./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:46:14,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:46:14,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:46:14,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:46:14,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:46:14,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:46:14,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:46:14,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:46:14,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:46:14,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:46:14,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:46:14,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:46:14,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:46:14,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:46:14,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:46:14,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:46:14,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:46:14,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:46:14,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:46:14,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:46:14,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:46:14,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:46:14,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:46:14,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:46:14,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:46:14,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:46:14,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:46:14,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:46:14,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:46:14,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:46:14,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:46:14,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:46:14,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:46:14,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:46:14,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:46:14,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:46:14,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:46:14,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:46:14,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:46:14,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:46:14,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:46:14,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:46:14,823 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:46:14,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:46:14,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:46:14,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:46:14,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:46:14,833 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:46:14,833 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:46:14,833 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:46:14,833 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:46:14,834 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:46:14,835 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:46:14,835 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:46:14,836 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:46:14,836 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:46:14,836 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:46:14,836 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:46:14,837 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:46:14,837 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:46:14,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:46:14,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:46:14,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:46:14,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:46:14,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:46:14,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:46:14,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:46:14,840 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:46:14,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:46:14,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:46:14,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:46:14,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:14,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:46:14,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:46:14,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:46:14,842 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:46:14,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:46:14,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:46:14,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:46:14,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:46:14,843 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_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f838ff631dd7d907eee223e4bc065b6ce71a3dd1969d0a88cef9ccdcf3b54d1 [2021-11-21 01:46:15,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:46:15,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:46:15,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:46:15,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:46:15,206 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:46:15,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2021-11-21 01:46:15,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/data/90c312589/20e923e663c94c42a22ae4f4af87fe05/FLAG8a6ac0987 [2021-11-21 01:46:16,264 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:46:16,271 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i [2021-11-21 01:46:16,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/data/90c312589/20e923e663c94c42a22ae4f4af87fe05/FLAG8a6ac0987 [2021-11-21 01:46:16,718 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/data/90c312589/20e923e663c94c42a22ae4f4af87fe05 [2021-11-21 01:46:16,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:46:16,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:46:16,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:16,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:46:16,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:46:16,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:16" (1/1) ... [2021-11-21 01:46:16,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@631e240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:16, skipping insertion in model container [2021-11-21 01:46:16,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:16" (1/1) ... [2021-11-21 01:46:16,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:46:16,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:46:17,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4493,4506] [2021-11-21 01:46:17,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4553,4566] [2021-11-21 01:46:18,653 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 01:46:18,755 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:18,756 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:18,756 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:18,757 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:18,758 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:18,772 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:18,773 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:18,775 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:18,776 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:18,777 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:18,779 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:18,779 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:18,780 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,279 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 01:46:19,280 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 01:46:19,282 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 01:46:19,283 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 01:46:19,285 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 01:46:19,286 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 01:46:19,287 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 01:46:19,289 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 01:46:19,289 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 01:46:19,290 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 01:46:19,495 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,496 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,502 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,511 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:46:19,612 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:46:19,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4493,4506] [2021-11-21 01:46:19,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/sv-benchmarks/c/aws-c-common/aws_array_list_swap_harness.i[4553,4566] [2021-11-21 01:46:19,681 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 01:46:19,701 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,701 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,702 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,703 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,713 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,714 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,715 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,716 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,717 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,718 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,718 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,719 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,770 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 01:46:19,771 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 01:46:19,772 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 01:46:19,773 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 01:46:19,775 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 01:46:19,777 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 01:46:19,778 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 01:46:19,782 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 01:46:19,783 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 01:46:19,783 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 01:46:19,850 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,858 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,860 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,865 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 01:46:19,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:46:20,276 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:46:20,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:20 WrapperNode [2021-11-21 01:46:20,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:20,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:46:20,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:46:20,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:46:20,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:20" (1/1) ... [2021-11-21 01:46:20,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:20" (1/1) ... [2021-11-21 01:46:20,573 INFO L137 Inliner]: procedures = 691, calls = 1682, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 649 [2021-11-21 01:46:20,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:46:20,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:46:20,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:46:20,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:46:20,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:20" (1/1) ... [2021-11-21 01:46:20,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:20" (1/1) ... [2021-11-21 01:46:20,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:20" (1/1) ... [2021-11-21 01:46:20,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:20" (1/1) ... [2021-11-21 01:46:20,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:20" (1/1) ... [2021-11-21 01:46:20,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:20" (1/1) ... [2021-11-21 01:46:20,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:20" (1/1) ... [2021-11-21 01:46:20,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:46:20,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:46:20,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:46:20,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:46:20,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:20" (1/1) ... [2021-11-21 01:46:20,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:20,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:20,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:46:20,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:46:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:46:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-21 01:46:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-21 01:46:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-21 01:46:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-21 01:46:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-21 01:46:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-21 01:46:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:46:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-21 01:46:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-21 01:46:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:46:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:46:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:46:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:46:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:46:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-21 01:46:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-21 01:46:20,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:46:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:46:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-21 01:46:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-21 01:46:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-21 01:46:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-21 01:46:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-21 01:46:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-21 01:46:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 01:46:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 01:46:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-21 01:46:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-21 01:46:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:46:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:46:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:46:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2021-11-21 01:46:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2021-11-21 01:46:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-21 01:46:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-21 01:46:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-21 01:46:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-21 01:46:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:46:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-21 01:46:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-21 01:46:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:46:21,216 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:46:21,219 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:46:22,861 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:46:23,021 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:46:23,021 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 01:46:23,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:23 BoogieIcfgContainer [2021-11-21 01:46:23,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:46:23,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:46:23,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:46:23,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:46:23,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:46:16" (1/3) ... [2021-11-21 01:46:23,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565c3335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:23, skipping insertion in model container [2021-11-21 01:46:23,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:20" (2/3) ... [2021-11-21 01:46:23,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565c3335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:23, skipping insertion in model container [2021-11-21 01:46:23,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:23" (3/3) ... [2021-11-21 01:46:23,041 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_swap_harness.i [2021-11-21 01:46:23,050 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:46:23,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:46:23,123 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:46:23,150 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:46:23,150 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:46:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 74 states have internal predecessors, (83), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2021-11-21 01:46:23,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 01:46:23,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:23,199 INFO L514 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:23,199 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:23,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:23,212 INFO L85 PathProgramCache]: Analyzing trace with hash -333435140, now seen corresponding path program 1 times [2021-11-21 01:46:23,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:23,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394493014] [2021-11-21 01:46:23,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:23,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-21 01:46:23,960 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:23,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394493014] [2021-11-21 01:46:23,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394493014] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:46:23,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809401596] [2021-11-21 01:46:23,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:23,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:23,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:23,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:23,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:46:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:24,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 1973 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:46:24,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 01:46:24,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:46:24,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809401596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:24,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:46:24,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-11-21 01:46:24,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741100392] [2021-11-21 01:46:24,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:24,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:46:24,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:24,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:46:24,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:46:24,958 INFO L87 Difference]: Start difference. First operand has 151 states, 73 states have (on average 1.1369863013698631) internal successors, (83), 74 states have internal predecessors, (83), 61 states have call successors, (61), 15 states have call predecessors, (61), 15 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-21 01:46:25,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:25,660 INFO L93 Difference]: Finished difference Result 273 states and 398 transitions. [2021-11-21 01:46:25,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:46:25,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 54 [2021-11-21 01:46:25,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:25,679 INFO L225 Difference]: With dead ends: 273 [2021-11-21 01:46:25,680 INFO L226 Difference]: Without dead ends: 151 [2021-11-21 01:46:25,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-21 01:46:25,696 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 31 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:25,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 596 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 01:46:25,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2021-11-21 01:46:25,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2021-11-21 01:46:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 73 states have (on average 1.1232876712328768) internal successors, (82), 75 states have internal predecessors, (82), 61 states have call successors, (61), 15 states have call predecessors, (61), 16 states have return successors, (68), 60 states have call predecessors, (68), 60 states have call successors, (68) [2021-11-21 01:46:25,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 211 transitions. [2021-11-21 01:46:25,814 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 211 transitions. Word has length 54 [2021-11-21 01:46:25,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:25,816 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 211 transitions. [2021-11-21 01:46:25,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-21 01:46:25,817 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2021-11-21 01:46:25,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 01:46:25,824 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:25,824 INFO L514 BasicCegarLoop]: trace histogram [5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:25,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:26,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:46:26,052 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:26,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:26,053 INFO L85 PathProgramCache]: Analyzing trace with hash 211094557, now seen corresponding path program 1 times [2021-11-21 01:46:26,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:26,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342428222] [2021-11-21 01:46:26,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:26,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:26,171 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:26,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [677653240] [2021-11-21 01:46:26,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:26,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:26,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:26,173 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:26,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:46:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:26,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 2083 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:46:26,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:26,873 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 01:46:26,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:46:26,874 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:26,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342428222] [2021-11-21 01:46:26,874 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:26,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677653240] [2021-11-21 01:46:26,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677653240] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:26,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:26,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-21 01:46:26,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054229757] [2021-11-21 01:46:26,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:26,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:46:26,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:26,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:46:26,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:46:26,878 INFO L87 Difference]: Start difference. First operand 151 states and 211 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-21 01:46:28,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:28,403 INFO L93 Difference]: Finished difference Result 278 states and 397 transitions. [2021-11-21 01:46:28,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:46:28,405 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 63 [2021-11-21 01:46:28,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:28,409 INFO L225 Difference]: With dead ends: 278 [2021-11-21 01:46:28,409 INFO L226 Difference]: Without dead ends: 161 [2021-11-21 01:46:28,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-21 01:46:28,412 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 36 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:28,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 919 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 01:46:28,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-11-21 01:46:28,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2021-11-21 01:46:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 77 states have (on average 1.1168831168831168) internal successors, (86), 79 states have internal predecessors, (86), 66 states have call successors, (66), 16 states have call predecessors, (66), 17 states have return successors, (73), 65 states have call predecessors, (73), 65 states have call successors, (73) [2021-11-21 01:46:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 225 transitions. [2021-11-21 01:46:28,440 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 225 transitions. Word has length 63 [2021-11-21 01:46:28,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:28,441 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 225 transitions. [2021-11-21 01:46:28,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-21 01:46:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2021-11-21 01:46:28,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 01:46:28,445 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:28,445 INFO L514 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:28,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:28,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:28,661 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:46:28,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:28,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1014181917, now seen corresponding path program 1 times [2021-11-21 01:46:28,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:28,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281154418] [2021-11-21 01:46:28,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:28,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:28,761 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:28,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [811611872] [2021-11-21 01:46:28,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:28,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:28,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:28,775 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:28,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c076d5-ceff-4923-8daf-8f52726fa5e9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:46:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:29,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 2303 conjuncts, 253 conjunts are in the unsatisfiable core [2021-11-21 01:46:29,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:29,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 01:46:30,620 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-11-21 01:46:30,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 29 [2021-11-21 01:46:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:46:36,354 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-11-21 01:46:36,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 113 treesize of output 115 [2021-11-21 01:46:36,447 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-21 01:46:36,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 116 treesize of output 113 [2021-11-21 01:46:41,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 76 [2021-11-21 01:46:41,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 70 [2021-11-21 01:47:09,993 INFO L354 Elim1Store]: treesize reduction 418, result has 7.9 percent of original size [2021-11-21 01:47:09,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 211 treesize of output 223 [2021-11-21 01:47:10,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:10,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:10,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:10,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:10,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:10,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:47:14,746 INFO L354 Elim1Store]: treesize reduction 403, result has 23.7 percent of original size [2021-11-21 01:47:14,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 49 case distinctions, treesize of input 199 treesize of output 313