./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW --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 355537246d5dfb9690a92cc5d0cbf014736bcc62122f38f5559ea0fbf5331d1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:05:41,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:05:41,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:05:41,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:05:41,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:05:41,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:05:41,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:05:41,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:05:41,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:05:41,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:05:41,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:05:41,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:05:41,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:05:41,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:05:41,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:05:41,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:05:41,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:05:41,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:05:41,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:05:41,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:05:41,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:05:41,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:05:41,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:05:41,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:05:41,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:05:41,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:05:41,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:05:41,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:05:41,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:05:41,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:05:41,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:05:41,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:05:41,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:05:41,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:05:41,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:05:41,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:05:41,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:05:41,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:05:41,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:05:41,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:05:41,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:05:41,588 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:05:41,617 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:05:41,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:05:41,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:05:41,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:05:41,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:05:41,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:05:41,620 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:05:41,620 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:05:41,621 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:05:41,621 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:05:41,621 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:05:41,621 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:05:41,622 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:05:41,622 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:05:41,622 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:05:41,622 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:05:41,623 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:05:41,623 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:05:41,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:05:41,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:05:41,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:05:41,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:05:41,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:05:41,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:05:41,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:05:41,626 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:05:41,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:05:41,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:05:41,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:05:41,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:05:41,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:05:41,627 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:05:41,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:05:41,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:05:41,628 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:05:41,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:05:41,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:05:41,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:05:41,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355537246d5dfb9690a92cc5d0cbf014736bcc62122f38f5559ea0fbf5331d1c [2022-11-23 15:05:41,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:05:41,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:05:41,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:05:41,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:05:41,905 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:05:41,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2022-11-23 15:05:45,220 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:05:45,875 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:05:45,876 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2022-11-23 15:05:45,922 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/data/cb067ebf8/450f65484b68456fb4f9782788642b12/FLAGaa0423df3 [2022-11-23 15:05:45,943 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/data/cb067ebf8/450f65484b68456fb4f9782788642b12 [2022-11-23 15:05:45,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:05:45,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:05:45,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:05:45,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:05:45,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:05:45,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:45" (1/1) ... [2022-11-23 15:05:45,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccd8fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:45, skipping insertion in model container [2022-11-23 15:05:45,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:45" (1/1) ... [2022-11-23 15:05:45,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:05:46,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:05:46,352 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2022-11-23 15:05:46,361 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2022-11-23 15:05:47,527 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:47,531 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:47,532 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:47,535 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:47,537 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:47,576 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:47,577 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:47,579 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:47,580 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:47,582 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:47,583 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:47,584 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:47,584 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,016 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 15:05:48,020 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 15:05:48,023 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 15:05:48,026 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 15:05:48,028 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 15:05:48,029 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 15:05:48,031 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 15:05:48,032 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 15:05:48,042 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 15:05:48,043 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 15:05:48,243 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 15:05:48,294 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,301 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,308 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,331 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,411 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,412 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,413 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,413 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,414 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,414 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,415 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,416 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,416 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,417 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,417 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,418 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,418 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,422 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,422 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,423 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,423 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,427 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,428 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,437 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,438 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,438 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:05:48,485 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:05:48,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4506,4519] [2022-11-23 15:05:48,500 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i[4566,4579] [2022-11-23 15:05:48,534 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,534 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,535 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,535 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,536 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,542 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,543 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,544 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,545 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,546 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,547 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,547 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,547 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,585 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 15:05:48,586 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 15:05:48,587 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 15:05:48,588 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 15:05:48,589 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 15:05:48,590 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 15:05:48,590 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 15:05:48,591 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 15:05:48,592 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 15:05:48,592 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 15:05:48,622 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 15:05:48,649 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,659 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,661 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,666 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,715 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,718 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,719 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,719 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,720 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,720 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,721 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,722 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,722 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,723 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,723 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,724 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,725 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,725 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,726 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,726 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,727 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,730 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,731 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,744 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,744 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,745 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:05:48,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:05:49,016 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:05:49,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49 WrapperNode [2022-11-23 15:05:49,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:05:49,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:05:49,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:05:49,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:05:49,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49" (1/1) ... [2022-11-23 15:05:49,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49" (1/1) ... [2022-11-23 15:05:49,215 INFO L138 Inliner]: procedures = 697, calls = 1886, calls flagged for inlining = 60, calls inlined = 15, statements flattened = 918 [2022-11-23 15:05:49,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:05:49,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:05:49,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:05:49,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:05:49,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49" (1/1) ... [2022-11-23 15:05:49,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49" (1/1) ... [2022-11-23 15:05:49,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49" (1/1) ... [2022-11-23 15:05:49,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49" (1/1) ... [2022-11-23 15:05:49,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49" (1/1) ... [2022-11-23 15:05:49,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49" (1/1) ... [2022-11-23 15:05:49,329 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49" (1/1) ... [2022-11-23 15:05:49,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49" (1/1) ... [2022-11-23 15:05:49,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:05:49,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:05:49,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:05:49,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:05:49,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49" (1/1) ... [2022-11-23 15:05:49,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:05:49,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:05:49,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:05:49,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:05:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_either [2022-11-23 15:05:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_either [2022-11-23 15:05:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-23 15:05:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-23 15:05:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-23 15:05:49,436 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-23 15:05:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:05:49,437 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-23 15:05:49,438 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-23 15:05:49,441 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-23 15:05:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-23 15:05:49,442 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-23 15:05:49,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-23 15:05:49,443 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-11-23 15:05:49,443 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-11-23 15:05:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:05:49,444 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-23 15:05:49,444 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-23 15:05:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 15:05:49,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 15:05:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:05:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:05:49,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:05:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-11-23 15:05:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-11-23 15:05:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-23 15:05:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-23 15:05:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:05:49,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:05:49,453 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-23 15:05:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-23 15:05:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-23 15:05:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-23 15:05:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-23 15:05:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-23 15:05:49,454 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-23 15:05:49,454 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-23 15:05:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-23 15:05:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-23 15:05:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:05:49,455 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:05:49,455 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-23 15:05:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-23 15:05:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:05:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:05:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:05:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-23 15:05:49,456 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-23 15:05:49,456 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-23 15:05:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-23 15:05:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-23 15:05:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-23 15:05:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:05:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-23 15:05:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-23 15:05:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-23 15:05:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-23 15:05:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:05:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:05:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:05:49,919 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:05:49,921 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:05:51,392 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:05:51,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:05:51,712 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-23 15:05:51,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:51 BoogieIcfgContainer [2022-11-23 15:05:51,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:05:51,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:05:51,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:05:51,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:05:51,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:05:45" (1/3) ... [2022-11-23 15:05:51,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33605f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:05:51, skipping insertion in model container [2022-11-23 15:05:51,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:49" (2/3) ... [2022-11-23 15:05:51,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33605f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:05:51, skipping insertion in model container [2022-11-23 15:05:51,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:51" (3/3) ... [2022-11-23 15:05:51,731 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_either_harness.i [2022-11-23 15:05:51,754 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:05:51,755 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:05:51,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:05:51,863 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e1974ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:05:51,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:05:51,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 290 states, 150 states have (on average 1.2266666666666666) internal successors, (184), 153 states have internal predecessors, (184), 113 states have call successors, (113), 24 states have call predecessors, (113), 24 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) [2022-11-23 15:05:51,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-23 15:05:51,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:05:51,888 INFO L195 NwaCegarLoop]: trace histogram [7, 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] [2022-11-23 15:05:51,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:05:51,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:05:51,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1248765950, now seen corresponding path program 1 times [2022-11-23 15:05:51,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:05:51,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903158101] [2022-11-23 15:05:51,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:51,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:05:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:53,149 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-23 15:05:53,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:05:53,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903158101] [2022-11-23 15:05:53,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903158101] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:05:53,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152094319] [2022-11-23 15:05:53,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:53,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:53,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:05:53,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:05:53,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:05:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:53,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 2136 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:05:53,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:05:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-23 15:05:53,874 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:05:53,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152094319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:05:53,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:05:53,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-23 15:05:53,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949097225] [2022-11-23 15:05:53,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:05:53,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:05:53,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:05:53,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:05:53,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:05:53,941 INFO L87 Difference]: Start difference. First operand has 290 states, 150 states have (on average 1.2266666666666666) internal successors, (184), 153 states have internal predecessors, (184), 113 states have call successors, (113), 24 states have call predecessors, (113), 24 states have return successors, (113), 113 states have call predecessors, (113), 113 states have call successors, (113) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:05:54,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:05:54,507 INFO L93 Difference]: Finished difference Result 528 states and 786 transitions. [2022-11-23 15:05:54,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:05:54,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 80 [2022-11-23 15:05:54,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:05:54,522 INFO L225 Difference]: With dead ends: 528 [2022-11-23 15:05:54,522 INFO L226 Difference]: Without dead ends: 288 [2022-11-23 15:05:54,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:05:54,532 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 0 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:05:54,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 723 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:05:54,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-11-23 15:05:54,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2022-11-23 15:05:54,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 150 states have (on average 1.2) internal successors, (180), 152 states have internal predecessors, (180), 113 states have call successors, (113), 24 states have call predecessors, (113), 23 states have return successors, (111), 111 states have call predecessors, (111), 111 states have call successors, (111) [2022-11-23 15:05:54,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 404 transitions. [2022-11-23 15:05:54,631 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 404 transitions. Word has length 80 [2022-11-23 15:05:54,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:05:54,633 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 404 transitions. [2022-11-23 15:05:54,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:05:54,634 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 404 transitions. [2022-11-23 15:05:54,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-23 15:05:54,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:05:54,638 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:05:54,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:05:54,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:54,849 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:05:54,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:05:54,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1483620489, now seen corresponding path program 1 times [2022-11-23 15:05:54,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:05:54,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516805306] [2022-11-23 15:05:54,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:54,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:05:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-23 15:05:55,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:05:55,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516805306] [2022-11-23 15:05:55,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516805306] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:05:55,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470099289] [2022-11-23 15:05:55,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:55,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:55,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:05:55,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:05:55,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:05:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:56,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 2244 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:05:56,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:05:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-23 15:05:56,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:05:56,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470099289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:05:56,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:05:56,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-23 15:05:56,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618359087] [2022-11-23 15:05:56,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:05:56,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:05:56,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:05:56,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:05:56,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:05:56,241 INFO L87 Difference]: Start difference. First operand 288 states and 404 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-23 15:05:56,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:05:56,981 INFO L93 Difference]: Finished difference Result 548 states and 779 transitions. [2022-11-23 15:05:56,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:05:56,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 95 [2022-11-23 15:05:56,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:05:56,987 INFO L225 Difference]: With dead ends: 548 [2022-11-23 15:05:56,988 INFO L226 Difference]: Without dead ends: 290 [2022-11-23 15:05:56,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:05:56,991 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 31 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:05:56,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 1313 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 15:05:56,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-11-23 15:05:57,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2022-11-23 15:05:57,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 151 states have (on average 1.1986754966887416) internal successors, (181), 154 states have internal predecessors, (181), 113 states have call successors, (113), 24 states have call predecessors, (113), 24 states have return successors, (119), 111 states have call predecessors, (119), 111 states have call successors, (119) [2022-11-23 15:05:57,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 413 transitions. [2022-11-23 15:05:57,040 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 413 transitions. Word has length 95 [2022-11-23 15:05:57,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:05:57,041 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 413 transitions. [2022-11-23 15:05:57,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-23 15:05:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 413 transitions. [2022-11-23 15:05:57,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-23 15:05:57,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:05:57,045 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 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] [2022-11-23 15:05:57,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:05:57,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:57,259 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:05:57,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:05:57,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1504890902, now seen corresponding path program 1 times [2022-11-23 15:05:57,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:05:57,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308799865] [2022-11-23 15:05:57,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:57,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:05:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-23 15:05:57,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:05:57,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308799865] [2022-11-23 15:05:57,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308799865] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:05:57,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102189111] [2022-11-23 15:05:57,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:05:57,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:05:57,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:05:57,979 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:05:58,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:05:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:05:58,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 2294 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:05:58,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:05:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-23 15:05:58,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:05:58,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102189111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:05:58,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:05:58,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-23 15:05:58,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092764797] [2022-11-23 15:05:58,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:05:58,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:05:58,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:05:58,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:05:58,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:05:58,725 INFO L87 Difference]: Start difference. First operand 290 states and 413 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-23 15:05:59,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:05:59,873 INFO L93 Difference]: Finished difference Result 563 states and 822 transitions. [2022-11-23 15:05:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:05:59,874 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 103 [2022-11-23 15:05:59,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:05:59,877 INFO L225 Difference]: With dead ends: 563 [2022-11-23 15:05:59,877 INFO L226 Difference]: Without dead ends: 303 [2022-11-23 15:05:59,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:05:59,880 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 44 mSDsluCounter, 1594 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1934 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:05:59,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1934 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 15:05:59,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-11-23 15:05:59,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 301. [2022-11-23 15:05:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 159 states have (on average 1.20125786163522) internal successors, (191), 162 states have internal predecessors, (191), 115 states have call successors, (115), 24 states have call predecessors, (115), 25 states have return successors, (132), 114 states have call predecessors, (132), 113 states have call successors, (132) [2022-11-23 15:05:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2022-11-23 15:05:59,924 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 103 [2022-11-23 15:05:59,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:05:59,925 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2022-11-23 15:05:59,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-23 15:05:59,926 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2022-11-23 15:05:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-23 15:05:59,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:05:59,930 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 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] [2022-11-23 15:05:59,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:06:00,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:00,140 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:06:00,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:06:00,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1295881075, now seen corresponding path program 1 times [2022-11-23 15:06:00,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:06:00,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598465900] [2022-11-23 15:06:00,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:00,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:06:00,263 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:06:00,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1470254901] [2022-11-23 15:06:00,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:00,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:00,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:00,265 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:06:00,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:06:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:00,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 2426 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:06:00,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:06:01,058 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-23 15:06:01,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:06:01,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:06:01,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598465900] [2022-11-23 15:06:01,059 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:06:01,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470254901] [2022-11-23 15:06:01,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470254901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:06:01,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:06:01,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:06:01,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404435900] [2022-11-23 15:06:01,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:06:01,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:06:01,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:06:01,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:06:01,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:06:01,067 INFO L87 Difference]: Start difference. First operand 301 states and 438 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-23 15:06:01,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:06:01,963 INFO L93 Difference]: Finished difference Result 580 states and 867 transitions. [2022-11-23 15:06:01,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:06:01,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 112 [2022-11-23 15:06:01,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:06:01,970 INFO L225 Difference]: With dead ends: 580 [2022-11-23 15:06:01,971 INFO L226 Difference]: Without dead ends: 309 [2022-11-23 15:06:01,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:06:01,973 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 42 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 1623 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:06:01,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 1623 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 15:06:01,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-11-23 15:06:02,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 301. [2022-11-23 15:06:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 159 states have (on average 1.20125786163522) internal successors, (191), 162 states have internal predecessors, (191), 115 states have call successors, (115), 24 states have call predecessors, (115), 25 states have return successors, (132), 114 states have call predecessors, (132), 113 states have call successors, (132) [2022-11-23 15:06:02,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2022-11-23 15:06:02,010 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 112 [2022-11-23 15:06:02,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:06:02,011 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2022-11-23 15:06:02,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-11-23 15:06:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2022-11-23 15:06:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-23 15:06:02,015 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:06:02,015 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 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] [2022-11-23 15:06:02,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:06:02,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:02,226 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:06:02,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:06:02,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1631024648, now seen corresponding path program 1 times [2022-11-23 15:06:02,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:06:02,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779736673] [2022-11-23 15:06:02,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:02,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:06:02,318 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:06:02,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2069258963] [2022-11-23 15:06:02,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:02,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:02,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:02,321 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:06:02,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:06:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:02,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 2480 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 15:06:02,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:06:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-23 15:06:03,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:06:03,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:06:03,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779736673] [2022-11-23 15:06:03,111 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:06:03,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069258963] [2022-11-23 15:06:03,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069258963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:06:03,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:06:03,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:06:03,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634506575] [2022-11-23 15:06:03,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:06:03,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:06:03,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:06:03,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:06:03,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:06:03,114 INFO L87 Difference]: Start difference. First operand 301 states and 438 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 5 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-23 15:06:04,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:06:04,428 INFO L93 Difference]: Finished difference Result 590 states and 881 transitions. [2022-11-23 15:06:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:06:04,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 5 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 120 [2022-11-23 15:06:04,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:06:04,433 INFO L225 Difference]: With dead ends: 590 [2022-11-23 15:06:04,434 INFO L226 Difference]: Without dead ends: 319 [2022-11-23 15:06:04,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:06:04,437 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 54 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:06:04,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 2213 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 15:06:04,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2022-11-23 15:06:04,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 301. [2022-11-23 15:06:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 159 states have (on average 1.20125786163522) internal successors, (191), 162 states have internal predecessors, (191), 115 states have call successors, (115), 24 states have call predecessors, (115), 25 states have return successors, (132), 114 states have call predecessors, (132), 113 states have call successors, (132) [2022-11-23 15:06:04,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2022-11-23 15:06:04,470 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 120 [2022-11-23 15:06:04,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:06:04,471 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2022-11-23 15:06:04,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 5 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-23 15:06:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2022-11-23 15:06:04,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-23 15:06:04,475 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:06:04,475 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:06:04,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:06:04,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:04,687 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:06:04,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:06:04,688 INFO L85 PathProgramCache]: Analyzing trace with hash 856727737, now seen corresponding path program 1 times [2022-11-23 15:06:04,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:06:04,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063321163] [2022-11-23 15:06:04,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:04,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:06:04,804 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:06:04,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [457384256] [2022-11-23 15:06:04,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:04,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:04,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:04,807 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:06:04,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 15:06:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:05,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 2612 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:06:05,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:06:05,658 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-23 15:06:05,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:06:05,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:06:05,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063321163] [2022-11-23 15:06:05,659 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:06:05,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457384256] [2022-11-23 15:06:05,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457384256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:06:05,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:06:05,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:06:05,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721676811] [2022-11-23 15:06:05,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:06:05,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:06:05,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:06:05,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:06:05,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:06:05,661 INFO L87 Difference]: Start difference. First operand 301 states and 438 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-23 15:06:06,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:06:06,561 INFO L93 Difference]: Finished difference Result 549 states and 812 transitions. [2022-11-23 15:06:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:06:06,562 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 129 [2022-11-23 15:06:06,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:06:06,565 INFO L225 Difference]: With dead ends: 549 [2022-11-23 15:06:06,565 INFO L226 Difference]: Without dead ends: 303 [2022-11-23 15:06:06,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:06:06,567 INFO L413 NwaCegarLoop]: 341 mSDtfsCounter, 77 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1901 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:06:06,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1901 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 15:06:06,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-11-23 15:06:06,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2022-11-23 15:06:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 160 states have (on average 1.2) internal successors, (192), 164 states have internal predecessors, (192), 115 states have call successors, (115), 24 states have call predecessors, (115), 26 states have return successors, (138), 114 states have call predecessors, (138), 113 states have call successors, (138) [2022-11-23 15:06:06,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 445 transitions. [2022-11-23 15:06:06,586 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 445 transitions. Word has length 129 [2022-11-23 15:06:06,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:06:06,587 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 445 transitions. [2022-11-23 15:06:06,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-23 15:06:06,587 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 445 transitions. [2022-11-23 15:06:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-23 15:06:06,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:06:06,594 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 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, 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] [2022-11-23 15:06:06,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 15:06:06,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 15:06:06,795 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:06:06,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:06:06,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1921959463, now seen corresponding path program 1 times [2022-11-23 15:06:06,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:06:06,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023785015] [2022-11-23 15:06:06,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:06,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:06:06,919 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:06:06,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1311284297] [2022-11-23 15:06:06,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:06,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:06,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:06,921 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:06:06,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 15:06:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:07,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 2794 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 15:06:07,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:06:07,795 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-23 15:06:07,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:06:07,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:06:07,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023785015] [2022-11-23 15:06:07,796 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:06:07,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311284297] [2022-11-23 15:06:07,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311284297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:06:07,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:06:07,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:06:07,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982833092] [2022-11-23 15:06:07,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:06:07,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:06:07,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:06:07,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:06:07,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:06:07,799 INFO L87 Difference]: Start difference. First operand 303 states and 445 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 5 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-23 15:06:09,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:06:09,231 INFO L93 Difference]: Finished difference Result 554 states and 827 transitions. [2022-11-23 15:06:09,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:06:09,232 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 5 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) Word has length 146 [2022-11-23 15:06:09,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:06:09,235 INFO L225 Difference]: With dead ends: 554 [2022-11-23 15:06:09,235 INFO L226 Difference]: Without dead ends: 306 [2022-11-23 15:06:09,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:06:09,237 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 88 mSDsluCounter, 1860 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:06:09,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 2200 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 15:06:09,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-11-23 15:06:09,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 304. [2022-11-23 15:06:09,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 161 states have (on average 1.1987577639751552) internal successors, (193), 165 states have internal predecessors, (193), 115 states have call successors, (115), 24 states have call predecessors, (115), 26 states have return successors, (138), 114 states have call predecessors, (138), 113 states have call successors, (138) [2022-11-23 15:06:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 446 transitions. [2022-11-23 15:06:09,261 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 446 transitions. Word has length 146 [2022-11-23 15:06:09,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:06:09,262 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 446 transitions. [2022-11-23 15:06:09,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 5 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-23 15:06:09,263 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 446 transitions. [2022-11-23 15:06:09,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-23 15:06:09,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:06:09,265 INFO L195 NwaCegarLoop]: trace histogram [9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-23 15:06:09,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-23 15:06:09,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:09,479 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:06:09,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:06:09,480 INFO L85 PathProgramCache]: Analyzing trace with hash 603280494, now seen corresponding path program 2 times [2022-11-23 15:06:09,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:06:09,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181658855] [2022-11-23 15:06:09,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:09,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:06:09,599 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:06:09,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1135916338] [2022-11-23 15:06:09,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:06:09,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:09,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:09,601 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:06:09,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 15:06:10,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-23 15:06:10,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:06:10,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 2060 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:06:10,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:06:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-23 15:06:11,067 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:06:11,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:06:11,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181658855] [2022-11-23 15:06:11,068 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:06:11,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135916338] [2022-11-23 15:06:11,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135916338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:06:11,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:06:11,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:06:11,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872232884] [2022-11-23 15:06:11,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:06:11,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:06:11,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:06:11,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:06:11,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:06:11,071 INFO L87 Difference]: Start difference. First operand 304 states and 446 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-23 15:06:11,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:06:11,996 INFO L93 Difference]: Finished difference Result 558 states and 836 transitions. [2022-11-23 15:06:11,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:06:11,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 154 [2022-11-23 15:06:11,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:06:12,000 INFO L225 Difference]: With dead ends: 558 [2022-11-23 15:06:12,001 INFO L226 Difference]: Without dead ends: 338 [2022-11-23 15:06:12,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:06:12,005 INFO L413 NwaCegarLoop]: 399 mSDtfsCounter, 53 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:06:12,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 1886 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 15:06:12,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2022-11-23 15:06:12,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 305. [2022-11-23 15:06:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 162 states have (on average 1.1975308641975309) internal successors, (194), 166 states have internal predecessors, (194), 115 states have call successors, (115), 24 states have call predecessors, (115), 26 states have return successors, (138), 114 states have call predecessors, (138), 113 states have call successors, (138) [2022-11-23 15:06:12,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 447 transitions. [2022-11-23 15:06:12,035 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 447 transitions. Word has length 154 [2022-11-23 15:06:12,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:06:12,036 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 447 transitions. [2022-11-23 15:06:12,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-23 15:06:12,036 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 447 transitions. [2022-11-23 15:06:12,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-23 15:06:12,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:06:12,040 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 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, 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] [2022-11-23 15:06:12,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 15:06:12,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:12,255 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:06:12,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:06:12,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1997962447, now seen corresponding path program 1 times [2022-11-23 15:06:12,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:06:12,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122371754] [2022-11-23 15:06:12,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:12,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:06:12,371 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:06:12,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [52163955] [2022-11-23 15:06:12,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:12,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:12,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:12,374 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:06:12,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 15:06:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:06:13,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 2885 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-23 15:06:13,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:06:13,313 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-23 15:06:13,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:06:13,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:06:13,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122371754] [2022-11-23 15:06:13,313 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:06:13,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52163955] [2022-11-23 15:06:13,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52163955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:06:13,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:06:13,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-23 15:06:13,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007153831] [2022-11-23 15:06:13,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:06:13,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:06:13,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:06:13,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:06:13,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:06:13,316 INFO L87 Difference]: Start difference. First operand 305 states and 447 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 6 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (26), 5 states have call predecessors, (26), 6 states have call successors, (26) [2022-11-23 15:06:14,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:06:14,747 INFO L93 Difference]: Finished difference Result 565 states and 845 transitions. [2022-11-23 15:06:14,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 15:06:14,748 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 6 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (26), 5 states have call predecessors, (26), 6 states have call successors, (26) Word has length 167 [2022-11-23 15:06:14,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:06:14,750 INFO L225 Difference]: With dead ends: 565 [2022-11-23 15:06:14,751 INFO L226 Difference]: Without dead ends: 315 [2022-11-23 15:06:14,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-23 15:06:14,753 INFO L413 NwaCegarLoop]: 331 mSDtfsCounter, 100 mSDsluCounter, 2427 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 2758 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:06:14,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 2758 Invalid, 883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 15:06:14,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-11-23 15:06:14,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 310. [2022-11-23 15:06:14,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 166 states have (on average 1.1987951807228916) internal successors, (199), 169 states have internal predecessors, (199), 116 states have call successors, (116), 24 states have call predecessors, (116), 26 states have return successors, (139), 116 states have call predecessors, (139), 114 states have call successors, (139) [2022-11-23 15:06:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 454 transitions. [2022-11-23 15:06:14,777 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 454 transitions. Word has length 167 [2022-11-23 15:06:14,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:06:14,778 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 454 transitions. [2022-11-23 15:06:14,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 6 states have call successors, (29), 3 states have call predecessors, (29), 4 states have return successors, (26), 5 states have call predecessors, (26), 6 states have call successors, (26) [2022-11-23 15:06:14,778 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 454 transitions. [2022-11-23 15:06:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-23 15:06:14,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:06:14,781 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 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, 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] [2022-11-23 15:06:14,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-23 15:06:14,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-23 15:06:14,992 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:06:14,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:06:14,992 INFO L85 PathProgramCache]: Analyzing trace with hash 59482499, now seen corresponding path program 2 times [2022-11-23 15:06:14,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:06:14,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229056432] [2022-11-23 15:06:14,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:14,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:06:15,090 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:06:15,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2096423170] [2022-11-23 15:06:15,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:06:15,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:15,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:15,092 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:06:15,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 15:06:16,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-23 15:06:16,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:06:16,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 15:06:16,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:06:16,234 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-11-23 15:06:16,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:06:16,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:06:16,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229056432] [2022-11-23 15:06:16,235 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:06:16,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096423170] [2022-11-23 15:06:16,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096423170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:06:16,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:06:16,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:06:16,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998239968] [2022-11-23 15:06:16,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:06:16,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:06:16,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:06:16,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:06:16,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:06:16,239 INFO L87 Difference]: Start difference. First operand 310 states and 454 transitions. Second operand has 5 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-23 15:06:17,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:06:17,139 INFO L93 Difference]: Finished difference Result 552 states and 826 transitions. [2022-11-23 15:06:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:06:17,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 167 [2022-11-23 15:06:17,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:06:17,143 INFO L225 Difference]: With dead ends: 552 [2022-11-23 15:06:17,143 INFO L226 Difference]: Without dead ends: 310 [2022-11-23 15:06:17,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:06:17,146 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 0 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:06:17,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1297 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 15:06:17,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-11-23 15:06:17,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2022-11-23 15:06:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 166 states have (on average 1.1987951807228916) internal successors, (199), 169 states have internal predecessors, (199), 116 states have call successors, (116), 24 states have call predecessors, (116), 26 states have return successors, (138), 116 states have call predecessors, (138), 114 states have call successors, (138) [2022-11-23 15:06:17,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 453 transitions. [2022-11-23 15:06:17,177 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 453 transitions. Word has length 167 [2022-11-23 15:06:17,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:06:17,178 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 453 transitions. [2022-11-23 15:06:17,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-23 15:06:17,178 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 453 transitions. [2022-11-23 15:06:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-23 15:06:17,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:06:17,183 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-23 15:06:17,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-23 15:06:17,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 15:06:17,393 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:06:17,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:06:17,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1732117889, now seen corresponding path program 3 times [2022-11-23 15:06:17,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:06:17,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567264911] [2022-11-23 15:06:17,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:06:17,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:06:17,534 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:06:17,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [656083098] [2022-11-23 15:06:17,535 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 15:06:17,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:06:17,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:06:17,536 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:06:17,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_216e14d8-b2f6-4363-93fd-670a42d0fd32/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-23 15:06:18,057 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 15:06:18,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:06:18,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 45 conjunts are in the unsatisfiable core [2022-11-23 15:06:18,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:06:18,291 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 127 proven. 13 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2022-11-23 15:06:18,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:06:18,778 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-23 15:06:18,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:06:18,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567264911] [2022-11-23 15:06:18,779 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:06:18,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656083098] [2022-11-23 15:06:18,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656083098] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:06:18,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1021821408] [2022-11-23 15:06:18,824 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2022-11-23 15:06:18,825 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:06:18,830 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:06:18,837 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:06:18,838 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:06:22,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:22,587 INFO L217 Elim1Store]: Index analysis took 467 ms [2022-11-23 15:06:41,407 WARN L233 SmtUtils]: Spent 18.66s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:06:41,414 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-11-23 15:06:41,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-11-23 15:06:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:06:45,726 INFO L217 Elim1Store]: Index analysis took 738 ms [2022-11-23 15:07:15,403 WARN L233 SmtUtils]: Spent 29.62s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:07:15,408 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-23 15:07:15,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-11-23 15:08:40,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:08:40,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:40,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-23 15:08:40,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:40,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-23 15:08:40,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:40,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:40,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-23 15:08:44,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:44,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:44,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:44,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:44,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:44,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:44,781 INFO L217 Elim1Store]: Index analysis took 250 ms [2022-11-23 15:08:44,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-23 15:08:45,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:45,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-23 15:08:46,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:46,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:46,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:46,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:46,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:46,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:46,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:46,192 INFO L217 Elim1Store]: Index analysis took 114 ms [2022-11-23 15:08:46,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-23 15:08:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:46,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-23 15:08:47,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:47,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-23 15:08:54,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:54,827 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-11-23 15:08:54,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-23 15:08:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:55,231 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-23 15:08:55,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:55,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:55,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:55,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:55,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:55,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:55,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:55,943 INFO L217 Elim1Store]: Index analysis took 142 ms [2022-11-23 15:08:55,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-23 15:08:56,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:56,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:56,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:56,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:56,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:56,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:56,557 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-11-23 15:08:56,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-23 15:08:57,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:08:57,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-23 15:09:13,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-23 15:09:13,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-23 15:09:14,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-23 15:09:14,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-23 15:09:14,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-23 15:09:14,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-23 15:09:29,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-23 15:09:29,337 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-23 15:09:29,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-23 15:09:29,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-23 15:09:29,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-23 15:09:29,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-23 15:09:32,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-11-23 15:09:32,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-11-23 15:09:33,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2175 treesize of output 2154 [2022-11-23 15:09:34,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:09:47,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:09:47,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:09:47,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:09:47,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:09:47,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:09:47,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:09:47,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 15:09:47,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:09:47,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 15:09:47,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 15:09:47,791 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:09:47,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-23 15:09:47,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 15:09:47,874 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:09:47,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-23 15:09:47,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 15:09:47,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:09:48,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-23 15:09:48,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-23 15:09:48,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-23 15:09:48,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-23 15:09:50,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-11-23 15:09:50,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2143 treesize of output 2115 [2022-11-23 15:09:50,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2111 treesize of output 2087 [2022-11-23 15:10:06,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-11-23 15:10:07,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-11-23 15:10:07,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-11-23 15:12:43,998 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2895 for LOIs [2022-11-23 15:12:57,540 INFO L197 IcfgInterpreter]: Interpreting procedure s_sift_either with input of size 678 for LOIs [2022-11-23 15:13:00,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-11-23 15:13:00,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:00,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:01,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-11-23 15:13:01,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:01,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:02,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:02,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:02,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-11-23 15:13:03,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-11-23 15:13:04,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:04,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:06,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2022-11-23 15:13:06,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 15:13:06,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 15:13:06,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2022-11-23 15:13:07,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:07,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:07,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2022-11-23 15:13:07,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2022-11-23 15:13:10,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1871 treesize of output 1859 [2022-11-23 15:13:10,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1859 treesize of output 1847 [2022-11-23 15:13:10,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1847 treesize of output 1835 [2022-11-23 15:13:14,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1871 treesize of output 1859 [2022-11-23 15:13:14,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1859 treesize of output 1847 [2022-11-23 15:13:15,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1847 treesize of output 1835 [2022-11-23 15:13:21,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1871 treesize of output 1859 [2022-11-23 15:13:22,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1859 treesize of output 1847 [2022-11-23 15:13:22,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1847 treesize of output 1835 [2022-11-23 15:13:30,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1871 treesize of output 1859 [2022-11-23 15:13:30,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1859 treesize of output 1847 [2022-11-23 15:13:30,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1847 treesize of output 1835 [2022-11-23 15:13:39,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1927 treesize of output 1915 [2022-11-23 15:13:39,927 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1915 treesize of output 1903 [2022-11-23 15:13:40,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1903 treesize of output 1891 [2022-11-23 15:13:42,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1871 treesize of output 1859 [2022-11-23 15:13:42,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1859 treesize of output 1847 [2022-11-23 15:13:42,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1847 treesize of output 1835 [2022-11-23 15:13:49,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1871 treesize of output 1859 [2022-11-23 15:13:49,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1859 treesize of output 1847 [2022-11-23 15:13:49,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1847 treesize of output 1835 [2022-11-23 15:13:50,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:50,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:50,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2022-11-23 15:13:51,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:51,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:51,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-11-23 15:13:52,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2022-11-23 15:13:52,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:52,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 196 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 [2022-11-23 15:13:53,624 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 669 for LOIs [2022-11-23 15:13:59,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 15:13:59,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 15:14:02,165 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 47 for LOIs [2022-11-23 15:14:02,175 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 47 for LOIs [2022-11-23 15:14:02,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-23 15:14:02,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-23 15:14:02,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-23 15:14:02,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-23 15:14:02,984 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 50 for LOIs [2022-11-23 15:14:03,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-23 15:14:03,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 15:14:03,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 15:14:03,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:03,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:03,125 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:14:03,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-23 15:14:03,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 15:14:03,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 15:14:03,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:03,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:14:03,214 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:14:03,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-23 15:14:03,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-23 15:14:03,411 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-23 15:14:03,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 191 [2022-11-23 15:14:04,102 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 98 for LOIs [2022-11-23 15:14:04,406 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 84 for LOIs [2022-11-23 15:14:04,429 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2966 for LOIs [2022-11-23 15:15:36,511 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:15:36,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-23 15:15:36,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:15:36,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 15:16:00,420 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-11-23 15:16:00,423 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-23 15:16:00,432 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:18:49,827 WARN L233 SmtUtils]: Spent 2.81m on a formula simplification. DAG size of input: 2824 DAG size of output: 2436 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)