:49,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:45:49,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:49" (1/1) ... [2021-11-21 01:45:49,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:49" (1/1) ... [2021-11-21 01:45:49,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:49" (1/1) ... [2021-11-21 01:45:49,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:49" (1/1) ... [2021-11-21 01:45:49,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:49" (1/1) ... [2021-11-21 01:45:49,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:49" (1/1) ... [2021-11-21 01:45:49,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:49" (1/1) ... [2021-11-21 01:45:49,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:45:49,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:45:49,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:45:49,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:45:49,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:49" (1/1) ... [2021-11-21 01:45:49,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:45:49,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:45:49,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:45:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-21 01:45:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-21 01:45:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:45:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-21 01:45:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-21 01:45:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-21 01:45:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-21 01:45:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-21 01:45:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-21 01:45:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:45:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-21 01:45:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-21 01:45:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:45:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:45:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:45:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:45:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-21 01:45:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-21 01:45:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:45:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:45:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:45:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-21 01:45:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-21 01:45:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-21 01:45:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-21 01:45:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-21 01:45:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-21 01:45:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-11-21 01:45:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-11-21 01:45:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-21 01:45:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-21 01:45:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 01:45:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 01:45:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:45:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:45:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:45:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-21 01:45:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-21 01:45:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-21 01:45:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-21 01:45:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:45:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2021-11-21 01:45:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2021-11-21 01:45:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-21 01:45:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-21 01:45:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:45:50,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:45:50,464 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:45:50,467 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:45:51,596 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:45:51,803 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:45:51,804 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 01:45:51,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:45:51 BoogieIcfgContainer [2021-11-21 01:45:51,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:45:51,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:45:51,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:45:51,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:45:51,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:45:46" (1/3) ... [2021-11-21 01:45:51,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a800ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:45:51, skipping insertion in model container [2021-11-21 01:45:51,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:45:49" (2/3) ... [2021-11-21 01:45:51,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a800ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:45:51, skipping insertion in model container [2021-11-21 01:45:51,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:45:51" (3/3) ... [2021-11-21 01:45:51,822 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_top_harness.i [2021-11-21 01:45:51,828 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:45:51,829 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:45:51,893 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:45:51,909 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 01:45:51,909 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:45:51,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 88 states have internal predecessors, (106), 50 states have call successors, (50), 17 states have call predecessors, (50), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-11-21 01:45:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-21 01:45:51,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:45:51,951 INFO L514 BasicCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:45:51,952 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:45:51,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:45:51,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1748352250, now seen corresponding path program 1 times [2021-11-21 01:45:51,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:45:51,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359815791] [2021-11-21 01:45:51,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:51,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:45:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-21 01:45:52,793 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:45:52,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359815791] [2021-11-21 01:45:52,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359815791] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:45:52,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:45:52,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:45:52,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533736074] [2021-11-21 01:45:52,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:45:52,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:45:52,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:45:52,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:45:52,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:45:52,833 INFO L87 Difference]: Start difference. First operand has 156 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 88 states have internal predecessors, (106), 50 states have call successors, (50), 17 states have call predecessors, (50), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-21 01:45:53,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:45:53,351 INFO L93 Difference]: Finished difference Result 282 states and 389 transitions. [2021-11-21 01:45:53,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:45:53,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 93 [2021-11-21 01:45:53,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:45:53,364 INFO L225 Difference]: With dead ends: 282 [2021-11-21 01:45:53,364 INFO L226 Difference]: Without dead ends: 154 [2021-11-21 01:45:53,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:45:53,373 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 31 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:45:53,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 634 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-21 01:45:53,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-21 01:45:53,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-11-21 01:45:53,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 86 states have (on average 1.1744186046511629) internal successors, (101), 87 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 17 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2021-11-21 01:45:53,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 200 transitions. [2021-11-21 01:45:53,433 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 200 transitions. Word has length 93 [2021-11-21 01:45:53,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:45:53,439 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 200 transitions. [2021-11-21 01:45:53,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-21 01:45:53,441 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2021-11-21 01:45:53,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-21 01:45:53,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:45:53,454 INFO L514 BasicCegarLoop]: trace histogram [7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:45:53,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:45:53,455 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:45:53,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:45:53,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1956707432, now seen corresponding path program 1 times [2021-11-21 01:45:53,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:45:53,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399955456] [2021-11-21 01:45:53,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:53,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:45:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:53,837 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-21 01:45:53,837 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:45:53,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399955456] [2021-11-21 01:45:53,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399955456] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:45:53,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469503793] [2021-11-21 01:45:53,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:53,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:45:53,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:45:53,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:45:53,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:45:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:54,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 2318 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 01:45:54,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:45:54,937 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-21 01:45:54,937 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:45:54,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469503793] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:45:54,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:45:54,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2021-11-21 01:45:54,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59894231] [2021-11-21 01:45:54,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:45:54,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:45:54,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:45:54,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:45:54,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-11-21 01:45:54,941 INFO L87 Difference]: Start difference. First operand 154 states and 200 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-21 01:45:55,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:45:55,622 INFO L93 Difference]: Finished difference Result 289 states and 384 transitions. [2021-11-21 01:45:55,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:45:55,624 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 101 [2021-11-21 01:45:55,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:45:55,633 INFO L225 Difference]: With dead ends: 289 [2021-11-21 01:45:55,633 INFO L226 Difference]: Without dead ends: 156 [2021-11-21 01:45:55,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-11-21 01:45:55,640 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 48 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:45:55,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 917 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-21 01:45:55,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-21 01:45:55,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2021-11-21 01:45:55,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.1724137931034482) internal successors, (102), 89 states have internal predecessors, (102), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (55), 49 states have call predecessors, (55), 49 states have call successors, (55) [2021-11-21 01:45:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 207 transitions. [2021-11-21 01:45:55,688 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 207 transitions. Word has length 101 [2021-11-21 01:45:55,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:45:55,690 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 207 transitions. [2021-11-21 01:45:55,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-21 01:45:55,692 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 207 transitions. [2021-11-21 01:45:55,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-21 01:45:55,698 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:45:55,699 INFO L514 BasicCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:45:55,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:45:55,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:45:55,923 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:45:55,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:45:55,923 INFO L85 PathProgramCache]: Analyzing trace with hash -465372556, now seen corresponding path program 1 times [2021-11-21 01:45:55,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:45:55,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702665247] [2021-11-21 01:45:55,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:55,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:45:56,019 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:45:56,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [714287230] [2021-11-21 01:45:56,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:56,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:45:56,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:45:56,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:45:56,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:45:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:56,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 2428 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:45:56,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:45:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-21 01:45:56,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:45:56,885 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:45:56,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702665247] [2021-11-21 01:45:56,885 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:45:56,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714287230] [2021-11-21 01:45:56,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714287230] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:45:56,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:45:56,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 01:45:56,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523050583] [2021-11-21 01:45:56,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:45:56,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:45:56,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:45:56,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:45:56,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:45:56,888 INFO L87 Difference]: Start difference. First operand 156 states and 207 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-21 01:45:57,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:45:57,327 INFO L93 Difference]: Finished difference Result 283 states and 377 transitions. [2021-11-21 01:45:57,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:45:57,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 110 [2021-11-21 01:45:57,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:45:57,334 INFO L225 Difference]: With dead ends: 283 [2021-11-21 01:45:57,335 INFO L226 Difference]: Without dead ends: 156 [2021-11-21 01:45:57,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:45:57,342 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 41 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:45:57,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 783 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-21 01:45:57,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-21 01:45:57,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2021-11-21 01:45:57,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.160919540229885) internal successors, (101), 89 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (55), 49 states have call predecessors, (55), 49 states have call successors, (55) [2021-11-21 01:45:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 206 transitions. [2021-11-21 01:45:57,374 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 206 transitions. Word has length 110 [2021-11-21 01:45:57,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:45:57,375 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 206 transitions. [2021-11-21 01:45:57,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-21 01:45:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 206 transitions. [2021-11-21 01:45:57,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-21 01:45:57,384 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:45:57,385 INFO L514 BasicCegarLoop]: trace histogram [7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:45:57,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:45:57,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-21 01:45:57,599 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:45:57,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:45:57,599 INFO L85 PathProgramCache]: Analyzing trace with hash -872142352, now seen corresponding path program 1 times [2021-11-21 01:45:57,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:45:57,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998284477] [2021-11-21 01:45:57,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:57,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:45:57,680 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:45:57,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [746256234] [2021-11-21 01:45:57,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:57,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:45:57,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:45:57,682 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:45:57,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:45:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:45:58,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 2482 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:45:58,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:45:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-21 01:45:58,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:45:58,508 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:45:58,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998284477] [2021-11-21 01:45:58,508 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:45:58,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746256234] [2021-11-21 01:45:58,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746256234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:45:58,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:45:58,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 01:45:58,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247254710] [2021-11-21 01:45:58,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:45:58,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:45:58,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:45:58,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:45:58,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:45:58,511 INFO L87 Difference]: Start difference. First operand 156 states and 206 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2021-11-21 01:45:59,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:45:59,093 INFO L93 Difference]: Finished difference Result 288 states and 382 transitions. [2021-11-21 01:45:59,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:45:59,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 118 [2021-11-21 01:45:59,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:45:59,097 INFO L225 Difference]: With dead ends: 288 [2021-11-21 01:45:59,097 INFO L226 Difference]: Without dead ends: 156 [2021-11-21 01:45:59,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-21 01:45:59,100 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 55 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:45:59,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 1054 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 01:45:59,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-21 01:45:59,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2021-11-21 01:45:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.160919540229885) internal successors, (101), 89 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (54), 49 states have call predecessors, (54), 49 states have call successors, (54) [2021-11-21 01:45:59,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 205 transitions. [2021-11-21 01:45:59,118 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 205 transitions. Word has length 118 [2021-11-21 01:45:59,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:45:59,119 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 205 transitions. [2021-11-21 01:45:59,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2021-11-21 01:45:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 205 transitions. [2021-11-21 01:45:59,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-21 01:45:59,121 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:45:59,121 INFO L514 BasicCegarLoop]: trace histogram [7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:45:59,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:45:59,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:45:59,338 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:45:59,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:45:59,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1823335886, now seen corresponding path program 2 times [2021-11-21 01:45:59,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:45:59,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533730692] [2021-11-21 01:45:59,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:45:59,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:45:59,396 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:45:59,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67131008] [2021-11-21 01:45:59,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-21 01:45:59,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:45:59,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:45:59,399 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:45:59,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:45:59,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-21 01:45:59,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 01:45:59,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 01:45:59,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-21 01:46:00,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:46:00,122 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:00,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533730692] [2021-11-21 01:46:00,122 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:00,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67131008] [2021-11-21 01:46:00,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67131008] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:00,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:00,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:46:00,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072167207] [2021-11-21 01:46:00,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:00,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:46:00,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:00,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:46:00,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:46:00,126 INFO L87 Difference]: Start difference. First operand 156 states and 205 transitions. Second operand has 5 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-21 01:46:00,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:00,525 INFO L93 Difference]: Finished difference Result 262 states and 348 transitions. [2021-11-21 01:46:00,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:46:00,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 127 [2021-11-21 01:46:00,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:00,531 INFO L225 Difference]: With dead ends: 262 [2021-11-21 01:46:00,531 INFO L226 Difference]: Without dead ends: 156 [2021-11-21 01:46:00,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:46:00,533 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:00,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 673 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-21 01:46:00,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-11-21 01:46:00,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2021-11-21 01:46:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.160919540229885) internal successors, (101), 89 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (53), 49 states have call predecessors, (53), 49 states have call successors, (53) [2021-11-21 01:46:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 204 transitions. [2021-11-21 01:46:00,561 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 204 transitions. Word has length 127 [2021-11-21 01:46:00,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:00,562 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 204 transitions. [2021-11-21 01:46:00,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-21 01:46:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 204 transitions. [2021-11-21 01:46:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-21 01:46:00,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:00,564 INFO L514 BasicCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:00,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:00,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:00,787 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:00,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:00,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1101816282, now seen corresponding path program 3 times [2021-11-21 01:46:00,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:00,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521900947] [2021-11-21 01:46:00,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:00,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:00,850 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:00,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [549097134] [2021-11-21 01:46:00,850 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-21 01:46:00,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:00,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:00,852 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:00,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:46:01,291 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-21 01:46:01,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 01:46:01,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 2702 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 01:46:01,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:01,676 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-21 01:46:01,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:46:01,677 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:01,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521900947] [2021-11-21 01:46:01,677 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:01,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549097134] [2021-11-21 01:46:01,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549097134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:01,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:01,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 01:46:01,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786978179] [2021-11-21 01:46:01,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:01,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:46:01,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:01,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:46:01,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:46:01,682 INFO L87 Difference]: Start difference. First operand 156 states and 204 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-21 01:46:02,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:02,236 INFO L93 Difference]: Finished difference Result 271 states and 358 transitions. [2021-11-21 01:46:02,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:46:02,236 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 136 [2021-11-21 01:46:02,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:02,239 INFO L225 Difference]: With dead ends: 271 [2021-11-21 01:46:02,239 INFO L226 Difference]: Without dead ends: 166 [2021-11-21 01:46:02,239 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-21 01:46:02,240 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 39 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:02,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 1079 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 01:46:02,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-21 01:46:02,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-21 01:46:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 91 states have (on average 1.1538461538461537) internal successors, (105), 93 states have internal predecessors, (105), 55 states have call successors, (55), 18 states have call predecessors, (55), 19 states have return successors, (58), 54 states have call predecessors, (58), 54 states have call successors, (58) [2021-11-21 01:46:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 218 transitions. [2021-11-21 01:46:02,255 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 218 transitions. Word has length 136 [2021-11-21 01:46:02,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:02,256 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 218 transitions. [2021-11-21 01:46:02,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2021-11-21 01:46:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 218 transitions. [2021-11-21 01:46:02,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-21 01:46:02,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:02,258 INFO L514 BasicCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:02,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-21 01:46:02,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:02,479 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:02,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:02,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1018112460, now seen corresponding path program 1 times [2021-11-21 01:46:02,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:02,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823591325] [2021-11-21 01:46:02,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:02,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:02,536 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:02,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344323760] [2021-11-21 01:46:02,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:02,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:02,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:02,539 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:02,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7e9afc3-d06f-48e1-a5f0-89eb0e2fb1d3/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:46:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:03,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 2812 conjuncts, 91 conjunts are in the unsatisfiable core [2021-11-21 01:46:03,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:08,504 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-21 01:46:08,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 74 [2021-11-21 01:46:08,516 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-21 01:46:08,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 48 [2021-11-21 01:46:08,523 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-21 01:46:08,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2021-11-21 01:46:08,819 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 82 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-21 01:46:08,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:46:09,786 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:09,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823591325] [2021-11-21 01:46:09,786 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:09,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344323760] [2021-11-21 01:46:09,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344323760] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:46:09,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1786938137] [2021-11-21 01:46:09,809 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2021-11-21 01:46:09,809 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:46:09,814 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:46:09,820 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:46:09,820 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:46:18,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:18,574 INFO L244 Elim1Store]: Index analysis took 419 ms [2021-11-21 01:46:35,344 WARN L227 SmtUtils]: Spent 16.66s on a formula simplification. DAG size of input: 1767 DAG size of output: 1175 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:46:35,350 INFO L354 Elim1Store]: treesize reduction 1968, result has 47.2 percent of original size [2021-11-21 01:46:35,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2358 [2021-11-21 01:47:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:03,614 INFO L244 Elim1Store]: Index analysis took 838 ms [2021-11-21 01:47:33,132 WARN L227 SmtUtils]: Spent 29.45s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:47:33,137 INFO L354 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2021-11-21 01:47:33,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2021-11-21 01:47:57,379 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 01:47:57,501 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 01:47:58,327 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 01:48:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:03,602 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 21 treesize of output 20 [2021-11-21 01:48:03,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:03,616 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 [2021-11-21 01:48:03,637 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 01:48:03,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:03,649 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 21 treesize of output 20 [2021-11-21 01:48:05,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:05,602 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 [2021-11-21 01:48:05,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:05,846 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 19 treesize of output 7 [2021-11-21 01:48:05,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:05,910 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 19 treesize of output 7 [2021-11-21 01:48:06,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:06,566 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 [2021-11-21 01:48:06,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:06,739 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 19 treesize of output 7 [2021-11-21 01:48:06,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:06,857 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 19 treesize of output 7 [2021-11-21 01:48:07,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:07,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:07,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:07,213 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 30 treesize of output 32 [2021-11-21 01:48:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:07,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:07,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:07,401 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 [2021-11-21 01:48:07,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:07,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:07,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:07,516 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 30 treesize of output 32 [2021-11-21 01:48:07,562 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 01:48:08,018 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 01:48:08,040 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 01:48:08,211 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 01:48:08,215 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 01:48:08,387 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 01:48:08,398 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 01:48:08,413 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 01:48:08,430 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 01:48:08,625 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 [2021-11-21 01:48:08,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:08,654 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:48:08,655 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 [2021-11-21 01:48:08,708 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 [2021-11-21 01:48:08,867 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 [2021-11-21 01:48:08,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:08,911 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:48:08,911 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 [2021-11-21 01:48:08,963 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 [2021-11-21 01:48:09,967 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 50 treesize of output 49 [2021-11-21 01:48:14,559 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 7 treesize of output 3 [2021-11-21 01:48:14,563 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 7 treesize of output 3 [2021-11-21 01:48:14,568 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 8 treesize of output 4 [2021-11-21 01:48:14,571 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:14,637 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 8 treesize of output 4 [2021-11-21 01:48:14,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:14,645 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 7 treesize of output 3 [2021-11-21 01:48:14,651 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 7 treesize of output 3 [2021-11-21 01:48:25,681 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-21 01:48:26,059 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-21 01:50:36,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:36,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:36,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:36,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 01:50:36,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:36,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:36,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:36,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 01:50:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:36,638 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 [2021-11-21 01:50:43,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:43,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:43,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:43,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 01:50:43,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:43,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:43,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:43,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 01:50:43,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:43,770 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 [2021-11-21 01:50:45,832 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 01:50:45,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-11-21 01:50:46,231 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-21 01:50:46,232 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 24 treesize of output 21 [2021-11-21 01:50:47,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:47,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:47,201 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:50:47,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 29 [2021-11-21 01:50:47,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,361 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:50:47,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 01:50:47,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:47,476 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:50:47,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 01:50:48,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:48,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:48,121 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:50:48,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 29 [2021-11-21 01:50:48,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,320 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:50:48,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 01:50:48,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:48,479 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:50:48,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 01:50:48,924 INFO L354 Elim1Store]: treesize reduction 82, result has 16.3 percent of original size [2021-11-21 01:50:48,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 164 treesize of output 167 [2021-11-21 01:50:49,030 INFO L354 Elim1Store]: treesize reduction 114, result has 17.4 percent of original size [2021-11-21 01:50:49,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 166 treesize of output 173 [2021-11-21 01:50:50,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,523 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:50:50,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 16 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 [2021-11-21 01:50:50,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,687 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:50:50,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 01:50:50,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:50,770 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:50:50,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 01:50:52,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,028 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:50:52,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 01:50:52,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,152 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:50:52,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 16 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 [2021-11-21 01:50:52,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:52,597 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:50:52,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2021-11-21 01:50:53,261 INFO L354 Elim1Store]: treesize reduction 120, result has 23.6 percent of original size [2021-11-21 01:50:53,262 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 200 treesize of output 217 [2021-11-21 01:50:53,334 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-21 01:50:53,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 210 treesize of output 213 [2021-11-21 01:50:54,299 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 01:50:54,306 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 01:50:54,717 INFO L354 Elim1Store]: treesize reduction 20, result has 51.2 percent of original size [2021-11-21 01:50:54,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 36 [2021-11-21 01:50:55,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-11-21 01:50:55,785 INFO L354 Elim1Store]: treesize reduction 20, result has 51.2 percent of original size [2021-11-21 01:50:55,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 36 [2021-11-21 01:50:56,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2021-11-21 01:51:01,180 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 01:51:01,429 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 01:51:01,504 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 106 for LOIs [2021-11-21 01:51:54,996 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:51:54,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 179 [2021-11-21 01:51:55,017 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:51:55,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 179 treesize of output 183 [2021-11-21 01:51:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:55,401 INFO L354 Elim1Store]: treesize reduction 44, result has 83.9 percent of original size [2021-11-21 01:51:55,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 183 treesize of output 349 [2021-11-21 01:51:55,429 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:51:55,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 349 treesize of output 353 [2021-11-21 01:51:58,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:51:58,537 INFO L354 Elim1Store]: treesize reduction 44, result has 83.9 percent of original size [2021-11-21 01:51:58,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 175 treesize of output 341 [2021-11-21 01:51:58,579 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:51:58,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 341 treesize of output 345 [2021-11-21 01:51:58,610 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:51:58,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 345 treesize of output 349 [2021-11-21 01:51:58,638 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:51:58,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 349 treesize of output 353 [2021-11-21 01:52:32,285 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 155 for LOIs [2021-11-21 01:52:48,956 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 81 for LOIs [2021-11-21 01:52:50,127 INFO L197 IcfgInterpreter]: Interpreting procedure save_byte_from_array with input of size 211 for LOIs [2021-11-21 01:52:53,889 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 114 for LOIs [2021-11-21 01:53:58,182 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:53:58,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 587 treesize of output 555 [2021-11-21 01:53:58,211 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:53:58,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 555 treesize of output 523 [2021-11-21 01:53:58,233 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 01:53:58,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 523 treesize of output 499 [2021-11-21 01:53:59,360 INFO L354 Elim1Store]: treesize reduction 36, result has 75.2 percent of original size [2021-11-21 01:53:59,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 221 treesize of output 253 [2021-11-21 01:53:59,389 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 253 treesize of output 241 [2021-11-21 01:53:59,415 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 241 treesize of output 229 [2021-11-21 01:53:59,442 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 229 treesize of output 227 [2021-11-21 01:54:00,206 INFO L354 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2021-11-21 01:54:00,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 192 treesize of output 128 [2021-11-21 01:54:00,235 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 128 treesize of output 116 [2021-11-21 01:54:00,262 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 116 treesize of output 104 [2021-11-21 01:54:10,536 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:54:10,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 587 treesize of output 555 [2021-11-21 01:54:10,566 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 01:54:10,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 555 treesize of output 531 [2021-11-21 01:54:10,588 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:54:10,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 531 treesize of output 499 [2021-11-21 01:54:22,163 INFO L354 Elim1Store]: treesize reduction 36, result has 75.2 percent of original size [2021-11-21 01:54:22,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 221 treesize of output 253 [2021-11-21 01:54:22,190 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 253 treesize of output 241 [2021-11-21 01:54:22,220 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 241 treesize of output 229 [2021-11-21 01:54:22,250 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 229 treesize of output 227 [2021-11-21 01:54:23,449 INFO L354 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2021-11-21 01:54:23,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 192 treesize of output 128 [2021-11-21 01:54:23,481 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 128 treesize of output 116 [2021-11-21 01:54:23,513 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 116 treesize of output 104 [2021-11-21 01:54:27,905 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-21 01:54:29,112 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7