./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/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_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/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_27df2ac5-fc15-47a7-8419-f2432207d03f/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_27df2ac5-fc15-47a7-8419-f2432207d03f/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 d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:12:01,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:12:01,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:12:01,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:12:01,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:12:01,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:12:01,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:12:01,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:12:01,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:12:01,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:12:01,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:12:01,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:12:01,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:12:01,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:12:01,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:12:01,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:12:01,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:12:01,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:12:01,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:12:01,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:12:01,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:12:01,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:12:01,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:12:01,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:12:01,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:12:01,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:12:01,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:12:01,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:12:01,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:12:01,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:12:01,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:12:01,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:12:01,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:12:01,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:12:01,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:12:01,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:12:01,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:12:01,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:12:01,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:12:01,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:12:01,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:12:01,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:12:01,801 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:12:01,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:12:01,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:12:01,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:12:01,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:12:01,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:12:01,813 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:12:01,813 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:12:01,814 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:12:01,814 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:12:01,815 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:12:01,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:12:01,816 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:12:01,816 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:12:01,817 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:12:01,817 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:12:01,817 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:12:01,818 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:12:01,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:12:01,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:12:01,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:12:01,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:12:01,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:12:01,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:12:01,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:12:01,821 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:12:01,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:12:01,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:12:01,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:12:01,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:12:01,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:12:01,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:12:01,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:12:01,823 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:12:01,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:12:01,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:12:01,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:12:01,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:12:01,835 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_27df2ac5-fc15-47a7-8419-f2432207d03f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8b9169d0d63d8238da177db4999afabb0efa6e97e1e7cd257e8474f76788f17 [2021-11-21 00:12:02,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:12:02,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:12:02,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:12:02,237 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:12:02,238 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:12:02,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2021-11-21 00:12:02,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/data/f2c06ab65/14b05504c9f5434db3e77b217a2f7d58/FLAG4ba7a57ca [2021-11-21 00:12:03,234 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:12:03,235 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2021-11-21 00:12:03,276 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/data/f2c06ab65/14b05504c9f5434db3e77b217a2f7d58/FLAG4ba7a57ca [2021-11-21 00:12:03,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/data/f2c06ab65/14b05504c9f5434db3e77b217a2f7d58 [2021-11-21 00:12:03,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:12:03,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:12:03,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:12:03,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:12:03,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:12:03,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:12:03" (1/1) ... [2021-11-21 00:12:03,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b76d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:03, skipping insertion in model container [2021-11-21 00:12:03,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:12:03" (1/1) ... [2021-11-21 00:12:03,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:12:03,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:12:04,228 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_27df2ac5-fc15-47a7-8419-f2432207d03f/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2021-11-21 00:12:04,244 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_27df2ac5-fc15-47a7-8419-f2432207d03f/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2021-11-21 00:12:05,260 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,261 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,262 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,263 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,265 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,282 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,283 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,285 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,286 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,288 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,290 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,291 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,291 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,699 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 00:12:05,700 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 00:12:05,701 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 00:12:05,703 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 00:12:05,705 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 00:12:05,705 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 00:12:05,706 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 00:12:05,707 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 00:12:05,708 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 00:12:05,708 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 00:12:05,919 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 00:12:05,954 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:05,966 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,078 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,080 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,080 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,081 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,081 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,084 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,085 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,086 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,086 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,087 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,087 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,088 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,088 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,096 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,097 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,098 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,098 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,114 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,114 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,126 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,131 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,132 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:12:06,222 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:12:06,251 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_27df2ac5-fc15-47a7-8419-f2432207d03f/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2021-11-21 00:12:06,255 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_27df2ac5-fc15-47a7-8419-f2432207d03f/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2021-11-21 00:12:06,339 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,340 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,340 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,342 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,343 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,363 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,363 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,365 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,365 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,366 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,367 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,367 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,367 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,426 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-21 00:12:06,428 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-21 00:12:06,428 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-21 00:12:06,429 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-21 00:12:06,434 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-21 00:12:06,435 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-21 00:12:06,437 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-21 00:12:06,438 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-21 00:12:06,438 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-21 00:12:06,439 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-21 00:12:06,484 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-21 00:12:06,501 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,506 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,533 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,534 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,534 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,534 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,535 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,535 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,536 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,536 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,536 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,537 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,537 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,537 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,538 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,539 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,542 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,548 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,549 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,549 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-21 00:12:06,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:12:06,903 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:12:06,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:06 WrapperNode [2021-11-21 00:12:06,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:12:06,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:12:06,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:12:06,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:12:06,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:06" (1/1) ... [2021-11-21 00:12:07,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:06" (1/1) ... [2021-11-21 00:12:07,182 INFO L137 Inliner]: procedures = 697, calls = 1879, calls flagged for inlining = 60, calls inlined = 19, statements flattened = 1163 [2021-11-21 00:12:07,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:12:07,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:12:07,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:12:07,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:12:07,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:06" (1/1) ... [2021-11-21 00:12:07,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:06" (1/1) ... [2021-11-21 00:12:07,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:06" (1/1) ... [2021-11-21 00:12:07,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:06" (1/1) ... [2021-11-21 00:12:07,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:06" (1/1) ... [2021-11-21 00:12:07,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:06" (1/1) ... [2021-11-21 00:12:07,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:06" (1/1) ... [2021-11-21 00:12:07,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:12:07,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:12:07,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:12:07,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:12:07,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:06" (1/1) ... [2021-11-21 00:12:07,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:12:07,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:12:07,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:12:07,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:12:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2021-11-21 00:12:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2021-11-21 00:12:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2021-11-21 00:12:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2021-11-21 00:12:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2021-11-21 00:12:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2021-11-21 00:12:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:12:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2021-11-21 00:12:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2021-11-21 00:12:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2021-11-21 00:12:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2021-11-21 00:12:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-21 00:12:07,520 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-21 00:12:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2021-11-21 00:12:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2021-11-21 00:12:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2021-11-21 00:12:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2021-11-21 00:12:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:12:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2021-11-21 00:12:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2021-11-21 00:12:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:12:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:12:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:12:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:12:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:12:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2021-11-21 00:12:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2021-11-21 00:12:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-21 00:12:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-21 00:12:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:12:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:12:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-21 00:12:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-21 00:12:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2021-11-21 00:12:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2021-11-21 00:12:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2021-11-21 00:12:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2021-11-21 00:12:07,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2021-11-21 00:12:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2021-11-21 00:12:07,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-11-21 00:12:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-11-21 00:12:07,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2021-11-21 00:12:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2021-11-21 00:12:07,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:12:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:12:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 00:12:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 00:12:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-21 00:12:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-21 00:12:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2021-11-21 00:12:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2021-11-21 00:12:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2021-11-21 00:12:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2021-11-21 00:12:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:12:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2021-11-21 00:12:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2021-11-21 00:12:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:12:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:12:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2021-11-21 00:12:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2021-11-21 00:12:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-21 00:12:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-21 00:12:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2021-11-21 00:12:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2021-11-21 00:12:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2021-11-21 00:12:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2021-11-21 00:12:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:12:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2021-11-21 00:12:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2021-11-21 00:12:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2021-11-21 00:12:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2021-11-21 00:12:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2021-11-21 00:12:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2021-11-21 00:12:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:12:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:12:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:12:08,085 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:12:08,089 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:12:09,965 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:12:10,303 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:12:10,303 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-21 00:12:10,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:12:10 BoogieIcfgContainer [2021-11-21 00:12:10,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:12:10,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:12:10,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:12:10,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:12:10,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:12:03" (1/3) ... [2021-11-21 00:12:10,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e2315b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:12:10, skipping insertion in model container [2021-11-21 00:12:10,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:12:06" (2/3) ... [2021-11-21 00:12:10,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e2315b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:12:10, skipping insertion in model container [2021-11-21 00:12:10,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:12:10" (3/3) ... [2021-11-21 00:12:10,329 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness.i [2021-11-21 00:12:10,339 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:12:10,339 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-21 00:12:10,415 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:12:10,432 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 00:12:10,433 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-21 00:12:10,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 463 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2021-11-21 00:12:10,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-21 00:12:10,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:10,502 INFO L514 BasicCegarLoop]: trace histogram [13, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:12:10,503 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:12:10,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:10,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1487189260, now seen corresponding path program 1 times [2021-11-21 00:12:10,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:10,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320174089] [2021-11-21 00:12:10,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:10,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-11-21 00:12:11,323 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:11,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320174089] [2021-11-21 00:12:11,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320174089] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:12:11,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138653059] [2021-11-21 00:12:11,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:11,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:12:11,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:12:11,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:12:11,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:12:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:12,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 2342 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:12:12,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:12:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-21 00:12:12,545 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:12:12,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138653059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:12:12,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 00:12:12,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2021-11-21 00:12:12,550 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073077022] [2021-11-21 00:12:12,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:12:12,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:12:12,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:12:12,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:12:12,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:12:12,604 INFO L87 Difference]: Start difference. First operand has 463 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-21 00:12:13,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:12:13,484 INFO L93 Difference]: Finished difference Result 899 states and 1372 transitions. [2021-11-21 00:12:13,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:12:13,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 125 [2021-11-21 00:12:13,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:12:13,509 INFO L225 Difference]: With dead ends: 899 [2021-11-21 00:12:13,510 INFO L226 Difference]: Without dead ends: 462 [2021-11-21 00:12:13,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-21 00:12:13,529 INFO L933 BasicCegarLoop]: 599 mSDtfsCounter, 54 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 2288 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:12:13,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 2288 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-21 00:12:13,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-21 00:12:13,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2021-11-21 00:12:13,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 232 states have (on average 1.1896551724137931) internal successors, (276), 235 states have internal predecessors, (276), 196 states have call successors, (196), 32 states have call predecessors, (196), 32 states have return successors, (204), 194 states have call predecessors, (204), 194 states have call successors, (204) [2021-11-21 00:12:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 676 transitions. [2021-11-21 00:12:13,679 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 676 transitions. Word has length 125 [2021-11-21 00:12:13,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:12:13,681 INFO L470 AbstractCegarLoop]: Abstraction has 462 states and 676 transitions. [2021-11-21 00:12:13,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-21 00:12:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 676 transitions. [2021-11-21 00:12:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-21 00:12:13,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:13,702 INFO L514 BasicCegarLoop]: trace histogram [13, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:12:13,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:12:13,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:12:13,917 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:12:13,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:13,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1478425539, now seen corresponding path program 1 times [2021-11-21 00:12:13,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:13,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409270701] [2021-11-21 00:12:13,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:13,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-21 00:12:14,451 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:14,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409270701] [2021-11-21 00:12:14,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409270701] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:12:14,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712939639] [2021-11-21 00:12:14,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:14,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:12:14,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:12:14,453 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:12:14,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:12:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:15,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 2392 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:12:15,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:12:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-21 00:12:15,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:12:15,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712939639] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:12:15,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 00:12:15,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2021-11-21 00:12:15,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129335367] [2021-11-21 00:12:15,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:12:15,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 00:12:15,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:12:15,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 00:12:15,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-11-21 00:12:15,571 INFO L87 Difference]: Start difference. First operand 462 states and 676 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-21 00:12:16,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:12:16,898 INFO L93 Difference]: Finished difference Result 909 states and 1372 transitions. [2021-11-21 00:12:16,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:12:16,899 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 133 [2021-11-21 00:12:16,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:12:16,906 INFO L225 Difference]: With dead ends: 909 [2021-11-21 00:12:16,907 INFO L226 Difference]: Without dead ends: 475 [2021-11-21 00:12:16,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-11-21 00:12:16,912 INFO L933 BasicCegarLoop]: 566 mSDtfsCounter, 73 mSDsluCounter, 2885 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 3227 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:12:16,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 3227 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 00:12:16,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2021-11-21 00:12:16,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 473. [2021-11-21 00:12:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2021-11-21 00:12:16,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 722 transitions. [2021-11-21 00:12:16,970 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 722 transitions. Word has length 133 [2021-11-21 00:12:16,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:12:16,971 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 722 transitions. [2021-11-21 00:12:16,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-21 00:12:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 722 transitions. [2021-11-21 00:12:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-21 00:12:16,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:16,975 INFO L514 BasicCegarLoop]: trace histogram [13, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:12:17,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:12:17,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-21 00:12:17,201 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:12:17,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:17,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1560887880, now seen corresponding path program 1 times [2021-11-21 00:12:17,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:17,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466319843] [2021-11-21 00:12:17,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:17,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:17,289 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:12:17,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623738292] [2021-11-21 00:12:17,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:17,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:12:17,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:12:17,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:12:17,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:12:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:17,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 2502 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:12:17,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:12:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-21 00:12:18,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:12:18,300 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:18,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466319843] [2021-11-21 00:12:18,301 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:12:18,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623738292] [2021-11-21 00:12:18,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623738292] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:12:18,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:12:18,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 00:12:18,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203630626] [2021-11-21 00:12:18,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:12:18,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:12:18,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:12:18,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:12:18,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:12:18,305 INFO L87 Difference]: Start difference. First operand 473 states and 722 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-21 00:12:19,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:12:19,226 INFO L93 Difference]: Finished difference Result 926 states and 1442 transitions. [2021-11-21 00:12:19,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:12:19,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 142 [2021-11-21 00:12:19,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:12:19,233 INFO L225 Difference]: With dead ends: 926 [2021-11-21 00:12:19,233 INFO L226 Difference]: Without dead ends: 481 [2021-11-21 00:12:19,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-21 00:12:19,238 INFO L933 BasicCegarLoop]: 597 mSDtfsCounter, 65 mSDsluCounter, 2437 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 2856 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:12:19,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 2856 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-21 00:12:19,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2021-11-21 00:12:19,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 473. [2021-11-21 00:12:19,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2021-11-21 00:12:19,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 722 transitions. [2021-11-21 00:12:19,297 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 722 transitions. Word has length 142 [2021-11-21 00:12:19,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:12:19,297 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 722 transitions. [2021-11-21 00:12:19,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-21 00:12:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 722 transitions. [2021-11-21 00:12:19,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-21 00:12:19,301 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:19,302 INFO L514 BasicCegarLoop]: trace histogram [13, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:12:19,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:12:19,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-21 00:12:19,528 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:12:19,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:19,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1711836850, now seen corresponding path program 1 times [2021-11-21 00:12:19,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:19,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527791611] [2021-11-21 00:12:19,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:19,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:19,610 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:12:19,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [10769729] [2021-11-21 00:12:19,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:19,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:12:19,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:12:19,612 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:12:19,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:12:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:20,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 2556 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 00:12:20,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:12:20,678 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-21 00:12:20,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:12:20,679 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:20,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527791611] [2021-11-21 00:12:20,680 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:12:20,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10769729] [2021-11-21 00:12:20,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10769729] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:12:20,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:12:20,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-21 00:12:20,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157589748] [2021-11-21 00:12:20,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:12:20,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 00:12:20,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:12:20,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 00:12:20,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:12:20,683 INFO L87 Difference]: Start difference. First operand 473 states and 722 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2021-11-21 00:12:22,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:12:22,124 INFO L93 Difference]: Finished difference Result 928 states and 1437 transitions. [2021-11-21 00:12:22,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-21 00:12:22,125 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 150 [2021-11-21 00:12:22,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:12:22,131 INFO L225 Difference]: With dead ends: 928 [2021-11-21 00:12:22,131 INFO L226 Difference]: Without dead ends: 483 [2021-11-21 00:12:22,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:12:22,137 INFO L933 BasicCegarLoop]: 565 mSDtfsCounter, 88 mSDsluCounter, 3466 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 3765 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:12:22,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 3765 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 00:12:22,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2021-11-21 00:12:22,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 473. [2021-11-21 00:12:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (238), 197 states have call predecessors, (238), 196 states have call successors, (238) [2021-11-21 00:12:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 722 transitions. [2021-11-21 00:12:22,189 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 722 transitions. Word has length 150 [2021-11-21 00:12:22,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:12:22,190 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 722 transitions. [2021-11-21 00:12:22,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2021-11-21 00:12:22,191 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 722 transitions. [2021-11-21 00:12:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-21 00:12:22,195 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:22,195 INFO L514 BasicCegarLoop]: trace histogram [13, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:12:22,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:12:22,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:12:22,417 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:12:22,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:22,418 INFO L85 PathProgramCache]: Analyzing trace with hash -222945581, now seen corresponding path program 2 times [2021-11-21 00:12:22,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:22,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094870743] [2021-11-21 00:12:22,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:22,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:22,506 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:12:22,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [522067070] [2021-11-21 00:12:22,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-21 00:12:22,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:12:22,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:12:22,508 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:12:22,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 00:12:23,102 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-21 00:12:23,102 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:12:23,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 00:12:23,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:12:23,451 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-11-21 00:12:23,451 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:12:23,451 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:23,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094870743] [2021-11-21 00:12:23,451 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:12:23,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522067070] [2021-11-21 00:12:23,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522067070] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:12:23,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:12:23,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:12:23,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555913098] [2021-11-21 00:12:23,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:12:23,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:12:23,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:12:23,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:12:23,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:12:23,453 INFO L87 Difference]: Start difference. First operand 473 states and 722 transitions. Second operand has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-21 00:12:24,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:12:24,334 INFO L93 Difference]: Finished difference Result 897 states and 1385 transitions. [2021-11-21 00:12:24,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:12:24,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 159 [2021-11-21 00:12:24,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:12:24,341 INFO L225 Difference]: With dead ends: 897 [2021-11-21 00:12:24,341 INFO L226 Difference]: Without dead ends: 473 [2021-11-21 00:12:24,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:12:24,346 INFO L933 BasicCegarLoop]: 572 mSDtfsCounter, 0 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2242 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:12:24,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2242 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-21 00:12:24,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2021-11-21 00:12:24,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2021-11-21 00:12:24,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 198 states have call successors, (198), 32 states have call predecessors, (198), 33 states have return successors, (237), 197 states have call predecessors, (237), 196 states have call successors, (237) [2021-11-21 00:12:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 721 transitions. [2021-11-21 00:12:24,386 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 721 transitions. Word has length 159 [2021-11-21 00:12:24,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:12:24,388 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 721 transitions. [2021-11-21 00:12:24,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-21 00:12:24,388 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 721 transitions. [2021-11-21 00:12:24,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-21 00:12:24,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:24,392 INFO L514 BasicCegarLoop]: trace histogram [13, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:12:24,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 00:12:24,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:12:24,611 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:12:24,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:24,612 INFO L85 PathProgramCache]: Analyzing trace with hash -235322380, now seen corresponding path program 3 times [2021-11-21 00:12:24,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:24,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198289541] [2021-11-21 00:12:24,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:24,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:24,720 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:12:24,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [457098428] [2021-11-21 00:12:24,720 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-21 00:12:24,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:12:24,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:12:24,722 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:12:24,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27df2ac5-fc15-47a7-8419-f2432207d03f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 00:12:25,110 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-21 00:12:25,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:12:25,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 00:12:25,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:12:25,719 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-21 00:12:25,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:12:26,420 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2021-11-21 00:12:26,420 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:26,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198289541] [2021-11-21 00:12:26,420 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:12:26,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457098428] [2021-11-21 00:12:26,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457098428] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:12:26,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [943838968] [2021-11-21 00:12:26,459 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2021-11-21 00:12:26,459 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:12:26,466 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:12:26,473 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:12:26,475 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:12:32,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:12:32,845 INFO L244 Elim1Store]: Index analysis took 476 ms [2021-11-21 00:12:53,017 WARN L227 SmtUtils]: Spent 20.07s on a formula simplification. DAG size of input: 1767 DAG size of output: 1175 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:12:53,027 INFO L354 Elim1Store]: treesize reduction 1968, result has 47.2 percent of original size [2021-11-21 00:12:53,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19308 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2358 [2021-11-21 00:13:17,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:13:18,367 INFO L244 Elim1Store]: Index analysis took 826 ms [2021-11-21 00:13:52,748 WARN L227 SmtUtils]: Spent 34.31s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:13:52,751 INFO L354 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2021-11-21 00:13:52,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2021-11-21 00:14:36,260 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 00:14:36,370 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 00:14:37,212 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 00:14:43,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:43,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-21 00:14:43,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:43,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-21 00:14:43,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:43,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:43,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:43,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-21 00:14:43,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:14:45,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:45,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-21 00:14:45,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:45,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-21 00:14:45,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:45,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-21 00:14:46,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:46,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-21 00:14:46,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:46,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-21 00:14:47,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:47,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-21 00:14:47,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:14:47,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:47,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:47,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:47,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-21 00:14:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:47,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:47,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:47,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-11-21 00:14:47,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:47,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:47,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-21 00:14:48,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2021-11-21 00:14:48,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 00:14:48,653 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 25 treesize of output 24 [2021-11-21 00:14:48,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 24 treesize of output 21 [2021-11-21 00:14:48,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:14:48,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:14:48,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 00:14:48,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:14:49,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-21 00:14:49,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-21 00:14:49,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:49,101 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:14:49,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-21 00:14:49,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-21 00:14:49,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:14:49,315 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:14:49,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2021-11-21 00:14:49,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-21 00:14:49,450 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 50 treesize of output 49 [2021-11-21 00:14:50,509 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 7 treesize of output 3 [2021-11-21 00:14:50,514 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 7 treesize of output 3 [2021-11-21 00:14:50,521 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 8 treesize of output 4 [2021-11-21 00:14:50,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:14:50,579 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 8 treesize of output 4 [2021-11-21 00:14:50,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:14:50,589 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 7 treesize of output 3 [2021-11-21 00:14:50,596 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 7 treesize of output 3 [2021-11-21 00:14:52,797 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-21 00:14:54,424 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-11-21 00:15:45,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:45,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:45,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:45,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 00:15:45,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:45,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:45,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:45,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 00:15:45,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:45,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-21 00:15:46,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:46,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:46,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:46,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 00:15:46,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:46,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:46,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:46,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 00:15:46,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:46,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-21 00:15:54,794 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 00:15:55,215 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 194 [2021-11-21 00:15:55,370 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 81 for LOIs [2021-11-21 00:15:57,069 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 114 for LOIs [2021-11-21 00:16:01,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:01,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:01,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:01,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 00:16:01,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:01,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:01,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:01,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 00:16:01,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:01,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-21 00:16:02,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:02,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-21 00:16:02,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:02,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:02,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:02,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 00:16:02,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:02,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:02,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 00:16:08,198 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-21 00:16:09,672 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-21 00:23:09,666 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 7 [2021-11-21 00:23:11,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:11,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:11,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:11,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 00:23:11,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:11,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:11,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2021-11-21 00:23:11,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:11,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-21 00:23:11,932 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 129 for LOIs [2021-11-21 00:23:16,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 389 treesize of output 388 [2021-11-21 00:23:16,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 388 treesize of output 383 [2021-11-21 00:23:30,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 389 treesize of output 388 [2021-11-21 00:23:30,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 388 treesize of output 383 [2021-11-21 00:23:46,696 INFO L354 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2021-11-21 00:23:46,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 314 treesize of output 335 [2021-11-21 00:25:14,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 389 treesize of output 388 [2021-11-21 00:25:14,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 388 treesize of output 383