./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:30:20,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:30:20,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:30:20,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:30:20,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:30:20,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:30:20,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:30:20,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:30:20,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:30:20,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:30:20,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:30:20,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:30:20,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:30:20,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:30:20,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:30:20,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:30:20,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:30:20,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:30:20,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:30:20,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:30:20,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:30:20,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:30:20,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:30:20,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:30:20,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:30:20,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:30:20,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:30:20,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:30:20,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:30:20,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:30:20,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:30:20,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:30:20,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:30:20,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:30:20,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:30:20,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:30:20,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:30:20,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:30:20,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:30:20,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:30:20,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:30:20,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 20:30:20,474 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:30:20,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:30:20,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:30:20,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:30:20,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:30:20,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:30:20,477 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:30:20,477 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:30:20,478 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:30:20,478 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:30:20,478 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:30:20,479 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:30:20,479 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:30:20,479 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:30:20,480 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:30:20,480 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:30:20,480 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:30:20,481 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:30:20,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:30:20,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:30:20,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:30:20,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:30:20,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:30:20,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:30:20,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:30:20,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:30:20,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:30:20,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:30:20,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:30:20,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:30:20,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:30:20,486 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:30:20,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:30:20,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:30:20,487 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:30:20,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:30:20,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:30:20,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:30:20,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 602c22a5759f33fe3c7a18e3ef1531ea38defb370e298f7d0c16de4a5734f1a7 [2022-11-20 20:30:20,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:30:20,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:30:20,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:30:20,870 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:30:20,872 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:30:20,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2022-11-20 20:30:24,347 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:30:25,057 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:30:25,057 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i [2022-11-20 20:30:25,102 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/data/5cd92b09d/b93bfb3adc8f4881ad21114772381a04/FLAGa5459e394 [2022-11-20 20:30:25,122 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/data/5cd92b09d/b93bfb3adc8f4881ad21114772381a04 [2022-11-20 20:30:25,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:30:25,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:30:25,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:30:25,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:30:25,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:30:25,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:30:25" (1/1) ... [2022-11-20 20:30:25,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e340f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:25, skipping insertion in model container [2022-11-20 20:30:25,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:30:25" (1/1) ... [2022-11-20 20:30:25,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:30:25,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:30:25,713 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2022-11-20 20:30:25,723 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2022-11-20 20:30:26,787 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 20:30:26,917 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:26,918 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:26,920 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:26,921 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:26,924 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:26,951 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:26,963 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:26,965 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:26,966 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:26,968 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:26,969 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:26,972 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:26,973 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,437 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 20:30:27,439 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 20:30:27,440 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 20:30:27,443 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 20:30:27,445 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 20:30:27,446 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 20:30:27,446 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 20:30:27,449 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 20:30:27,452 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 20:30:27,453 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 20:30:27,586 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,592 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:30:27,677 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:30:27,693 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4494,4507] [2022-11-20 20:30:27,694 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness.i[4554,4567] [2022-11-20 20:30:27,743 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-20 20:30:27,761 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,762 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,762 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,763 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,764 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,773 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,774 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,775 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,775 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,777 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,777 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,778 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,778 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,815 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-20 20:30:27,816 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-20 20:30:27,817 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-20 20:30:27,818 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-20 20:30:27,820 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-20 20:30:27,821 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-20 20:30:27,822 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-20 20:30:27,822 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-20 20:30:27,823 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-20 20:30:27,823 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-20 20:30:27,843 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,850 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-20 20:30:27,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:30:28,191 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:30:28,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28 WrapperNode [2022-11-20 20:30:28,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:30:28,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:30:28,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:30:28,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:30:28,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28" (1/1) ... [2022-11-20 20:30:28,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28" (1/1) ... [2022-11-20 20:30:28,427 INFO L138 Inliner]: procedures = 690, calls = 1578, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 584 [2022-11-20 20:30:28,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:30:28,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:30:28,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:30:28,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:30:28,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28" (1/1) ... [2022-11-20 20:30:28,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28" (1/1) ... [2022-11-20 20:30:28,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28" (1/1) ... [2022-11-20 20:30:28,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28" (1/1) ... [2022-11-20 20:30:28,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28" (1/1) ... [2022-11-20 20:30:28,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28" (1/1) ... [2022-11-20 20:30:28,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28" (1/1) ... [2022-11-20 20:30:28,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28" (1/1) ... [2022-11-20 20:30:28,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:30:28,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:30:28,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:30:28,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:30:28,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28" (1/1) ... [2022-11-20 20:30:28,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:30:28,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:30:28,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:30:28,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:30:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 20:30:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-20 20:30:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-20 20:30:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-20 20:30:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-20 20:30:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-20 20:30:28,625 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-20 20:30:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 20:30:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-20 20:30:28,627 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-20 20:30:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 20:30:28,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 20:30:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 20:30:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:30:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 20:30:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:30:28,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:30:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-20 20:30:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-20 20:30:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-20 20:30:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-20 20:30:28,631 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 20:30:28,631 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 20:30:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 20:30:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2022-11-20 20:30:28,632 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2022-11-20 20:30:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 20:30:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 20:30:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-20 20:30:28,633 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-20 20:30:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-20 20:30:28,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-20 20:30:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 20:30:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:30:28,987 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:30:28,990 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:30:30,119 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:30:30,262 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:30:30,263 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 20:30:30,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:30:30 BoogieIcfgContainer [2022-11-20 20:30:30,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:30:30,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:30:30,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:30:30,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:30:30,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:30:25" (1/3) ... [2022-11-20 20:30:30,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cd3c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:30:30, skipping insertion in model container [2022-11-20 20:30:30,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:30:28" (2/3) ... [2022-11-20 20:30:30,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63cd3c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:30:30, skipping insertion in model container [2022-11-20 20:30:30,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:30:30" (3/3) ... [2022-11-20 20:30:30,275 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness.i [2022-11-20 20:30:30,293 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:30:30,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 20:30:30,359 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:30:30,370 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@bdb4837, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:30:30,371 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 20:30:30,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 40 states have (on average 1.15) internal successors, (46), 41 states have internal predecessors, (46), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-20 20:30:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 20:30:30,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:30:30,392 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:30:30,393 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:30:30,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:30:30,402 INFO L85 PathProgramCache]: Analyzing trace with hash 92682918, now seen corresponding path program 1 times [2022-11-20 20:30:30,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:30:30,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356697545] [2022-11-20 20:30:30,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:30:30,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:30:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:30:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 20:30:31,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:30:31,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356697545] [2022-11-20 20:30:31,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356697545] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:30:31,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188982466] [2022-11-20 20:30:31,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:30:31,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:30:31,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:30:31,498 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:30:31,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:30:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:30:32,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 20:30:32,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:30:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 20:30:32,207 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:30:32,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188982466] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:30:32,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:30:32,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-20 20:30:32,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009835655] [2022-11-20 20:30:32,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:30:32,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:30:32,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:30:32,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:30:32,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 20:30:32,254 INFO L87 Difference]: Start difference. First operand has 78 states, 40 states have (on average 1.15) internal successors, (46), 41 states have internal predecessors, (46), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 20:30:32,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:30:32,742 INFO L93 Difference]: Finished difference Result 130 states and 170 transitions. [2022-11-20 20:30:32,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 20:30:32,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-11-20 20:30:32,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:30:32,756 INFO L225 Difference]: With dead ends: 130 [2022-11-20 20:30:32,756 INFO L226 Difference]: Without dead ends: 78 [2022-11-20 20:30:32,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-20 20:30:32,764 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 17 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:30:32,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 230 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 20:30:32,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-20 20:30:32,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-20 20:30:32,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 40 states have (on average 1.125) internal successors, (45), 42 states have internal predecessors, (45), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2022-11-20 20:30:32,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2022-11-20 20:30:32,820 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 47 [2022-11-20 20:30:32,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:30:32,821 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2022-11-20 20:30:32,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 20:30:32,822 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2022-11-20 20:30:32,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 20:30:32,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:30:32,825 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:30:32,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 20:30:33,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-20 20:30:33,036 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:30:33,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:30:33,037 INFO L85 PathProgramCache]: Analyzing trace with hash 278143664, now seen corresponding path program 1 times [2022-11-20 20:30:33,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:30:33,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187900824] [2022-11-20 20:30:33,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:30:33,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:30:33,131 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:30:33,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [790518204] [2022-11-20 20:30:33,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:30:33,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:30:33,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:30:33,133 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:30:33,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 20:30:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:30:33,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 20:30:33,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:30:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 20:30:33,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:30:33,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:30:33,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187900824] [2022-11-20 20:30:33,897 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:30:33,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790518204] [2022-11-20 20:30:33,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790518204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:30:33,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:30:33,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 20:30:33,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79548755] [2022-11-20 20:30:33,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:30:33,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 20:30:33,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:30:33,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 20:30:33,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 20:30:33,901 INFO L87 Difference]: Start difference. First operand 78 states and 96 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-20 20:30:34,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:30:34,449 INFO L93 Difference]: Finished difference Result 123 states and 149 transitions. [2022-11-20 20:30:34,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 20:30:34,450 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 56 [2022-11-20 20:30:34,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:30:34,452 INFO L225 Difference]: With dead ends: 123 [2022-11-20 20:30:34,453 INFO L226 Difference]: Without dead ends: 76 [2022-11-20 20:30:34,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-20 20:30:34,455 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 21 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 20:30:34,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 334 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 20:30:34,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-20 20:30:34,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-20 20:30:34,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-20 20:30:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2022-11-20 20:30:34,471 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 56 [2022-11-20 20:30:34,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:30:34,472 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2022-11-20 20:30:34,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-20 20:30:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2022-11-20 20:30:34,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 20:30:34,477 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:30:34,477 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:30:34,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 20:30:34,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:30:34,689 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:30:34,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:30:34,689 INFO L85 PathProgramCache]: Analyzing trace with hash 262676056, now seen corresponding path program 1 times [2022-11-20 20:30:34,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:30:34,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427378135] [2022-11-20 20:30:34,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:30:34,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:30:34,788 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-20 20:30:34,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1881218451] [2022-11-20 20:30:34,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:30:34,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:30:34,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:30:34,790 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:30:34,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89afc1b6-ad66-4428-aacb-5c8e2bb003d0/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 20:30:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:30:35,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 296 conjunts are in the unsatisfiable core [2022-11-20 20:30:35,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:30:35,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 20:30:36,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:30:36,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 20:30:36,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:30:36,349 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-20 20:30:37,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 20:30:38,767 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-20 20:30:38,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 37 [2022-11-20 20:30:38,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-20 20:30:38,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-20 20:30:39,266 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 20:30:39,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-20 20:30:41,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:30:41,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:30:41,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:30:41,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 185 [2022-11-20 20:30:41,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:30:41,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 121 [2022-11-20 20:30:41,502 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:30:41,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 96 [2022-11-20 20:30:41,628 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-20 20:30:41,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 111 [2022-11-20 20:30:44,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 81 [2022-11-20 20:30:44,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-11-20 20:30:44,194 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 20:30:44,195 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 81 [2022-11-20 20:30:44,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-11-20 20:30:44,364 INFO L321 Elim1Store]: treesize reduction 39, result has 7.1 percent of original size [2022-11-20 20:30:44,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 101 treesize of output 79 [2022-11-20 20:30:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:30:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:30:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:30:44,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 76 treesize of output 54 [2022-11-20 20:30:45,440 INFO L321 Elim1Store]: treesize reduction 25, result has 26.5 percent of original size [2022-11-20 20:30:45,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 30 [2022-11-20 20:30:45,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2022-11-20 20:30:45,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2022-11-20 20:30:45,597 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-20 20:30:45,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2022-11-20 20:30:45,640 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 20:30:46,247 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-20 20:30:46,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 9 [2022-11-20 20:30:48,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 71 treesize of output 55 [2022-11-20 20:30:48,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-20 20:30:52,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:30:52,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:30:52,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:30:52,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 95 treesize of output 65 [2022-11-20 20:30:52,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 20:31:23,626 INFO L321 Elim1Store]: treesize reduction 54, result has 28.9 percent of original size [2022-11-20 20:31:23,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 308 treesize of output 376 [2022-11-20 20:31:23,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 210 treesize of output 263 [2022-11-20 20:31:23,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 239 [2022-11-20 20:31:24,398 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:31:24,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:31:39,617 WARN L233 SmtUtils]: Spent 9.62s on a formula simplification that was a NOOP. DAG size: 173 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:32:10,428 WARN L233 SmtUtils]: Spent 30.78s on a formula simplification. DAG size of input: 396 DAG size of output: 193 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:32:29,418 WARN L233 SmtUtils]: Spent 18.99s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:33:22,466 WARN L233 SmtUtils]: Spent 10.46s on a formula simplification. DAG size of input: 74 DAG size of output: 65 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 20:33:22,468 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:33:22,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427378135] [2022-11-20 20:33:22,469 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-20 20:33:22,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881218451] [2022-11-20 20:33:22,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881218451] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:33:22,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [997990809] [2022-11-20 20:33:22,496 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2022-11-20 20:33:22,497 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:33:22,500 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:33:22,505 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:33:22,505 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:33:25,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:26,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:26,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:26,418 INFO L217 Elim1Store]: Index analysis took 619 ms [2022-11-20 20:33:46,177 WARN L233 SmtUtils]: Spent 19.71s on a formula simplification. DAG size of input: 1740 DAG size of output: 1157 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 20:33:46,180 INFO L321 Elim1Store]: treesize reduction 1938, result has 47.2 percent of original size [2022-11-20 20:33:46,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19114 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 193 case distinctions, treesize of input 987 treesize of output 2338 [2022-11-20 20:33:49,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:49,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:50,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:33:50,599 INFO L217 Elim1Store]: Index analysis took 913 ms [2022-11-20 20:34:24,232 WARN L233 SmtUtils]: Spent 33.57s on a formula simplification. DAG size of input: 2128 DAG size of output: 1161 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 20:34:24,235 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-11-20 20:34:24,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19310 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 386 case distinctions, treesize of input 997 treesize of output 2357 [2022-11-20 20:36:39,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 20:36:40,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:36:40,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,719 INFO L217 Elim1Store]: Index analysis took 136 ms [2022-11-20 20:36:40,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:36:40,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:40,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:36:40,894 INFO L321 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2022-11-20 20:36:40,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 196 select indices, 196 select index equivalence classes, 17055 disjoint index pairs (out of 19110 index pairs), introduced 195 new quantified variables, introduced 28 case distinctions, treesize of input 1795 treesize of output 2363 [2022-11-20 20:36:43,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:43,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:43,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:43,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:43,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:43,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:36:43,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:43,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:43,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:43,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:43,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:43,603 INFO L217 Elim1Store]: Index analysis took 133 ms [2022-11-20 20:36:43,647 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 196 select indices, 196 select index equivalence classes, 17052 disjoint index pairs (out of 19110 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1795 treesize of output 2363 [2022-11-20 20:36:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:36:46,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:36:46,835 INFO L217 Elim1Store]: Index analysis took 119 ms [2022-11-20 20:36:46,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 57 select indices, 57 select index equivalence classes, 1247 disjoint index pairs (out of 1596 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 681 treesize of output 804 [2022-11-20 20:36:57,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 20:36:57,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 20:36:57,663 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 20:36:57,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 20:36:57,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 20:36:57,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 20:36:57,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 20:36:57,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 20:36:57,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 20:36:57,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 20:36:57,803 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:36:57,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-20 20:36:57,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 20:36:57,871 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:36:57,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-20 20:36:57,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 20:36:57,928 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 20:37:00,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:00,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,042 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:37:01,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 1249 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 6 case distinctions, treesize of input 666 treesize of output 314 [2022-11-20 20:37:01,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,497 INFO L217 Elim1Store]: Index analysis took 136 ms [2022-11-20 20:37:01,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:37:01,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:01,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:37:01,603 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-20 20:37:01,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1774 treesize of output 610 [2022-11-20 20:37:02,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:02,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:02,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:02,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-20 20:37:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:02,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:02,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:02,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-20 20:37:03,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:03,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:03,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:03,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:03,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:03,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:03,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:03,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:03,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17052 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-20 20:37:12,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:12,907 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:37:12,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 56 select indices, 56 select index equivalence classes, 1249 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 6 case distinctions, treesize of input 666 treesize of output 314 [2022-11-20 20:37:13,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,404 INFO L217 Elim1Store]: Index analysis took 106 ms [2022-11-20 20:37:13,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,412 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:37:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:13,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:37:13,478 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-20 20:37:13,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-20 20:37:14,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:14,606 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-20 20:37:14,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19305 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 2 case distinctions, treesize of input 986 treesize of output 592 [2022-11-20 20:37:15,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,194 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-11-20 20:37:15,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:37:15,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-20 20:37:15,284 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-20 20:37:15,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17053 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1774 treesize of output 610 [2022-11-20 20:37:15,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:15,843 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-20 20:37:16,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 20:37:16,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 20:37:49,379 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_clear with input of size 115 for LOIs [2022-11-20 20:37:49,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 20:37:49,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-11-20 20:37:49,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2022-11-20 20:37:49,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-20 20:37:49,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-20 20:37:49,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-20 20:37:49,955 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 20:37:49,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-20 20:37:50,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-20 20:37:50,007 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-20 20:37:51,029 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-11-20 20:37:51,043 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-11-20 20:37:57,405 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-11-20 20:37:57,408 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 76 for LOIs [2022-11-20 20:37:57,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 20:37:57,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 20:37:57,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 20:37:57,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 20:37:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:57,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:57,641 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:37:57,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-20 20:37:57,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 20:37:57,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 20:37:57,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:57,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 20:37:57,829 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 20:37:57,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-20 20:37:58,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 20:37:58,201 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2819 for LOIs [2022-11-20 20:38:01,525 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 139 for LOIs [2022-11-20 20:38:01,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 20:38:01,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 20:38:01,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 20:38:01,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 20:38:02,042 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 125 for LOIs [2022-11-20 20:38:02,100 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:40:41,835 WARN L233 SmtUtils]: Spent 2.58m on a formula simplification. DAG size of input: 2815 DAG size of output: 2431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 20:43:26,781 WARN L233 SmtUtils]: Spent 2.67m on a formula simplification. DAG size of input: 2819 DAG size of output: 2435 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)