./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b920ac3045decc1a5a84e4c4a6d200f349784425219a23e0b9ddb547b7159b4 --- Real Ultimate output --- [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-5e519f3 [2022-11-03 03:42:23,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:42:23,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:42:23,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:42:23,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:42:23,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:42:23,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:42:23,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:42:23,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:42:23,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:42:23,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:42:23,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:42:23,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:42:23,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:42:23,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:42:23,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:42:23,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:42:23,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:42:23,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:42:23,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:42:23,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:42:23,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:42:23,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:42:23,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:42:23,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:42:23,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:42:23,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:42:23,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:42:23,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:42:23,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:42:23,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:42:23,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:42:23,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:42:23,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:42:23,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:42:23,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:42:23,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:42:23,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:42:23,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:42:23,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:42:23,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:42:23,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:42:23,787 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:42:23,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:42:23,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:42:23,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:42:23,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:42:23,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:42:23,790 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:42:23,791 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:42:23,791 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:42:23,791 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:42:23,792 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:42:23,793 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:42:23,793 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:42:23,793 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:42:23,793 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:42:23,794 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:42:23,794 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:42:23,794 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:42:23,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:42:23,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:42:23,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:42:23,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:42:23,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:42:23,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:42:23,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:42:23,798 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:42:23,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:42:23,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:42:23,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:42:23,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:42:23,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:42:23,800 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:42:23,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:42:23,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:42:23,800 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:42:23,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:42:23,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:42:23,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:42:23,801 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_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b920ac3045decc1a5a84e4c4a6d200f349784425219a23e0b9ddb547b7159b4 [2022-11-03 03:42:24,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:42:24,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:42:24,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:42:24,225 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:42:24,226 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:42:24,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i [2022-11-03 03:42:24,317 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/data/12e9fb721/6189b08373e343beb134acd3d7678767/FLAG4c50beb9d [2022-11-03 03:42:25,420 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:42:25,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i [2022-11-03 03:42:25,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/data/12e9fb721/6189b08373e343beb134acd3d7678767/FLAG4c50beb9d [2022-11-03 03:42:25,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/data/12e9fb721/6189b08373e343beb134acd3d7678767 [2022-11-03 03:42:25,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:42:25,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:42:25,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:42:25,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:42:25,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:42:25,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:25" (1/1) ... [2022-11-03 03:42:25,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94e9892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:25, skipping insertion in model container [2022-11-03 03:42:25,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:25" (1/1) ... [2022-11-03 03:42:25,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:42:25,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:42:26,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4496,4509] [2022-11-03 03:42:26,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4556,4569] [2022-11-03 03:42:27,402 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:42:27,500 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:27,502 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:27,503 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:27,504 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:27,506 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:27,544 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:27,545 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:27,550 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:27,551 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:27,988 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:42:27,989 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:42:27,990 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:42:27,992 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:42:27,993 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:42:27,994 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:42:27,995 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:42:27,996 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:42:27,997 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:42:27,998 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:42:28,147 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,148 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:42:28,277 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:42:28,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4496,4509] [2022-11-03 03:42:28,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4556,4569] [2022-11-03 03:42:28,381 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:42:28,406 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,418 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,418 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,419 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,420 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,427 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,432 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,433 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,434 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,499 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:42:28,503 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:42:28,504 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:42:28,505 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:42:28,509 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:42:28,509 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:42:28,511 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:42:28,512 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:42:28,512 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:42:28,513 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:42:28,613 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,613 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:42:28,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:42:28,909 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:42:28,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28 WrapperNode [2022-11-03 03:42:28,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:42:28,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:42:28,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:42:28,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:42:28,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28" (1/1) ... [2022-11-03 03:42:29,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28" (1/1) ... [2022-11-03 03:42:29,166 INFO L138 Inliner]: procedures = 689, calls = 1536, calls flagged for inlining = 55, calls inlined = 11, statements flattened = 719 [2022-11-03 03:42:29,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:42:29,169 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:42:29,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:42:29,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:42:29,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28" (1/1) ... [2022-11-03 03:42:29,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28" (1/1) ... [2022-11-03 03:42:29,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28" (1/1) ... [2022-11-03 03:42:29,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28" (1/1) ... [2022-11-03 03:42:29,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28" (1/1) ... [2022-11-03 03:42:29,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28" (1/1) ... [2022-11-03 03:42:29,303 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28" (1/1) ... [2022-11-03 03:42:29,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28" (1/1) ... [2022-11-03 03:42:29,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:42:29,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:42:29,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:42:29,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:42:29,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28" (1/1) ... [2022-11-03 03:42:29,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:42:29,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:42:29,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:42:29,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:42:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-03 03:42:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-03 03:42:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:42:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-03 03:42:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-03 03:42:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-03 03:42:29,435 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-03 03:42:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 03:42:29,435 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 03:42:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:42:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 03:42:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 03:42:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 03:42:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 03:42:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:42:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:42:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-03 03:42:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-03 03:42:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:42:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:42:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:42:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 03:42:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 03:42:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-03 03:42:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-03 03:42:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-03 03:42:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-03 03:42:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-03 03:42:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-03 03:42:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-03 03:42:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-03 03:42:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:42:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:42:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:42:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:42:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:42:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 03:42:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 03:42:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-03 03:42:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-03 03:42:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:42:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2022-11-03 03:42:29,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2022-11-03 03:42:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-03 03:42:29,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-03 03:42:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:42:29,914 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:42:29,917 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:42:31,182 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:42:31,435 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:42:31,435 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 03:42:31,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:42:31 BoogieIcfgContainer [2022-11-03 03:42:31,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:42:31,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:42:31,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:42:31,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:42:31,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:42:25" (1/3) ... [2022-11-03 03:42:31,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b34f92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:42:31, skipping insertion in model container [2022-11-03 03:42:31,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:28" (2/3) ... [2022-11-03 03:42:31,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b34f92a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:42:31, skipping insertion in model container [2022-11-03 03:42:31,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:42:31" (3/3) ... [2022-11-03 03:42:31,449 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_top_harness.i [2022-11-03 03:42:31,474 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:42:31,475 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:42:31,551 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:42:31,565 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;@422d901b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:42:31,565 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:42:31,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 88 states have internal predecessors, (106), 50 states have call successors, (50), 17 states have call predecessors, (50), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2022-11-03 03:42:31,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-03 03:42:31,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:31,588 INFO L195 NwaCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:31,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:31,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:31,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1748352250, now seen corresponding path program 1 times [2022-11-03 03:42:31,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:31,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263423655] [2022-11-03 03:42:31,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:31,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:32,945 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-03 03:42:32,945 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:32,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263423655] [2022-11-03 03:42:32,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263423655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:32,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:32,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:42:32,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061708833] [2022-11-03 03:42:32,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:32,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:42:32,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:32,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:42:32,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:42:32,997 INFO L87 Difference]: Start difference. First operand has 156 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 88 states have internal predecessors, (106), 50 states have call successors, (50), 17 states have call predecessors, (50), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-03 03:42:34,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:34,033 INFO L93 Difference]: Finished difference Result 282 states and 389 transitions. [2022-11-03 03:42:34,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:42:34,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 93 [2022-11-03 03:42:34,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:34,055 INFO L225 Difference]: With dead ends: 282 [2022-11-03 03:42:34,056 INFO L226 Difference]: Without dead ends: 154 [2022-11-03 03:42:34,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:42:34,069 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 31 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:34,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 623 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-03 03:42:34,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-03 03:42:34,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2022-11-03 03:42:34,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 86 states have (on average 1.1744186046511629) internal successors, (101), 87 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 17 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2022-11-03 03:42:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 200 transitions. [2022-11-03 03:42:34,170 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 200 transitions. Word has length 93 [2022-11-03 03:42:34,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:34,173 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 200 transitions. [2022-11-03 03:42:34,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-03 03:42:34,174 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2022-11-03 03:42:34,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-03 03:42:34,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:34,188 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:34,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:42:34,189 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:34,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:34,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1956707432, now seen corresponding path program 1 times [2022-11-03 03:42:34,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:34,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434253105] [2022-11-03 03:42:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:34,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:35,015 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-03 03:42:35,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:35,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434253105] [2022-11-03 03:42:35,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434253105] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:42:35,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33199681] [2022-11-03 03:42:35,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:35,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:42:35,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:42:35,022 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:42:35,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:42:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:35,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 2386 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:42:35,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:42:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-03 03:42:35,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:42:35,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33199681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:35,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:42:35,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-03 03:42:35,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819504316] [2022-11-03 03:42:35,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:35,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:42:35,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:35,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:42:35,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-03 03:42:35,871 INFO L87 Difference]: Start difference. First operand 154 states and 200 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-03 03:42:37,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:37,809 INFO L93 Difference]: Finished difference Result 289 states and 384 transitions. [2022-11-03 03:42:37,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:42:37,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 101 [2022-11-03 03:42:37,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:37,813 INFO L225 Difference]: With dead ends: 289 [2022-11-03 03:42:37,814 INFO L226 Difference]: Without dead ends: 156 [2022-11-03 03:42:37,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-11-03 03:42:37,816 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 48 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:37,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 898 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-03 03:42:37,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-03 03:42:37,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-11-03 03:42:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.1724137931034482) internal successors, (102), 89 states have internal predecessors, (102), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (55), 49 states have call predecessors, (55), 49 states have call successors, (55) [2022-11-03 03:42:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 207 transitions. [2022-11-03 03:42:37,836 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 207 transitions. Word has length 101 [2022-11-03 03:42:37,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:37,836 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 207 transitions. [2022-11-03 03:42:37,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-03 03:42:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 207 transitions. [2022-11-03 03:42:37,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-03 03:42:37,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:37,839 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:37,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 03:42:38,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:42:38,067 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:38,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:38,067 INFO L85 PathProgramCache]: Analyzing trace with hash -465372556, now seen corresponding path program 1 times [2022-11-03 03:42:38,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:38,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174309434] [2022-11-03 03:42:38,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:38,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:38,173 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:42:38,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2076657545] [2022-11-03 03:42:38,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:38,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:42:38,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:42:38,175 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:42:38,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:42:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:38,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 2518 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 03:42:38,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:42:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-03 03:42:38,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:42:38,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:38,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174309434] [2022-11-03 03:42:38,926 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:42:38,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076657545] [2022-11-03 03:42:38,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076657545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:38,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:38,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:42:38,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30685902] [2022-11-03 03:42:38,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:38,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:42:38,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:38,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:42:38,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:42:38,930 INFO L87 Difference]: Start difference. First operand 156 states and 207 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-03 03:42:39,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:39,375 INFO L93 Difference]: Finished difference Result 283 states and 377 transitions. [2022-11-03 03:42:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:42:39,376 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 110 [2022-11-03 03:42:39,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:39,378 INFO L225 Difference]: With dead ends: 283 [2022-11-03 03:42:39,379 INFO L226 Difference]: Without dead ends: 156 [2022-11-03 03:42:39,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:42:39,381 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 41 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:39,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 761 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:42:39,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-03 03:42:39,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-11-03 03:42:39,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.160919540229885) internal successors, (101), 89 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (55), 49 states have call predecessors, (55), 49 states have call successors, (55) [2022-11-03 03:42:39,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 206 transitions. [2022-11-03 03:42:39,401 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 206 transitions. Word has length 110 [2022-11-03 03:42:39,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:39,402 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 206 transitions. [2022-11-03 03:42:39,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-03 03:42:39,402 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 206 transitions. [2022-11-03 03:42:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-03 03:42:39,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:39,405 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:39,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:42:39,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:42:39,631 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:39,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:39,631 INFO L85 PathProgramCache]: Analyzing trace with hash -872142352, now seen corresponding path program 1 times [2022-11-03 03:42:39,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:39,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989883409] [2022-11-03 03:42:39,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:39,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:39,745 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:42:39,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [963817986] [2022-11-03 03:42:39,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:39,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:42:39,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:42:39,748 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:42:39,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:42:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:40,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 2572 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-03 03:42:40,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:42:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-03 03:42:40,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:42:40,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:40,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989883409] [2022-11-03 03:42:40,570 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:42:40,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963817986] [2022-11-03 03:42:40,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963817986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:40,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:40,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 03:42:40,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896870837] [2022-11-03 03:42:40,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:40,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:42:40,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:40,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:42:40,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:42:40,575 INFO L87 Difference]: Start difference. First operand 156 states and 206 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-03 03:42:41,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:41,940 INFO L93 Difference]: Finished difference Result 288 states and 382 transitions. [2022-11-03 03:42:41,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:42:41,943 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 118 [2022-11-03 03:42:41,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:41,945 INFO L225 Difference]: With dead ends: 288 [2022-11-03 03:42:41,945 INFO L226 Difference]: Without dead ends: 156 [2022-11-03 03:42:41,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:42:41,947 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 55 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:41,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1022 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 03:42:41,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-03 03:42:42,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-11-03 03:42:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.160919540229885) internal successors, (101), 89 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (54), 49 states have call predecessors, (54), 49 states have call successors, (54) [2022-11-03 03:42:42,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 205 transitions. [2022-11-03 03:42:42,015 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 205 transitions. Word has length 118 [2022-11-03 03:42:42,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:42,016 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 205 transitions. [2022-11-03 03:42:42,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-03 03:42:42,017 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 205 transitions. [2022-11-03 03:42:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-03 03:42:42,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:42,022 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:42,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:42:42,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-03 03:42:42,251 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:42,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:42,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1823335886, now seen corresponding path program 2 times [2022-11-03 03:42:42,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:42,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529756497] [2022-11-03 03:42:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:42,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:42,391 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:42:42,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1755765378] [2022-11-03 03:42:42,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 03:42:42,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:42:42,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:42:42,394 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:42:42,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:42:43,268 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-03 03:42:43,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:42:43,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1885 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 03:42:43,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:42:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 03:42:43,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:42:43,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:43,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529756497] [2022-11-03 03:42:43,330 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:42:43,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755765378] [2022-11-03 03:42:43,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755765378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:43,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:43,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:42:43,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866099370] [2022-11-03 03:42:43,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:43,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:42:43,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:43,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:42:43,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:42:43,333 INFO L87 Difference]: Start difference. First operand 156 states and 205 transitions. Second operand has 5 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 03:42:44,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:44,544 INFO L93 Difference]: Finished difference Result 262 states and 348 transitions. [2022-11-03 03:42:44,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:42:44,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 127 [2022-11-03 03:42:44,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:44,547 INFO L225 Difference]: With dead ends: 262 [2022-11-03 03:42:44,548 INFO L226 Difference]: Without dead ends: 156 [2022-11-03 03:42:44,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:42:44,549 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:44,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 666 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 03:42:44,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-03 03:42:44,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-11-03 03:42:44,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.160919540229885) internal successors, (101), 89 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (53), 49 states have call predecessors, (53), 49 states have call successors, (53) [2022-11-03 03:42:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 204 transitions. [2022-11-03 03:42:44,564 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 204 transitions. Word has length 127 [2022-11-03 03:42:44,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:44,565 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 204 transitions. [2022-11-03 03:42:44,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 03:42:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 204 transitions. [2022-11-03 03:42:44,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-03 03:42:44,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:44,567 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:44,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:42:44,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:42:44,780 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:44,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:44,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1101816282, now seen corresponding path program 3 times [2022-11-03 03:42:44,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:44,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119806263] [2022-11-03 03:42:44,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:44,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:44,875 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:42:44,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1526653338] [2022-11-03 03:42:44,876 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-03 03:42:44,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:42:44,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:42:44,877 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:42:44,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 03:42:45,609 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-03 03:42:45,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 03:42:45,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 2836 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 03:42:45,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:42:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-03 03:42:45,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:42:45,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:42:45,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119806263] [2022-11-03 03:42:45,739 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:42:45,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526653338] [2022-11-03 03:42:45,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526653338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:42:45,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:42:45,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 03:42:45,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291742103] [2022-11-03 03:42:45,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:42:45,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:42:45,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:42:45,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:42:45,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:42:45,742 INFO L87 Difference]: Start difference. First operand 156 states and 204 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 03:42:47,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:42:47,814 INFO L93 Difference]: Finished difference Result 271 states and 358 transitions. [2022-11-03 03:42:47,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:42:47,815 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 136 [2022-11-03 03:42:47,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:42:47,816 INFO L225 Difference]: With dead ends: 271 [2022-11-03 03:42:47,816 INFO L226 Difference]: Without dead ends: 166 [2022-11-03 03:42:47,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-03 03:42:47,818 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 39 mSDsluCounter, 975 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:42:47,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 1042 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 03:42:47,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-03 03:42:47,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-11-03 03:42:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 91 states have (on average 1.1538461538461537) internal successors, (105), 93 states have internal predecessors, (105), 55 states have call successors, (55), 18 states have call predecessors, (55), 19 states have return successors, (58), 54 states have call predecessors, (58), 54 states have call successors, (58) [2022-11-03 03:42:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 218 transitions. [2022-11-03 03:42:47,830 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 218 transitions. Word has length 136 [2022-11-03 03:42:47,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:42:47,831 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 218 transitions. [2022-11-03 03:42:47,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-03 03:42:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 218 transitions. [2022-11-03 03:42:47,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-03 03:42:47,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:42:47,834 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:42:47,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:42:48,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:42:48,051 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:42:48,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:42:48,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1018112460, now seen corresponding path program 1 times [2022-11-03 03:42:48,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:42:48,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733486534] [2022-11-03 03:42:48,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:48,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:42:48,153 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 03:42:48,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [4932150] [2022-11-03 03:42:48,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:42:48,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:42:48,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:42:48,155 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:42:48,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bc8d6b1-678e-498e-a818-692fd9f88a3f/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 03:42:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:42:48,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 2968 conjuncts, 221 conjunts are in the unsatisfiable core [2022-11-03 03:42:48,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:42:49,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 03:42:50,132 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:42:50,132 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 34 treesize of output 36 [2022-11-03 03:42:50,150 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-03 03:42:50,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-03 03:42:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:54,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:54,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2022-11-03 03:42:54,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:54,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-03 03:42:54,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:42:54,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-03 03:42:58,828 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_821 (Array Int Int))) (= (store |c_old(#memory_int)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_821) |c_#memory_int|)) (exists ((v_ArrVal_820 (Array Int Int))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_820))) (exists ((v_ArrVal_822 (Array Int Int))) (= (store |c_old(#memory_$Pointer$.base)| |c_aws_mul_size_checked_#in~r#1.base| v_ArrVal_822) |c_#memory_$Pointer$.base|))) is different from true [2022-11-03 03:42:59,373 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_823 (Array Int Int)) (v_ArrVal_825 (Array Int Int)) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_824 Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_824))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| v_ArrVal_825)) (= (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| v_ArrVal_823) |c_#memory_$Pointer$.base|)))) is different from true [2022-11-03 03:42:59,419 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_823 (Array Int Int)) (v_ArrVal_825 (Array Int Int)) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_824 Int)) (and (= (store |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_int)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) 0 v_ArrVal_824)) |c_#memory_int|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| v_ArrVal_825)) (= (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| v_ArrVal_823) |c_#memory_$Pointer$.base|)))) is different from true [2022-11-03 03:43:01,139 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:43:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 87 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 5 not checked. [2022-11-03 03:43:01,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:43:06,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:43:06,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733486534] [2022-11-03 03:43:06,334 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 03:43:06,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4932150] [2022-11-03 03:43:06,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4932150] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:43:06,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1625045962] [2022-11-03 03:43:06,367 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2022-11-03 03:43:06,368 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:43:06,372 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:43:06,378 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:43:06,379 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:43:09,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:43:10,042 INFO L244 Elim1Store]: Index analysis took 553 ms [2022-11-03 03:43:52,727 WARN L234 SmtUtils]: Spent 42.61s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 03:43:52,732 INFO L356 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2022-11-03 03:43:52,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2022-11-03 03:43:55,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:43:56,053 INFO L244 Elim1Store]: Index analysis took 103 ms [2022-11-03 03:43:56,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19504 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 992 treesize of output 1582 [2022-11-03 03:45:22,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:22,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-03 03:45:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:22,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-03 03:45:22,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:22,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:22,427 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-03 03:45:22,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:45:26,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:26,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:26,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:26,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:26,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:26,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:26,675 INFO L244 Elim1Store]: Index analysis took 176 ms [2022-11-03 03:45:26,725 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-03 03:45:27,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,224 INFO L244 Elim1Store]: Index analysis took 128 ms [2022-11-03 03:45:27,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 836 treesize of output 460 [2022-11-03 03:45:27,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:27,693 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-03 03:45:28,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:28,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:28,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:28,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:28,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:28,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:28,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:28,413 INFO L244 Elim1Store]: Index analysis took 145 ms [2022-11-03 03:45:28,475 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-03 03:45:29,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:29,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19504 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 [2022-11-03 03:45:37,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:37,557 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-11-03 03:45:38,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:38,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:38,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:38,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:38,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:38,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:38,363 INFO L244 Elim1Store]: Index analysis took 104 ms [2022-11-03 03:45:38,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-03 03:45:39,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,234 INFO L244 Elim1Store]: Index analysis took 150 ms [2022-11-03 03:45:39,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-03 03:45:39,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:39,843 INFO L244 Elim1Store]: Index analysis took 163 ms [2022-11-03 03:45:39,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 836 treesize of output 460 [2022-11-03 03:45:40,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:45:40,266 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19504 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 [2022-11-03 03:46:00,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-03 03:46:01,203 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-03 03:46:01,272 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-03 03:46:01,616 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-03 03:46:01,862 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-03 03:46:01,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-03 03:46:19,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-03 03:46:19,991 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-03 03:46:20,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-03 03:46:20,423 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-03 03:46:20,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-03 03:46:20,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-03 03:46:23,829 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2579 treesize of output 2569 [2022-11-03 03:46:24,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2579 treesize of output 2569 [2022-11-03 03:46:24,699 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2583 treesize of output 2562 [2022-11-03 03:46:26,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:46:42,489 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:46:42,496 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 03:46:42,529 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:46:42,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 03:46:42,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:46:42,579 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:46:42,585 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:46:42,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 03:46:42,657 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:46:42,693 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:46:42,694 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-03 03:46:42,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:46:42,758 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:46:42,794 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:46:42,795 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-03 03:46:42,809 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:46:42,945 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 03:46:43,028 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-03 03:46:43,033 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-03 03:46:43,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-03 03:46:43,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-03 03:46:45,097 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2575 treesize of output 2547 [2022-11-03 03:46:45,527 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2543 treesize of output 2519 [2022-11-03 03:46:45,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2527 treesize of output 2499 [2022-11-03 03:47:05,855 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2575 treesize of output 2547 [2022-11-03 03:47:06,157 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2543 treesize of output 2519 [2022-11-03 03:47:06,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2527 treesize of output 2499 [2022-11-03 03:47:09,702 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 03:47:09,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-03 03:47:09,756 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 03:47:09,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-03 03:47:09,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:47:09,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:47:09,912 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:47:09,913 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 29 [2022-11-03 03:47:09,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,956 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:47:09,956 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-03 03:47:09,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:09,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,002 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:47:10,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-03 03:47:10,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:47:10,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 03:47:10,133 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:47:10,133 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 29 [2022-11-03 03:47:10,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,174 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:47:10,174 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-03 03:47:10,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,215 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:47:10,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-03 03:47:10,495 INFO L356 Elim1Store]: treesize reduction 106, result has 23.2 percent of original size [2022-11-03 03:47:10,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 210 treesize of output 225 [2022-11-03 03:47:10,540 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-03 03:47:10,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 8 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 196 treesize of output 199 [2022-11-03 03:47:10,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,771 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:47:10,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2022-11-03 03:47:10,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,816 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:47:10,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-03 03:47:10,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:10,859 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:47:10,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-03 03:47:11,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,057 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:47:11,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-03 03:47:11,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,099 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:47:11,100 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2022-11-03 03:47:11,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:47:11,148 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:47:11,148 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-11-03 03:47:11,485 INFO L356 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2022-11-03 03:47:11,486 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 313 treesize of output 316 [2022-11-03 03:47:11,607 INFO L356 Elim1Store]: treesize reduction 136, result has 13.4 percent of original size [2022-11-03 03:47:11,608 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 318 treesize of output 319 [2022-11-03 03:47:11,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:47:11,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-03 03:47:11,905 INFO L356 Elim1Store]: treesize reduction 16, result has 51.5 percent of original size [2022-11-03 03:47:11,905 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 32 [2022-11-03 03:47:11,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2022-11-03 03:47:12,157 INFO L356 Elim1Store]: treesize reduction 16, result has 51.5 percent of original size [2022-11-03 03:47:12,158 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 32 [2022-11-03 03:47:12,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2022-11-03 03:48:14,628 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 103 for LOIs [2022-11-03 03:48:15,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-03 03:48:15,494 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-03 03:48:16,334 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-11-03 03:48:16,349 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2902 for LOIs [2022-11-03 03:48:34,101 INFO L197 IcfgInterpreter]: Interpreting procedure save_byte_from_array with input of size 226 for LOIs [2022-11-03 03:48:34,424 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 696 for LOIs [2022-11-03 03:48:38,789 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 50 for LOIs [2022-11-03 03:48:38,811 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 03:48:38,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 03:48:38,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:48:38,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:48:38,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:38,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:38,922 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:48:38,922 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-03 03:48:38,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:48:38,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 03:48:39,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:39,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:48:39,017 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:48:39,017 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-03 03:48:39,359 INFO L356 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-03 03:48:39,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 191 [2022-11-03 03:48:39,855 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 98 for LOIs [2022-11-03 03:48:40,163 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 84 for LOIs [2022-11-03 03:48:40,190 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2970 for LOIs [2022-11-03 03:50:04,069 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:50:04,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:50:04,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:50:04,093 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-03 03:50:25,974 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-11-03 03:50:25,978 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 123 for LOIs [2022-11-03 03:50:26,330 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 151 for LOIs [2022-11-03 03:50:26,395 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:53:23,622 WARN L234 SmtUtils]: Spent 2.88m on a formula simplification. DAG size of input: 2832 DAG size of output: 2442 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)