./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8 --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 d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:20:34,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:20:34,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:20:34,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:20:34,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:20:34,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:20:34,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:20:34,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:20:34,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:20:34,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:20:34,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:20:34,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:20:34,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:20:34,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:20:34,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:20:34,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:20:34,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:20:34,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:20:34,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:20:34,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:20:34,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:20:34,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:20:34,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:20:34,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:20:34,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:20:34,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:20:34,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:20:34,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:20:34,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:20:34,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:20:34,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:20:34,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:20:34,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:20:34,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:20:34,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:20:34,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:20:34,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:20:34,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:20:34,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:20:34,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:20:34,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:20:34,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:20:34,738 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:20:34,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:20:34,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:20:34,740 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:20:34,741 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:20:34,741 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:20:34,741 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:20:34,742 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:20:34,742 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:20:34,742 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:20:34,751 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:20:34,752 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:20:34,752 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:20:34,752 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:20:34,753 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:20:34,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:20:34,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:20:34,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:20:34,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:20:34,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:20:34,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:20:34,756 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:20:34,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:20:34,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:20:34,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:20:34,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:20:34,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:20:34,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:20:34,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:20:34,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:20:34,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:20:34,761 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:20:34,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:20:34,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:20:34,762 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:20:34,762 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:20:34,763 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 [2021-11-07 02:20:35,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:20:35,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:20:35,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:20:35,257 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:20:35,258 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:20:35,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2021-11-07 02:20:35,368 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/data/1f6229783/236045d2a01449819f3836330408c440/FLAG053ed1ce5 [2021-11-07 02:20:36,525 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:20:36,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2021-11-07 02:20:36,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/data/1f6229783/236045d2a01449819f3836330408c440/FLAG053ed1ce5 [2021-11-07 02:20:36,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/data/1f6229783/236045d2a01449819f3836330408c440 [2021-11-07 02:20:36,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:20:36,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:20:36,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:20:36,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:20:36,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:20:36,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:20:36" (1/1) ... [2021-11-07 02:20:36,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e767742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:36, skipping insertion in model container [2021-11-07 02:20:36,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:20:36" (1/1) ... [2021-11-07 02:20:36,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:20:37,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:20:37,380 WARN L228 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_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2021-11-07 02:20:37,389 WARN L228 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_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2021-11-07 02:20:37,415 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:20:37,422 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:20:38,488 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:38,492 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:38,493 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:38,494 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:38,498 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:38,535 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:38,539 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:38,548 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:38,549 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:38,555 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:38,561 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:38,564 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:38,565 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,059 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:20:39,061 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:20:39,065 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:20:39,067 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:20:39,069 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:20:39,070 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:20:39,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:20:39,072 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:20:39,074 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:20:39,075 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:20:39,290 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:20:39,328 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,338 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,437 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,438 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,439 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,439 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,440 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,440 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,469 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,472 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,473 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,473 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,474 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,474 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,492 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,498 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,499 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,499 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,500 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,513 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,513 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,534 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,536 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,536 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:39,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:20:39,640 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-07 02:20:39,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50517e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:39, skipping insertion in model container [2021-11-07 02:20:39,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:20:39,642 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:20:39,645 INFO L168 Benchmark]: Toolchain (without parser) took 2794.10 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 52.9 MB in the beginning and 95.2 MB in the end (delta: -42.3 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:39,646 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory was 67.3 MB in the beginning and 67.3 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:39,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2790.71 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 52.7 MB in the beginning and 95.2 MB in the end (delta: -42.5 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:39,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory was 67.3 MB in the beginning and 67.3 MB in the end (delta: 25.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2790.71 ms. Allocated memory was 96.5 MB in the beginning and 134.2 MB in the end (delta: 37.7 MB). Free memory was 52.7 MB in the beginning and 95.2 MB in the end (delta: -42.5 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7039]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8 --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 d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:20:42,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:20:42,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:20:42,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:20:42,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:20:42,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:20:42,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:20:42,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:20:42,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:20:42,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:20:42,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:20:42,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:20:42,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:20:42,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:20:42,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:20:42,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:20:42,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:20:42,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:20:42,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:20:42,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:20:42,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:20:42,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:20:42,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:20:42,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:20:42,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:20:42,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:20:42,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:20:42,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:20:42,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:20:42,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:20:42,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:20:42,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:20:42,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:20:42,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:20:42,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:20:42,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:20:42,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:20:42,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:20:42,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:20:42,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:20:42,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:20:42,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:20:42,752 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:20:42,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:20:42,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:20:42,754 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:20:42,754 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:20:42,754 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:20:42,755 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:20:42,755 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:20:42,756 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:20:42,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:20:42,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:20:42,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:20:42,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:20:42,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:20:42,760 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:20:42,760 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:20:42,761 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:20:42,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:20:42,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:20:42,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:20:42,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:20:42,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:20:42,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:20:42,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:20:42,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:20:42,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:20:42,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:20:42,764 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:20:42,764 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:20:42,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:20:42,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:20:42,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:20:42,765 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 [2021-11-07 02:20:43,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:20:43,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:20:43,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:20:43,228 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:20:43,229 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:20:43,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2021-11-07 02:20:43,327 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/data/9ad7e5226/db39c37fc85244baac833fa338850891/FLAGf3f1912fa [2021-11-07 02:20:44,420 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:20:44,421 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2021-11-07 02:20:44,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/data/9ad7e5226/db39c37fc85244baac833fa338850891/FLAGf3f1912fa [2021-11-07 02:20:44,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/data/9ad7e5226/db39c37fc85244baac833fa338850891 [2021-11-07 02:20:44,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:20:44,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:20:44,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:20:44,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:20:44,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:20:44,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:20:44" (1/1) ... [2021-11-07 02:20:44,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a375a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:44, skipping insertion in model container [2021-11-07 02:20:44,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:20:44" (1/1) ... [2021-11-07 02:20:44,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:20:45,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:20:45,514 WARN L228 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_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2021-11-07 02:20:45,524 WARN L228 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_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2021-11-07 02:20:45,563 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:20:45,580 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:20:47,184 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,185 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,186 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,187 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,198 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,233 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,234 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,238 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,246 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,252 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,259 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,260 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,261 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:47,954 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:20:47,955 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:20:47,957 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:20:47,958 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:20:47,960 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:20:47,961 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:20:47,961 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:20:47,962 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:20:47,963 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:20:47,964 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:20:48,200 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:20:48,242 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,252 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,340 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,341 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,342 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,343 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,343 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,344 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,345 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,346 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,346 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,346 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,347 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,347 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,348 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,352 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,353 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,353 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,353 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,358 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,359 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,369 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,373 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,376 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:20:48,478 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:20:48,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:20:48,545 WARN L228 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_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2021-11-07 02:20:48,546 WARN L228 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_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2021-11-07 02:20:48,553 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:20:48,556 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:20:48,630 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,631 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,631 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,632 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,633 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,645 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,645 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,647 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,648 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,649 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,649 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,698 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:20:48,699 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:20:48,700 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:20:48,701 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:20:48,702 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:20:48,703 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:20:48,704 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:20:48,705 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:20:48,705 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:20:48,706 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:20:48,736 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:20:48,756 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,761 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,829 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,830 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,831 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,831 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,831 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,832 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,833 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,833 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,834 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,834 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,835 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,835 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,835 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,837 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,837 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,837 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,838 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,841 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,842 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,849 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,850 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,851 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:20:48,880 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:20:48,895 WARN L228 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_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2021-11-07 02:20:48,896 WARN L228 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_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2021-11-07 02:20:48,897 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-07 02:20:48,898 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-07 02:20:48,936 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,937 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,937 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,938 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,939 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,946 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,946 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,947 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,948 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,949 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,950 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,950 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:48,951 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,034 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-07 02:20:49,035 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-07 02:20:49,035 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-07 02:20:49,036 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-07 02:20:49,037 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-07 02:20:49,038 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-07 02:20:49,038 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-07 02:20:49,039 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-07 02:20:49,040 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-07 02:20:49,040 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-07 02:20:49,072 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-07 02:20:49,108 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,115 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,154 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,155 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,155 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,155 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,156 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,156 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,157 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,158 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,158 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,158 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,159 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,160 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,161 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,166 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,167 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,167 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,167 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,172 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,173 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,179 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,180 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,181 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-07 02:20:49,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:20:49,622 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:20:49,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:49 WrapperNode [2021-11-07 02:20:49,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:20:49,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:20:49,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:20:49,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:20:49,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:49" (1/1) ... [2021-11-07 02:20:49,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:49" (1/1) ... [2021-11-07 02:20:50,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:20:50,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:20:50,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:20:50,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:20:50,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:49" (1/1) ... [2021-11-07 02:20:50,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:49" (1/1) ... [2021-11-07 02:20:50,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:49" (1/1) ... [2021-11-07 02:20:50,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:49" (1/1) ... [2021-11-07 02:20:50,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:49" (1/1) ... [2021-11-07 02:20:50,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:49" (1/1) ... [2021-11-07 02:20:51,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:49" (1/1) ... [2021-11-07 02:20:51,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:20:51,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:20:51,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:20:51,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:20:51,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:49" (1/1) ... [2021-11-07 02:20:51,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:20:51,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:51,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:20:51,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:20:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:20:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:20:51,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:20:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 02:20:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:20:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:20:51,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:20:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:20:51,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:20:51,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:20:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-07 02:20:51,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:20:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-07 02:20:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:20:51,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:20:51,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:21:40,644 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:21:40,645 INFO L299 CfgBuilder]: Removed 1945 assume(true) statements. [2021-11-07 02:21:40,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:21:40 BoogieIcfgContainer [2021-11-07 02:21:40,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:21:40,656 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:21:40,656 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:21:40,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:21:40,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:20:44" (1/3) ... [2021-11-07 02:21:40,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b1dc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:21:40, skipping insertion in model container [2021-11-07 02:21:40,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:49" (2/3) ... [2021-11-07 02:21:40,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b1dc24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:21:40, skipping insertion in model container [2021-11-07 02:21:40,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:21:40" (3/3) ... [2021-11-07 02:21:40,664 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness.i [2021-11-07 02:21:40,671 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:21:40,672 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2021-11-07 02:21:40,758 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:21:40,778 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:21:40,779 INFO L340 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2021-11-07 02:21:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand has 2417 states, 2352 states have (on average 1.4136904761904763) internal successors, (3325), 2416 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:40,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-07 02:21:40,886 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:40,887 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:40,888 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-07 02:21:40,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:40,897 INFO L85 PathProgramCache]: Analyzing trace with hash -938316165, now seen corresponding path program 1 times [2021-11-07 02:21:40,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:40,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674850692] [2021-11-07 02:21:40,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:40,928 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:40,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:40,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:40,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:21:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:46,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 02:21:46,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:46,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:46,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:46,700 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:46,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674850692] [2021-11-07 02:21:46,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674850692] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:46,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:46,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 02:21:46,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275859504] [2021-11-07 02:21:46,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:21:46,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:46,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:21:46,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:21:46,737 INFO L87 Difference]: Start difference. First operand has 2417 states, 2352 states have (on average 1.4136904761904763) internal successors, (3325), 2416 states have internal predecessors, (3325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:46,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:46,894 INFO L93 Difference]: Finished difference Result 4828 states and 6643 transitions. [2021-11-07 02:21:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:21:46,895 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-07 02:21:46,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:46,933 INFO L225 Difference]: With dead ends: 4828 [2021-11-07 02:21:46,934 INFO L226 Difference]: Without dead ends: 2412 [2021-11-07 02:21:46,944 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:21:46,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2021-11-07 02:21:47,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2412. [2021-11-07 02:21:47,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 2348 states have (on average 1.3283645655877343) internal successors, (3119), 2411 states have internal predecessors, (3119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:47,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 3119 transitions. [2021-11-07 02:21:47,137 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 3119 transitions. Word has length 68 [2021-11-07 02:21:47,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:47,138 INFO L470 AbstractCegarLoop]: Abstraction has 2412 states and 3119 transitions. [2021-11-07 02:21:47,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:47,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 3119 transitions. [2021-11-07 02:21:47,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-07 02:21:47,154 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:47,155 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:47,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:47,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:21:47,368 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-07 02:21:47,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:47,369 INFO L85 PathProgramCache]: Analyzing trace with hash -438718995, now seen corresponding path program 1 times [2021-11-07 02:21:47,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:47,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2011985284] [2021-11-07 02:21:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:47,384 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:47,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:47,386 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:47,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:21:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:51,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:21:51,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:52,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:52,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:52,865 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:52,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2011985284] [2021-11-07 02:21:52,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2011985284] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:52,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:52,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-07 02:21:52,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015980909] [2021-11-07 02:21:52,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:21:52,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:52,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:21:52,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:21:52,870 INFO L87 Difference]: Start difference. First operand 2412 states and 3119 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:53,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:21:53,390 INFO L93 Difference]: Finished difference Result 4744 states and 6133 transitions. [2021-11-07 02:21:53,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:21:53,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-07 02:21:53,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:21:53,408 INFO L225 Difference]: With dead ends: 4744 [2021-11-07 02:21:53,408 INFO L226 Difference]: Without dead ends: 2412 [2021-11-07 02:21:53,412 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:21:53,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2021-11-07 02:21:53,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2412. [2021-11-07 02:21:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 2348 states have (on average 1.3270868824531517) internal successors, (3116), 2411 states have internal predecessors, (3116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 3116 transitions. [2021-11-07 02:21:53,507 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 3116 transitions. Word has length 68 [2021-11-07 02:21:53,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:21:53,508 INFO L470 AbstractCegarLoop]: Abstraction has 2412 states and 3116 transitions. [2021-11-07 02:21:53,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:21:53,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 3116 transitions. [2021-11-07 02:21:53,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-07 02:21:53,510 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:21:53,510 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:21:53,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:21:53,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:21:53,731 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-07 02:21:53,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:21:53,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1398884469, now seen corresponding path program 1 times [2021-11-07 02:21:53,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:21:53,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116967224] [2021-11-07 02:21:53,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:21:53,747 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:21:53,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:21:53,748 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:21:53,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:21:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:21:58,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 1662 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 02:21:58,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:21:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:58,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:21:59,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:21:59,042 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:21:59,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116967224] [2021-11-07 02:21:59,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116967224] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:21:59,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:21:59,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-07 02:21:59,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069674796] [2021-11-07 02:21:59,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:21:59,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:21:59,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:21:59,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:21:59,045 INFO L87 Difference]: Start difference. First operand 2412 states and 3116 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:12,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:12,236 INFO L93 Difference]: Finished difference Result 6614 states and 8486 transitions. [2021-11-07 02:22:12,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:22:12,237 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-07 02:22:12,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:12,268 INFO L225 Difference]: With dead ends: 6614 [2021-11-07 02:22:12,268 INFO L226 Difference]: Without dead ends: 4250 [2021-11-07 02:22:12,273 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-11-07 02:22:12,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4250 states. [2021-11-07 02:22:12,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4250 to 2412. [2021-11-07 02:22:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 2348 states have (on average 1.325809199318569) internal successors, (3113), 2411 states have internal predecessors, (3113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:12,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 3113 transitions. [2021-11-07 02:22:12,407 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 3113 transitions. Word has length 76 [2021-11-07 02:22:12,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:12,408 INFO L470 AbstractCegarLoop]: Abstraction has 2412 states and 3113 transitions. [2021-11-07 02:22:12,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:12,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 3113 transitions. [2021-11-07 02:22:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-07 02:22:12,410 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:12,410 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:12,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:12,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:12,636 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-07 02:22:12,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:12,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1863320387, now seen corresponding path program 1 times [2021-11-07 02:22:12,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:12,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1873658048] [2021-11-07 02:22:12,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:12,650 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:12,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:12,651 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:12,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:22:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:17,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 02:22:17,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:18,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:18,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:18,582 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:18,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1873658048] [2021-11-07 02:22:18,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1873658048] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:18,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:18,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:22:18,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502128388] [2021-11-07 02:22:18,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:22:18,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:18,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:22:18,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:22:18,586 INFO L87 Difference]: Start difference. First operand 2412 states and 3113 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:20,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:20,462 INFO L93 Difference]: Finished difference Result 6681 states and 8583 transitions. [2021-11-07 02:22:20,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:22:20,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2021-11-07 02:22:20,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:20,496 INFO L225 Difference]: With dead ends: 6681 [2021-11-07 02:22:20,496 INFO L226 Difference]: Without dead ends: 4348 [2021-11-07 02:22:20,502 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:22:20,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4348 states. [2021-11-07 02:22:20,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4348 to 2412. [2021-11-07 02:22:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 2348 states have (on average 1.3245315161839863) internal successors, (3110), 2411 states have internal predecessors, (3110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:20,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 3110 transitions. [2021-11-07 02:22:20,672 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 3110 transitions. Word has length 92 [2021-11-07 02:22:20,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:20,672 INFO L470 AbstractCegarLoop]: Abstraction has 2412 states and 3110 transitions. [2021-11-07 02:22:20,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:20,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 3110 transitions. [2021-11-07 02:22:20,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-07 02:22:20,675 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:20,675 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:20,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:20,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:20,888 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-07 02:22:20,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2019865383, now seen corresponding path program 1 times [2021-11-07 02:22:20,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:20,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963136281] [2021-11-07 02:22:20,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:20,894 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:20,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:20,895 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:20,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:22:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:25,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 1847 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 02:22:25,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:26,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:26,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:26,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:26,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963136281] [2021-11-07 02:22:26,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1963136281] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:26,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:26,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-07 02:22:26,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804075767] [2021-11-07 02:22:26,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 02:22:26,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:26,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 02:22:26,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:22:26,950 INFO L87 Difference]: Start difference. First operand 2412 states and 3110 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:36,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:36,946 INFO L93 Difference]: Finished difference Result 6697 states and 8601 transitions. [2021-11-07 02:22:36,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 02:22:36,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2021-11-07 02:22:36,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:36,973 INFO L225 Difference]: With dead ends: 6697 [2021-11-07 02:22:36,973 INFO L226 Difference]: Without dead ends: 4348 [2021-11-07 02:22:36,979 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:22:36,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4348 states. [2021-11-07 02:22:37,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4348 to 2412. [2021-11-07 02:22:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 2348 states have (on average 1.3232538330494037) internal successors, (3107), 2411 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:37,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 3107 transitions. [2021-11-07 02:22:37,116 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 3107 transitions. Word has length 116 [2021-11-07 02:22:37,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:37,117 INFO L470 AbstractCegarLoop]: Abstraction has 2412 states and 3107 transitions. [2021-11-07 02:22:37,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 3107 transitions. [2021-11-07 02:22:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-07 02:22:37,119 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:37,119 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:37,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:37,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:37,340 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-07 02:22:37,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:37,341 INFO L85 PathProgramCache]: Analyzing trace with hash 584501871, now seen corresponding path program 1 times [2021-11-07 02:22:37,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:37,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839135528] [2021-11-07 02:22:37,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:37,347 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:37,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:37,348 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:37,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-07 02:22:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:42,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 1965 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 02:22:42,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:43,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:43,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:43,600 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:43,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839135528] [2021-11-07 02:22:43,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839135528] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:43,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:43,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-07 02:22:43,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795969922] [2021-11-07 02:22:43,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 02:22:43,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:43,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 02:22:43,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-07 02:22:43,601 INFO L87 Difference]: Start difference. First operand 2412 states and 3107 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:45,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:22:45,581 INFO L93 Difference]: Finished difference Result 6893 states and 8857 transitions. [2021-11-07 02:22:45,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 02:22:45,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-11-07 02:22:45,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:22:45,605 INFO L225 Difference]: With dead ends: 6893 [2021-11-07 02:22:45,606 INFO L226 Difference]: Without dead ends: 4559 [2021-11-07 02:22:45,610 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 02:22:45,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4559 states. [2021-11-07 02:22:45,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4559 to 2484. [2021-11-07 02:22:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2484 states, 2420 states have (on average 1.3235537190082645) internal successors, (3203), 2483 states have internal predecessors, (3203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2484 states and 3203 transitions. [2021-11-07 02:22:45,756 INFO L78 Accepts]: Start accepts. Automaton has 2484 states and 3203 transitions. Word has length 132 [2021-11-07 02:22:45,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:22:45,757 INFO L470 AbstractCegarLoop]: Abstraction has 2484 states and 3203 transitions. [2021-11-07 02:22:45,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:22:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 3203 transitions. [2021-11-07 02:22:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-07 02:22:45,759 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:22:45,759 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:22:45,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-07 02:22:45,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:22:45,980 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-07 02:22:45,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:22:45,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1579195569, now seen corresponding path program 1 times [2021-11-07 02:22:45,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:22:45,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866194383] [2021-11-07 02:22:45,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:22:45,984 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:22:45,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:22:45,985 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:22:45,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-07 02:22:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:22:51,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 1968 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 02:22:51,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:22:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:52,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:22:53,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:22:53,248 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:22:53,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866194383] [2021-11-07 02:22:53,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866194383] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:22:53,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:22:53,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2021-11-07 02:22:53,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212874641] [2021-11-07 02:22:53,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 02:22:53,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:22:53,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 02:22:53,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-07 02:22:53,250 INFO L87 Difference]: Start difference. First operand 2484 states and 3203 transitions. Second operand has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:32:47,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:32:47,811 INFO L93 Difference]: Finished difference Result 6919 states and 8881 transitions. [2021-11-07 02:32:47,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 02:32:47,815 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-11-07 02:32:47,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:32:47,836 INFO L225 Difference]: With dead ends: 6919 [2021-11-07 02:32:47,836 INFO L226 Difference]: Without dead ends: 4510 [2021-11-07 02:32:47,840 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-11-07 02:32:47,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4510 states. [2021-11-07 02:32:47,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4510 to 2484. [2021-11-07 02:32:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2484 states, 2420 states have (on average 1.318595041322314) internal successors, (3191), 2483 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:32:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2484 states and 3191 transitions. [2021-11-07 02:32:48,001 INFO L78 Accepts]: Start accepts. Automaton has 2484 states and 3191 transitions. Word has length 132 [2021-11-07 02:32:48,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:32:48,001 INFO L470 AbstractCegarLoop]: Abstraction has 2484 states and 3191 transitions. [2021-11-07 02:32:48,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.875) internal successors, (135), 8 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:32:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 3191 transitions. [2021-11-07 02:32:48,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-07 02:32:48,003 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:32:48,004 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:32:48,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-07 02:32:48,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:32:48,220 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-07 02:32:48,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:32:48,221 INFO L85 PathProgramCache]: Analyzing trace with hash -131232723, now seen corresponding path program 1 times [2021-11-07 02:32:48,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:32:48,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [764087775] [2021-11-07 02:32:48,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:32:48,225 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:32:48,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:32:48,227 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:32:48,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4c849a-ee4f-4500-a0c3-c4e90613ed29/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-07 02:32:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:32:52,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 1964 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 02:32:52,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:32:54,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:32:54,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:32:54,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:32:54,798 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:32:54,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [764087775] [2021-11-07 02:32:54,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [764087775] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:32:54,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:32:54,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2021-11-07 02:32:54,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049431576] [2021-11-07 02:32:54,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 02:32:54,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:32:54,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 02:32:54,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-07 02:32:54,800 INFO L87 Difference]: Start difference. First operand 2484 states and 3191 transitions. Second operand has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)