./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba --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 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 --- 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-b5237d8 [2022-11-22 01:44:52,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:44:52,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:44:52,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:44:52,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:44:52,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:44:52,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:44:52,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:44:52,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:44:52,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:44:52,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:44:52,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:44:52,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:44:52,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:44:52,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:44:52,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:44:52,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:44:52,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:44:52,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:44:52,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:44:52,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:44:52,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:44:52,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:44:52,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:44:52,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:44:52,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:44:52,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:44:52,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:44:52,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:44:52,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:44:52,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:44:52,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:44:52,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:44:52,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:44:52,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:44:52,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:44:52,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:44:52,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:44:52,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:44:52,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:44:52,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:44:52,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:44:52,712 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:44:52,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:44:52,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:44:52,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:44:52,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:44:52,714 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:44:52,714 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:44:52,715 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:44:52,715 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:44:52,715 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:44:52,716 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:44:52,716 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:44:52,717 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:44:52,717 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:44:52,717 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:44:52,717 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:44:52,717 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:44:52,718 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:44:52,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:44:52,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:44:52,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:44:52,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:44:52,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:44:52,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:44:52,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:44:52,720 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:44:52,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:44:52,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:44:52,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:44:52,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:44:52,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:44:52,722 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:44:52,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:44:52,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:44:52,723 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:44:52,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:44:52,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:44:52,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:44:52,723 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_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 [2022-11-22 01:44:52,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:44:53,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:44:53,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:44:53,032 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:44:53,033 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:44:53,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2022-11-22 01:44:56,083 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:44:56,632 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:44:56,633 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2022-11-22 01:44:56,688 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/data/1a04ddb31/fd4aeec2cc4b41ae955bd18678871658/FLAG484afd534 [2022-11-22 01:44:56,713 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/data/1a04ddb31/fd4aeec2cc4b41ae955bd18678871658 [2022-11-22 01:44:56,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:44:56,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:44:56,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:44:56,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:44:56,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:44:56,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:44:56" (1/1) ... [2022-11-22 01:44:56,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310a0f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:56, skipping insertion in model container [2022-11-22 01:44:56,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:44:56" (1/1) ... [2022-11-22 01:44:56,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:44:56,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:44:57,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2022-11-22 01:44:57,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2022-11-22 01:44:58,397 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,398 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,400 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,401 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,403 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,417 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,418 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,420 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,422 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,425 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,428 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,429 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,430 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:58,859 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 01:44:58,860 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 01:44:58,861 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 01:44:58,863 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 01:44:58,864 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 01:44:58,865 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 01:44:58,865 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 01:44:58,866 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 01:44:58,876 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 01:44:58,877 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 01:44:59,056 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 01:44:59,089 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,096 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,195 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,196 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,196 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,197 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,197 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,198 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,198 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,199 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,199 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,199 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,200 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,200 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,200 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,206 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,206 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,207 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,207 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,216 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,216 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,233 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,234 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,234 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:44:59,308 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:44:59,333 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2022-11-22 01:44:59,336 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2022-11-22 01:44:59,379 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,380 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,380 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,380 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,381 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,386 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,387 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,388 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,388 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,389 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,390 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,390 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,390 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,419 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 01:44:59,420 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 01:44:59,420 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 01:44:59,421 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 01:44:59,422 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 01:44:59,422 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 01:44:59,423 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 01:44:59,423 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 01:44:59,424 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 01:44:59,424 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 01:44:59,442 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 01:44:59,454 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,458 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,480 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,481 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,481 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,481 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,482 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,482 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,482 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,483 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,483 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,484 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,484 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,484 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,484 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,485 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,486 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,486 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,553 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,555 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,556 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,561 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,562 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,562 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:59,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:44:59,785 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:44:59,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59 WrapperNode [2022-11-22 01:44:59,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:44:59,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:44:59,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:44:59,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:44:59,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59" (1/1) ... [2022-11-22 01:44:59,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59" (1/1) ... [2022-11-22 01:44:59,971 INFO L138 Inliner]: procedures = 697, calls = 1879, calls flagged for inlining = 58, calls inlined = 17, statements flattened = 1144 [2022-11-22 01:44:59,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:44:59,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:44:59,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:44:59,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:44:59,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59" (1/1) ... [2022-11-22 01:44:59,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59" (1/1) ... [2022-11-22 01:44:59,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59" (1/1) ... [2022-11-22 01:44:59,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59" (1/1) ... [2022-11-22 01:45:00,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59" (1/1) ... [2022-11-22 01:45:00,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59" (1/1) ... [2022-11-22 01:45:00,102 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59" (1/1) ... [2022-11-22 01:45:00,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59" (1/1) ... [2022-11-22 01:45:00,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:45:00,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:45:00,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:45:00,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:45:00,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59" (1/1) ... [2022-11-22 01:45:00,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:45:00,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:45:00,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:45:00,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:45:00,232 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-22 01:45:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-22 01:45:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2022-11-22 01:45:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2022-11-22 01:45:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-22 01:45:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-22 01:45:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:45:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-22 01:45:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-22 01:45:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-22 01:45:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-22 01:45:00,235 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-22 01:45:00,236 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-22 01:45:00,239 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-22 01:45:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-22 01:45:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-11-22 01:45:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-11-22 01:45:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:45:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-22 01:45:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-22 01:45:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 01:45:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 01:45:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:45:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:45:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:45:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-11-22 01:45:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-11-22 01:45:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-22 01:45:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-22 01:45:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:45:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:45:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 01:45:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 01:45:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-22 01:45:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-22 01:45:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-22 01:45:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-22 01:45:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-22 01:45:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-22 01:45:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-22 01:45:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-22 01:45:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-22 01:45:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-22 01:45:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:45:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:45:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:45:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:45:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-22 01:45:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-22 01:45:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-11-22 01:45:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-11-22 01:45:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-22 01:45:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-22 01:45:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:45:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-22 01:45:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-22 01:45:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:45:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:45:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2022-11-22 01:45:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2022-11-22 01:45:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-22 01:45:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-22 01:45:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-22 01:45:00,256 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-22 01:45:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-22 01:45:00,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-22 01:45:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-22 01:45:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-22 01:45:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:45:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-22 01:45:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-22 01:45:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2022-11-22 01:45:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2022-11-22 01:45:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-22 01:45:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-22 01:45:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 01:45:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 01:45:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:45:00,743 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:45:00,745 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:45:02,430 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:45:02,779 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:45:02,779 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-22 01:45:02,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:45:02 BoogieIcfgContainer [2022-11-22 01:45:02,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:45:02,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:45:02,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:45:02,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:45:02,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:44:56" (1/3) ... [2022-11-22 01:45:02,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@623a0626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:45:02, skipping insertion in model container [2022-11-22 01:45:02,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:59" (2/3) ... [2022-11-22 01:45:02,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@623a0626 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:45:02, skipping insertion in model container [2022-11-22 01:45:02,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:45:02" (3/3) ... [2022-11-22 01:45:02,797 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2022-11-22 01:45:02,816 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:45:02,817 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 01:45:02,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:45:02,910 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;@6189fd15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:45:02,910 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 01:45:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 461 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2022-11-22 01:45:02,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-22 01:45:02,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:02,936 INFO L195 NwaCegarLoop]: trace histogram [11, 3, 3, 3, 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, 1] [2022-11-22 01:45:02,937 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:45:02,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:02,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1883306848, now seen corresponding path program 1 times [2022-11-22 01:45:02,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:02,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564099640] [2022-11-22 01:45:02,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:02,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-11-22 01:45:04,240 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:04,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564099640] [2022-11-22 01:45:04,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564099640] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:45:04,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505765440] [2022-11-22 01:45:04,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:04,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:04,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:45:04,246 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:45:04,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:45:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:04,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:45:04,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:45:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-22 01:45:05,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:45:05,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505765440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:05,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:45:05,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-22 01:45:05,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912897320] [2022-11-22 01:45:05,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:05,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:45:05,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:05,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:45:05,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:45:05,169 INFO L87 Difference]: Start difference. First operand has 461 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-22 01:45:05,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:05,959 INFO L93 Difference]: Finished difference Result 895 states and 1358 transitions. [2022-11-22 01:45:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:45:05,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 123 [2022-11-22 01:45:05,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:05,976 INFO L225 Difference]: With dead ends: 895 [2022-11-22 01:45:05,977 INFO L226 Difference]: Without dead ends: 460 [2022-11-22 01:45:05,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:45:05,989 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 18 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:05,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 2341 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 01:45:06,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-11-22 01:45:06,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2022-11-22 01:45:06,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 232 states have (on average 1.1896551724137931) internal successors, (276), 235 states have internal predecessors, (276), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (199), 191 states have call predecessors, (199), 191 states have call successors, (199) [2022-11-22 01:45:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 668 transitions. [2022-11-22 01:45:06,082 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 668 transitions. Word has length 123 [2022-11-22 01:45:06,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:06,082 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 668 transitions. [2022-11-22 01:45:06,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-22 01:45:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 668 transitions. [2022-11-22 01:45:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-22 01:45:06,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:06,093 INFO L195 NwaCegarLoop]: trace histogram [11, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:06,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 01:45:06,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:06,302 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:45:06,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:06,303 INFO L85 PathProgramCache]: Analyzing trace with hash 745458347, now seen corresponding path program 1 times [2022-11-22 01:45:06,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:06,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741092996] [2022-11-22 01:45:06,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:06,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-22 01:45:07,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:07,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741092996] [2022-11-22 01:45:07,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741092996] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:45:07,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069697787] [2022-11-22 01:45:07,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:07,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:07,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:45:07,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:45:07,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:45:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:07,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 2426 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 01:45:07,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:45:07,948 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-22 01:45:07,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:45:07,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069697787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:07,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:45:07,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-22 01:45:07,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368548597] [2022-11-22 01:45:07,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:07,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 01:45:07,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:07,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 01:45:07,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-22 01:45:07,952 INFO L87 Difference]: Start difference. First operand 460 states and 668 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-22 01:45:08,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:08,992 INFO L93 Difference]: Finished difference Result 905 states and 1354 transitions. [2022-11-22 01:45:08,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:45:08,993 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 131 [2022-11-22 01:45:08,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:08,997 INFO L225 Difference]: With dead ends: 905 [2022-11-22 01:45:08,997 INFO L226 Difference]: Without dead ends: 473 [2022-11-22 01:45:09,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-22 01:45:09,007 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 36 mSDsluCounter, 2709 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 3277 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:09,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 3277 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-22 01:45:09,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-11-22 01:45:09,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2022-11-22 01:45:09,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-11-22 01:45:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-11-22 01:45:09,055 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 131 [2022-11-22 01:45:09,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:09,055 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-11-22 01:45:09,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-11-22 01:45:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-11-22 01:45:09,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-22 01:45:09,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:09,058 INFO L195 NwaCegarLoop]: trace histogram [11, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:09,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:45:09,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:09,268 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:45:09,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:09,269 INFO L85 PathProgramCache]: Analyzing trace with hash -743776453, now seen corresponding path program 1 times [2022-11-22 01:45:09,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:09,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978711319] [2022-11-22 01:45:09,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:09,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:09,381 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:45:09,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [967272752] [2022-11-22 01:45:09,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:09,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:09,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:45:09,383 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:45:09,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:45:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:10,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 2558 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 01:45:10,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:45:10,116 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-22 01:45:10,116 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:45:10,117 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:10,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978711319] [2022-11-22 01:45:10,117 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:45:10,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967272752] [2022-11-22 01:45:10,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967272752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:10,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:10,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:45:10,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777649654] [2022-11-22 01:45:10,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:10,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:45:10,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:10,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:45:10,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:45:10,122 INFO L87 Difference]: Start difference. First operand 471 states and 714 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-22 01:45:10,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:10,813 INFO L93 Difference]: Finished difference Result 922 states and 1420 transitions. [2022-11-22 01:45:10,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:45:10,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 140 [2022-11-22 01:45:10,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:10,818 INFO L225 Difference]: With dead ends: 922 [2022-11-22 01:45:10,818 INFO L226 Difference]: Without dead ends: 479 [2022-11-22 01:45:10,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:45:10,822 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 29 mSDsluCounter, 2304 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2902 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:10,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2902 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 01:45:10,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-11-22 01:45:10,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 471. [2022-11-22 01:45:10,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-11-22 01:45:10,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-11-22 01:45:10,883 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 140 [2022-11-22 01:45:10,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:10,884 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-11-22 01:45:10,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-22 01:45:10,885 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-11-22 01:45:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-22 01:45:10,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:10,887 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:10,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 01:45:11,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-22 01:45:11,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:45:11,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:11,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1065458262, now seen corresponding path program 1 times [2022-11-22 01:45:11,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:11,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38240658] [2022-11-22 01:45:11,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:11,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:11,199 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:45:11,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1220615576] [2022-11-22 01:45:11,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:11,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:11,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:45:11,201 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:45:11,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:45:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:11,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 2612 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:45:11,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:45:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-11-22 01:45:11,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:45:11,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:11,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38240658] [2022-11-22 01:45:11,999 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:45:11,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220615576] [2022-11-22 01:45:11,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220615576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:11,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:12,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:12,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424763085] [2022-11-22 01:45:12,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:12,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 01:45:12,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:12,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 01:45:12,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:45:12,002 INFO L87 Difference]: Start difference. First operand 471 states and 714 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-22 01:45:13,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:13,174 INFO L93 Difference]: Finished difference Result 924 states and 1417 transitions. [2022-11-22 01:45:13,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:45:13,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) Word has length 148 [2022-11-22 01:45:13,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:13,179 INFO L225 Difference]: With dead ends: 924 [2022-11-22 01:45:13,179 INFO L226 Difference]: Without dead ends: 481 [2022-11-22 01:45:13,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:45:13,187 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 52 mSDsluCounter, 3236 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 3802 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:13,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 3802 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-22 01:45:13,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-11-22 01:45:13,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 471. [2022-11-22 01:45:13,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-11-22 01:45:13,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-11-22 01:45:13,235 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 148 [2022-11-22 01:45:13,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:13,235 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-11-22 01:45:13,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2022-11-22 01:45:13,236 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-11-22 01:45:13,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-22 01:45:13,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:13,240 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:13,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:45:13,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:13,451 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:45:13,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:13,452 INFO L85 PathProgramCache]: Analyzing trace with hash -115711986, now seen corresponding path program 2 times [2022-11-22 01:45:13,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:13,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089747860] [2022-11-22 01:45:13,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:13,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:13,553 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:45:13,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189060932] [2022-11-22 01:45:13,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:45:13,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:13,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:45:13,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:45:13,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:45:14,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-22 01:45:14,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:45:14,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:45:14,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:45:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-22 01:45:14,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:45:14,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:14,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089747860] [2022-11-22 01:45:14,613 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:45:14,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189060932] [2022-11-22 01:45:14,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189060932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:14,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:14,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:45:14,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020226032] [2022-11-22 01:45:14,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:14,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:45:14,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:14,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:45:14,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:45:14,617 INFO L87 Difference]: Start difference. First operand 471 states and 714 transitions. Second operand has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-22 01:45:15,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:15,454 INFO L93 Difference]: Finished difference Result 894 states and 1373 transitions. [2022-11-22 01:45:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:45:15,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 157 [2022-11-22 01:45:15,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:15,459 INFO L225 Difference]: With dead ends: 894 [2022-11-22 01:45:15,459 INFO L226 Difference]: Without dead ends: 471 [2022-11-22 01:45:15,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:45:15,463 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 0 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:15,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2211 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 01:45:15,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-11-22 01:45:15,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2022-11-22 01:45:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (232), 194 states have call predecessors, (232), 193 states have call successors, (232) [2022-11-22 01:45:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 713 transitions. [2022-11-22 01:45:15,493 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 713 transitions. Word has length 157 [2022-11-22 01:45:15,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:15,494 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 713 transitions. [2022-11-22 01:45:15,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-22 01:45:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 713 transitions. [2022-11-22 01:45:15,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-22 01:45:15,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:15,497 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:15,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:45:15,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:15,707 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:45:15,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:15,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1614652822, now seen corresponding path program 3 times [2022-11-22 01:45:15,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:15,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290449499] [2022-11-22 01:45:15,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:15,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:15,813 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:45:15,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1290899863] [2022-11-22 01:45:15,813 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 01:45:15,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:15,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:45:15,815 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:45:15,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 01:45:16,230 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 01:45:16,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:45:16,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-22 01:45:16,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:45:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-22 01:45:16,316 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:45:16,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:16,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290449499] [2022-11-22 01:45:16,317 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:45:16,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290899863] [2022-11-22 01:45:16,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290899863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:16,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:16,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:45:16,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920028264] [2022-11-22 01:45:16,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:16,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 01:45:16,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:16,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 01:45:16,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:45:16,319 INFO L87 Difference]: Start difference. First operand 471 states and 713 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-22 01:45:17,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:17,772 INFO L93 Difference]: Finished difference Result 987 states and 1512 transitions. [2022-11-22 01:45:17,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:45:17,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 166 [2022-11-22 01:45:17,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:17,778 INFO L225 Difference]: With dead ends: 987 [2022-11-22 01:45:17,778 INFO L226 Difference]: Without dead ends: 560 [2022-11-22 01:45:17,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-22 01:45:17,781 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 100 mSDsluCounter, 3520 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 4158 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:17,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 4158 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-22 01:45:17,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-11-22 01:45:17,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 544. [2022-11-22 01:45:17,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 282 states have (on average 1.2056737588652482) internal successors, (340), 287 states have internal predecessors, (340), 224 states have call successors, (224), 34 states have call predecessors, (224), 36 states have return successors, (275), 222 states have call predecessors, (275), 222 states have call successors, (275) [2022-11-22 01:45:17,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 839 transitions. [2022-11-22 01:45:17,825 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 839 transitions. Word has length 166 [2022-11-22 01:45:17,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:17,827 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 839 transitions. [2022-11-22 01:45:17,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-22 01:45:17,828 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 839 transitions. [2022-11-22 01:45:17,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-22 01:45:17,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:17,832 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:17,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 01:45:18,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:18,039 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:45:18,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:18,039 INFO L85 PathProgramCache]: Analyzing trace with hash -898698852, now seen corresponding path program 4 times [2022-11-22 01:45:18,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:18,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764456200] [2022-11-22 01:45:18,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:18,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:18,139 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:45:18,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2011522358] [2022-11-22 01:45:18,140 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-22 01:45:18,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:18,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:45:18,141 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:45:18,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 01:45:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:18,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 3008 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 01:45:18,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:45:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-22 01:45:19,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:45:19,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:19,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764456200] [2022-11-22 01:45:19,051 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:45:19,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011522358] [2022-11-22 01:45:19,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011522358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:19,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:19,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-22 01:45:19,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263948097] [2022-11-22 01:45:19,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:19,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 01:45:19,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:19,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 01:45:19,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:45:19,053 INFO L87 Difference]: Start difference. First operand 544 states and 839 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-22 01:45:19,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:19,816 INFO L93 Difference]: Finished difference Result 930 states and 1416 transitions. [2022-11-22 01:45:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:45:19,817 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 175 [2022-11-22 01:45:19,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:19,819 INFO L225 Difference]: With dead ends: 930 [2022-11-22 01:45:19,819 INFO L226 Difference]: Without dead ends: 473 [2022-11-22 01:45:19,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:45:19,823 INFO L413 NwaCegarLoop]: 593 mSDtfsCounter, 85 mSDsluCounter, 2753 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 3346 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:19,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 3346 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-22 01:45:19,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-11-22 01:45:19,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2022-11-22 01:45:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 241 states have (on average 1.1908713692946058) internal successors, (287), 245 states have internal predecessors, (287), 195 states have call successors, (195), 33 states have call predecessors, (195), 35 states have return successors, (236), 194 states have call predecessors, (236), 193 states have call successors, (236) [2022-11-22 01:45:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 718 transitions. [2022-11-22 01:45:19,857 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 718 transitions. Word has length 175 [2022-11-22 01:45:19,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:19,858 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 718 transitions. [2022-11-22 01:45:19,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-11-22 01:45:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 718 transitions. [2022-11-22 01:45:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-22 01:45:19,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:19,861 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:19,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-22 01:45:20,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:20,073 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:45:20,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:20,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1458200607, now seen corresponding path program 1 times [2022-11-22 01:45:20,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:20,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087349678] [2022-11-22 01:45:20,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:20,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:20,181 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:45:20,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1941684342] [2022-11-22 01:45:20,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:20,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:20,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:45:20,187 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:45:20,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 01:45:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:45:20,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 2926 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:45:21,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:45:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-22 01:45:21,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:45:21,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:21,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087349678] [2022-11-22 01:45:21,134 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:45:21,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941684342] [2022-11-22 01:45:21,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941684342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:45:21,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:45:21,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-22 01:45:21,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926774430] [2022-11-22 01:45:21,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:45:21,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 01:45:21,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:45:21,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 01:45:21,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:45:21,137 INFO L87 Difference]: Start difference. First operand 473 states and 718 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-11-22 01:45:22,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:45:22,731 INFO L93 Difference]: Finished difference Result 915 states and 1397 transitions. [2022-11-22 01:45:22,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:45:22,732 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 174 [2022-11-22 01:45:22,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:45:22,736 INFO L225 Difference]: With dead ends: 915 [2022-11-22 01:45:22,736 INFO L226 Difference]: Without dead ends: 481 [2022-11-22 01:45:22,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:45:22,740 INFO L413 NwaCegarLoop]: 561 mSDtfsCounter, 104 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 4189 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:45:22,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 4189 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-22 01:45:22,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-11-22 01:45:22,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2022-11-22 01:45:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 246 states have (on average 1.1910569105691058) internal successors, (293), 249 states have internal predecessors, (293), 196 states have call successors, (196), 33 states have call predecessors, (196), 35 states have return successors, (237), 196 states have call predecessors, (237), 194 states have call successors, (237) [2022-11-22 01:45:22,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 726 transitions. [2022-11-22 01:45:22,769 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 726 transitions. Word has length 174 [2022-11-22 01:45:22,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:45:22,770 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 726 transitions. [2022-11-22 01:45:22,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-11-22 01:45:22,770 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 726 transitions. [2022-11-22 01:45:22,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-22 01:45:22,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:45:22,773 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:45:22,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 01:45:22,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-22 01:45:22,984 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:45:22,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:45:22,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1086080155, now seen corresponding path program 2 times [2022-11-22 01:45:22,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:45:22,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561409407] [2022-11-22 01:45:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:45:22,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:45:23,091 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:45:23,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1990224930] [2022-11-22 01:45:23,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:45:23,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:45:23,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:45:23,093 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:45:23,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_997e5f7f-cd13-4245-bbf0-063a5cbf2e30/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-22 01:45:23,844 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-22 01:45:23,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:45:23,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 2013 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-22 01:45:23,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:45:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-22 01:45:23,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:45:24,346 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-11-22 01:45:24,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:45:24,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561409407] [2022-11-22 01:45:24,347 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:45:24,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990224930] [2022-11-22 01:45:24,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990224930] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:45:24,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [864752632] [2022-11-22 01:45:24,378 INFO L159 IcfgInterpreter]: Started Sifa with 90 locations of interest [2022-11-22 01:45:24,378 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:45:24,385 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:45:24,391 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:45:24,392 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:45:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:28,500 INFO L217 Elim1Store]: Index analysis took 514 ms [2022-11-22 01:45:45,746 WARN L233 SmtUtils]: Spent 17.17s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:45:45,754 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-11-22 01:45:45,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-11-22 01:45:48,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:49,562 INFO L217 Elim1Store]: Index analysis took 847 ms [2022-11-22 01:46:15,888 WARN L233 SmtUtils]: Spent 26.27s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:46:15,890 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-22 01:46:15,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-11-22 01:47:38,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:38,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-22 01:47:38,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:38,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-22 01:47:38,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:38,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:38,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-22 01:47:38,568 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:47:42,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:42,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:42,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:42,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:42,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:42,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:42,630 INFO L217 Elim1Store]: Index analysis took 176 ms [2022-11-22 01:47:42,672 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:47:43,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 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 [2022-11-22 01:47:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:43,730 INFO L350 Elim1Store]: Elim1 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 588 treesize of output 260 [2022-11-22 01:47:44,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:44,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-22 01:47:44,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:44,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:44,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:44,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:44,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:44,859 INFO L217 Elim1Store]: Index analysis took 115 ms [2022-11-22 01:47:44,893 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:47:52,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,225 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-11-22 01:47:52,231 INFO L350 Elim1Store]: Elim1 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 588 treesize of output 260 [2022-11-22 01:47:52,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:52,724 INFO L217 Elim1Store]: Index analysis took 119 ms [2022-11-22 01:47:52,755 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:47:53,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:53,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 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 [2022-11-22 01:47:53,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:53,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:53,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:54,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:54,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:54,063 INFO L217 Elim1Store]: Index analysis took 115 ms [2022-11-22 01:47:54,096 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:47:54,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:47:54,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-22 01:48:10,460 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:48:10,510 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:48:10,651 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:48:10,886 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:48:10,939 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:48:11,075 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:48:25,856 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:48:25,946 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:48:26,000 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:48:26,335 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:48:26,423 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:48:26,471 INFO L350 Elim1Store]: Elim1 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 [2022-11-22 01:48:28,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-11-22 01:48:29,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-11-22 01:48:29,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2175 treesize of output 2154 [2022-11-22 01:48:30,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:48:43,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:48:43,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:48:43,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:48:43,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:48:43,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 01:48:43,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:48:43,967 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:48:43,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:48:44,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:48:44,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:48:44,060 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:48:44,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-22 01:48:44,120 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:48:44,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-22 01:48:44,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:48:44,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:48:44,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:48:44,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-22 01:48:44,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-22 01:48:44,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-22 01:48:44,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-22 01:48:45,896 INFO L350 Elim1Store]: Elim1 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 2167 treesize of output 2139 [2022-11-22 01:48:46,156 INFO L350 Elim1Store]: Elim1 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 2143 treesize of output 2115 [2022-11-22 01:48:46,339 INFO L350 Elim1Store]: Elim1 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 2111 treesize of output 2087 [2022-11-22 01:49:02,838 INFO L350 Elim1Store]: Elim1 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 2167 treesize of output 2139 [2022-11-22 01:49:03,099 INFO L350 Elim1Store]: Elim1 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 2135 treesize of output 2111 [2022-11-22 01:49:03,199 INFO L350 Elim1Store]: Elim1 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 2119 treesize of output 2091 [2022-11-22 01:49:57,521 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2895 for LOIs [2022-11-22 01:50:10,522 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 693 for LOIs [2022-11-22 01:50:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:15,735 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:15,760 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-22 01:50:15,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-11-22 01:50:15,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:15,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:15,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:15,952 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-22 01:50:15,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-11-22 01:50:16,117 INFO L350 Elim1Store]: Elim1 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 1855 treesize of output 1831 [2022-11-22 01:50:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:20,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:20,960 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-22 01:50:20,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-11-22 01:50:21,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:21,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:21,148 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-22 01:50:21,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-11-22 01:50:21,312 INFO L350 Elim1Store]: Elim1 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 1855 treesize of output 1831 [2022-11-22 01:50:25,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:25,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:25,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:25,843 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-22 01:50:25,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-11-22 01:50:26,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:26,030 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-11-22 01:50:26,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-11-22 01:50:26,193 INFO L350 Elim1Store]: Elim1 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 1855 treesize of output 1831 [2022-11-22 01:50:28,360 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 743 for LOIs [2022-11-22 01:50:33,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-11-22 01:50:33,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-11-22 01:50:42,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-11-22 01:50:42,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-11-22 01:50:49,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 01:50:51,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-11-22 01:50:51,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-11-22 01:50:55,265 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 726 for LOIs [2022-11-22 01:51:14,844 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 715 for LOIs [2022-11-22 01:51:17,209 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2963 for LOIs [2022-11-22 01:52:46,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 01:52:46,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 01:52:46,837 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:52:46,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-22 01:53:11,102 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-11-22 01:53:11,106 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-22 01:53:11,119 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 91 for LOIs [2022-11-22 01:53:11,606 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 43 for LOIs [2022-11-22 01:53:11,610 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:56:17,925 WARN L233 SmtUtils]: Spent 3.10m on a formula simplification. DAG size of input: 2825 DAG size of output: 2437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)