./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/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_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/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_24efd7b3-8f01-4199-afc1-54dc33536a6e/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 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 --- 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 15:15:50,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:15:50,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:15:50,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:15:50,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:15:50,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:15:50,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:15:50,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:15:50,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:15:50,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:15:50,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:15:50,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:15:50,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:15:50,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:15:50,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:15:50,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:15:50,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:15:50,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:15:50,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:15:50,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:15:50,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:15:50,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:15:50,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:15:50,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:15:50,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:15:50,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:15:50,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:15:50,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:15:50,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:15:50,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:15:50,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:15:50,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:15:50,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:15:50,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:15:50,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:15:50,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:15:50,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:15:50,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:15:50,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:15:50,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:15:50,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:15:50,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:15:50,596 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:15:50,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:15:50,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:15:50,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:15:50,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:15:50,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:15:50,598 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:15:50,599 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:15:50,599 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:15:50,599 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:15:50,600 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:15:50,600 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:15:50,601 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:15:50,601 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:15:50,601 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:15:50,601 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:15:50,601 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:15:50,602 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:15:50,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:15:50,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:15:50,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:15:50,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:15:50,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:15:50,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:15:50,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:15:50,604 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:15:50,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:15:50,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:15:50,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:15:50,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:15:50,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:15:50,606 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:15:50,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:15:50,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:15:50,606 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:15:50,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:15:50,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:15:50,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:15:50,607 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_24efd7b3-8f01-4199-afc1-54dc33536a6e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2022-11-23 15:15:50,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:15:50,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:15:50,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:15:50,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:15:50,896 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:15:50,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-11-23 15:15:53,898 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:15:54,451 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:15:54,455 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-11-23 15:15:54,501 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/data/07293be53/14c0777f8ce34c6fb032c740155cfaa5/FLAG80fc19fcc [2022-11-23 15:15:54,518 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/data/07293be53/14c0777f8ce34c6fb032c740155cfaa5 [2022-11-23 15:15:54,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:15:54,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:15:54,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:15:54,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:15:54,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:15:54,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:15:54" (1/1) ... [2022-11-23 15:15:54,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56fb0363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:54, skipping insertion in model container [2022-11-23 15:15:54,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:15:54" (1/1) ... [2022-11-23 15:15:54,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:15:54,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:15:55,000 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_24efd7b3-8f01-4199-afc1-54dc33536a6e/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2022-11-23 15:15:55,011 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_24efd7b3-8f01-4199-afc1-54dc33536a6e/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2022-11-23 15:15:56,099 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,100 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,101 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,102 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,103 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,117 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,118 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,120 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,121 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,123 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,124 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,125 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,125 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,620 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 15:15:56,621 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 15:15:56,622 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 15:15:56,623 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 15:15:56,625 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 15:15:56,626 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 15:15:56,626 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 15:15:56,627 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 15:15:56,628 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 15:15:56,628 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 15:15:56,846 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 15:15:56,871 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,872 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,879 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,886 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,970 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,971 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,971 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,972 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,972 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,973 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,973 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,974 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,975 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,975 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,975 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,976 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,976 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,981 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,982 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,982 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,983 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,986 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,989 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,998 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,999 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:56,999 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:15:57,045 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:15:57,060 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_24efd7b3-8f01-4199-afc1-54dc33536a6e/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2022-11-23 15:15:57,060 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_24efd7b3-8f01-4199-afc1-54dc33536a6e/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2022-11-23 15:15:57,104 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,105 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,105 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,106 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,107 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,116 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,117 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,118 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,118 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,119 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,120 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,120 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,121 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,231 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 15:15:57,232 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 15:15:57,233 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 15:15:57,235 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 15:15:57,238 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 15:15:57,239 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 15:15:57,240 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 15:15:57,241 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 15:15:57,241 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 15:15:57,242 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 15:15:57,289 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 15:15:57,308 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,323 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,324 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,329 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,353 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,353 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,354 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,354 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,354 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,355 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,355 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,356 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,356 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,356 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,356 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,357 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,357 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,358 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,358 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,358 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,359 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,361 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,361 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,367 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,368 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,368 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 15:15:57,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:15:57,622 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:15:57,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57 WrapperNode [2022-11-23 15:15:57,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:15:57,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:15:57,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:15:57,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:15:57,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57" (1/1) ... [2022-11-23 15:15:57,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57" (1/1) ... [2022-11-23 15:15:57,809 INFO L138 Inliner]: procedures = 697, calls = 1904, calls flagged for inlining = 59, calls inlined = 14, statements flattened = 839 [2022-11-23 15:15:57,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:15:57,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:15:57,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:15:57,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:15:57,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57" (1/1) ... [2022-11-23 15:15:57,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57" (1/1) ... [2022-11-23 15:15:57,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57" (1/1) ... [2022-11-23 15:15:57,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57" (1/1) ... [2022-11-23 15:15:57,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57" (1/1) ... [2022-11-23 15:15:57,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57" (1/1) ... [2022-11-23 15:15:57,870 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57" (1/1) ... [2022-11-23 15:15:57,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57" (1/1) ... [2022-11-23 15:15:57,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:15:57,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:15:57,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:15:57,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:15:57,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57" (1/1) ... [2022-11-23 15:15:57,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:15:57,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:15:57,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:15:57,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:15:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-23 15:15:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-23 15:15:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-23 15:15:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-23 15:15:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:15:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-23 15:15:58,003 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-23 15:15:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-23 15:15:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-23 15:15:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-23 15:15:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-23 15:15:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:15:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-23 15:15:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-23 15:15:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 15:15:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 15:15:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:15:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:15:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:15:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-23 15:15:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-23 15:15:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:15:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:15:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-23 15:15:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-23 15:15:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-11-23 15:15:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-11-23 15:15:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-23 15:15:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-23 15:15:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-23 15:15:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-23 15:15:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-23 15:15:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-23 15:15:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-23 15:15:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-23 15:15:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:15:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:15:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-23 15:15:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-23 15:15:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:15:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:15:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2022-11-23 15:15:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2022-11-23 15:15:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:15:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-23 15:15:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-23 15:15:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-23 15:15:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-23 15:15:58,013 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-23 15:15:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-23 15:15:58,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:15:58,015 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-23 15:15:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-23 15:15:58,015 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-23 15:15:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-23 15:15:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:15:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 15:15:58,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:15:58,457 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:15:58,459 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:15:59,880 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:16:00,188 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:16:00,189 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-23 15:16:00,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:16:00 BoogieIcfgContainer [2022-11-23 15:16:00,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:16:00,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:16:00,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:16:00,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:16:00,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:15:54" (1/3) ... [2022-11-23 15:16:00,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de0f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:16:00, skipping insertion in model container [2022-11-23 15:16:00,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:15:57" (2/3) ... [2022-11-23 15:16:00,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de0f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:16:00, skipping insertion in model container [2022-11-23 15:16:00,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:16:00" (3/3) ... [2022-11-23 15:16:00,206 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_down_harness.i [2022-11-23 15:16:00,227 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:16:00,227 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:16:00,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:16:00,321 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;@35e455d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:16:00,321 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:16:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 268 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 140 states have internal predecessors, (166), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2022-11-23 15:16:00,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-23 15:16:00,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:16:00,347 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:16:00,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:16:00,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:16:00,355 INFO L85 PathProgramCache]: Analyzing trace with hash 224299216, now seen corresponding path program 1 times [2022-11-23 15:16:00,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:16:00,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906100868] [2022-11-23 15:16:00,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:00,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:16:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:16:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-23 15:16:01,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:16:01,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906100868] [2022-11-23 15:16:01,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906100868] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:16:01,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964446777] [2022-11-23 15:16:01,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:01,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:16:01,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:16:01,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:16:01,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:16:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:16:02,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:16:02,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:16:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-23 15:16:02,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:16:02,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964446777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:16:02,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:16:02,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-23 15:16:02,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535081782] [2022-11-23 15:16:02,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:16:02,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:16:02,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:16:02,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:16:02,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:16:02,468 INFO L87 Difference]: Start difference. First operand has 268 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 140 states have internal predecessors, (166), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-23 15:16:03,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:16:03,137 INFO L93 Difference]: Finished difference Result 496 states and 723 transitions. [2022-11-23 15:16:03,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:16:03,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 121 [2022-11-23 15:16:03,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:16:03,157 INFO L225 Difference]: With dead ends: 496 [2022-11-23 15:16:03,157 INFO L226 Difference]: Without dead ends: 268 [2022-11-23 15:16:03,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 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 15:16:03,177 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 33 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:16:03,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 1179 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:16:03,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-11-23 15:16:03,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2022-11-23 15:16:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 139 states have (on average 1.1726618705035972) internal successors, (163), 141 states have internal predecessors, (163), 104 states have call successors, (104), 23 states have call predecessors, (104), 24 states have return successors, (107), 103 states have call predecessors, (107), 103 states have call successors, (107) [2022-11-23 15:16:03,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 374 transitions. [2022-11-23 15:16:03,279 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 374 transitions. Word has length 121 [2022-11-23 15:16:03,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:16:03,280 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 374 transitions. [2022-11-23 15:16:03,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-23 15:16:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 374 transitions. [2022-11-23 15:16:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-23 15:16:03,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:16:03,291 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:16:03,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 15:16:03,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-23 15:16:03,500 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:16:03,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:16:03,501 INFO L85 PathProgramCache]: Analyzing trace with hash -725126990, now seen corresponding path program 1 times [2022-11-23 15:16:03,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:16:03,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488744420] [2022-11-23 15:16:03,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:03,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:16:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:16:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-23 15:16:04,268 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:16:04,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488744420] [2022-11-23 15:16:04,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488744420] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:16:04,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950076597] [2022-11-23 15:16:04,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:04,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:16:04,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:16:04,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:16:04,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:16:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:16:04,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 2349 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:16:04,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:16:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-23 15:16:05,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:16:05,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950076597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:16:05,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:16:05,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-11-23 15:16:05,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133570662] [2022-11-23 15:16:05,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:16:05,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:16:05,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:16:05,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:16:05,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:16:05,034 INFO L87 Difference]: Start difference. First operand 268 states and 374 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-23 15:16:05,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:16:05,861 INFO L93 Difference]: Finished difference Result 507 states and 722 transitions. [2022-11-23 15:16:05,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:16:05,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 129 [2022-11-23 15:16:05,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:16:05,866 INFO L225 Difference]: With dead ends: 507 [2022-11-23 15:16:05,866 INFO L226 Difference]: Without dead ends: 281 [2022-11-23 15:16:05,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-23 15:16:05,868 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 52 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:16:05,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1703 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 15:16:05,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-11-23 15:16:05,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 279. [2022-11-23 15:16:05,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 147 states have (on average 1.1768707482993197) internal successors, (173), 149 states have internal predecessors, (173), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-11-23 15:16:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 399 transitions. [2022-11-23 15:16:05,916 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 399 transitions. Word has length 129 [2022-11-23 15:16:05,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:16:05,918 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 399 transitions. [2022-11-23 15:16:05,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-23 15:16:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2022-11-23 15:16:05,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-23 15:16:05,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:16:05,929 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:16:05,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:16:06,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:16:06,138 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:16:06,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:16:06,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1832344581, now seen corresponding path program 1 times [2022-11-23 15:16:06,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:16:06,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647994602] [2022-11-23 15:16:06,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:06,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:16:06,239 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:16:06,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1758224514] [2022-11-23 15:16:06,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:06,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:16:06,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:16:06,244 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:16:06,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:16:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:16:06,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 2481 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:16:06,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:16:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-23 15:16:06,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:16:06,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:16:06,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647994602] [2022-11-23 15:16:06,980 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:16:06,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758224514] [2022-11-23 15:16:06,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758224514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:16:06,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:16:06,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:16:06,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639910473] [2022-11-23 15:16:06,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:16:06,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:16:06,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:16:06,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:16:06,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:16:06,983 INFO L87 Difference]: Start difference. First operand 279 states and 399 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-23 15:16:07,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:16:07,726 INFO L93 Difference]: Finished difference Result 524 states and 759 transitions. [2022-11-23 15:16:07,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:16:07,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 138 [2022-11-23 15:16:07,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:16:07,729 INFO L225 Difference]: With dead ends: 524 [2022-11-23 15:16:07,730 INFO L226 Difference]: Without dead ends: 287 [2022-11-23 15:16:07,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 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 15:16:07,732 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 44 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:16:07,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1456 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 15:16:07,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-11-23 15:16:07,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2022-11-23 15:16:07,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 147 states have (on average 1.1768707482993197) internal successors, (173), 149 states have internal predecessors, (173), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-11-23 15:16:07,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 399 transitions. [2022-11-23 15:16:07,753 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 399 transitions. Word has length 138 [2022-11-23 15:16:07,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:16:07,754 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 399 transitions. [2022-11-23 15:16:07,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-23 15:16:07,754 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2022-11-23 15:16:07,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-23 15:16:07,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:16:07,757 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:16:07,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:16:07,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-23 15:16:07,971 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:16:07,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:16:07,972 INFO L85 PathProgramCache]: Analyzing trace with hash -714253592, now seen corresponding path program 1 times [2022-11-23 15:16:07,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:16:07,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904701651] [2022-11-23 15:16:07,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:07,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:16:08,066 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:16:08,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [49409326] [2022-11-23 15:16:08,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:08,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:16:08,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:16:08,072 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:16:08,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:16:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:16:08,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 2535 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 15:16:08,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:16:08,863 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-11-23 15:16:08,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:16:08,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:16:08,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904701651] [2022-11-23 15:16:08,866 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:16:08,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49409326] [2022-11-23 15:16:08,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49409326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:16:08,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:16:08,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 15:16:08,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405608825] [2022-11-23 15:16:08,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:16:08,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:16:08,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:16:08,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:16:08,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:16:08,873 INFO L87 Difference]: Start difference. First operand 279 states and 399 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2022-11-23 15:16:09,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:16:09,843 INFO L93 Difference]: Finished difference Result 526 states and 760 transitions. [2022-11-23 15:16:09,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:16:09,847 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 146 [2022-11-23 15:16:09,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:16:09,850 INFO L225 Difference]: With dead ends: 526 [2022-11-23 15:16:09,850 INFO L226 Difference]: Without dead ends: 289 [2022-11-23 15:16:09,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:16:09,853 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 67 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1969 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:16:09,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1969 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-23 15:16:09,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-11-23 15:16:09,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 279. [2022-11-23 15:16:09,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 147 states have (on average 1.1768707482993197) internal successors, (173), 149 states have internal predecessors, (173), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-11-23 15:16:09,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 399 transitions. [2022-11-23 15:16:09,878 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 399 transitions. Word has length 146 [2022-11-23 15:16:09,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:16:09,880 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 399 transitions. [2022-11-23 15:16:09,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2022-11-23 15:16:09,880 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2022-11-23 15:16:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-23 15:16:09,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:16:09,884 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:09,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-23 15:16:10,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:16:10,094 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:16:10,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:16:10,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1735404133, now seen corresponding path program 2 times [2022-11-23 15:16:10,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:16:10,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917590845] [2022-11-23 15:16:10,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:10,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:16:10,191 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:16:10,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1226156957] [2022-11-23 15:16:10,191 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:16:10,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:16:10,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:16:10,193 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:16:10,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:16:10,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-23 15:16:10,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:16:10,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1894 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 15:16:10,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:16:10,899 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-11-23 15:16:10,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:16:10,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:16:10,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917590845] [2022-11-23 15:16:10,900 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:16:10,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226156957] [2022-11-23 15:16:10,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226156957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:16:10,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:16:10,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:16:10,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051786437] [2022-11-23 15:16:10,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:16:10,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:16:10,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:16:10,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:16:10,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:16:10,902 INFO L87 Difference]: Start difference. First operand 279 states and 399 transitions. Second operand has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-23 15:16:11,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:16:11,520 INFO L93 Difference]: Finished difference Result 483 states and 705 transitions. [2022-11-23 15:16:11,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:16:11,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 155 [2022-11-23 15:16:11,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:16:11,524 INFO L225 Difference]: With dead ends: 483 [2022-11-23 15:16:11,524 INFO L226 Difference]: Without dead ends: 279 [2022-11-23 15:16:11,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 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 15:16:11,529 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 0 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:16:11,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1189 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:16:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-11-23 15:16:11,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2022-11-23 15:16:11,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 147 states have (on average 1.1768707482993197) internal successors, (173), 149 states have internal predecessors, (173), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (119), 106 states have call predecessors, (119), 105 states have call successors, (119) [2022-11-23 15:16:11,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 398 transitions. [2022-11-23 15:16:11,554 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 398 transitions. Word has length 155 [2022-11-23 15:16:11,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:16:11,557 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 398 transitions. [2022-11-23 15:16:11,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-23 15:16:11,557 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 398 transitions. [2022-11-23 15:16:11,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-23 15:16:11,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:16:11,561 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:16:11,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:16:11,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:16:11,770 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:16:11,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:16:11,771 INFO L85 PathProgramCache]: Analyzing trace with hash -54764672, now seen corresponding path program 3 times [2022-11-23 15:16:11,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:16:11,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004208765] [2022-11-23 15:16:11,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:16:11,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:16:11,882 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:16:11,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1152673330] [2022-11-23 15:16:11,883 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 15:16:11,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:16:11,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:16:11,884 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:16:11,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24efd7b3-8f01-4199-afc1-54dc33536a6e/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 15:16:12,282 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 15:16:12,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:16:12,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-23 15:16:12,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:16:12,498 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-23 15:16:12,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:16:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-11-23 15:16:12,892 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:16:12,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004208765] [2022-11-23 15:16:12,892 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:16:12,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152673330] [2022-11-23 15:16:12,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152673330] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:16:12,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1243163335] [2022-11-23 15:16:12,918 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2022-11-23 15:16:12,918 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:16:12,922 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:16:12,928 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:16:12,929 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:16:17,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:16:17,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:16:17,984 INFO L217 Elim1Store]: Index analysis took 544 ms [2022-11-23 15:16:35,018 WARN L233 SmtUtils]: Spent 16.95s on a formula simplification. DAG size of input: 1749 DAG size of output: 1163 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:16:35,025 INFO L321 Elim1Store]: treesize reduction 1948, result has 47.2 percent of original size [2022-11-23 15:16:35,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19113 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 194 case distinctions, treesize of input 987 treesize of output 2342 [2022-11-23 15:16:38,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:16:38,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:16:38,864 INFO L217 Elim1Store]: Index analysis took 692 ms [2022-11-23 15:17:08,290 WARN L233 SmtUtils]: Spent 29.37s on a formula simplification. DAG size of input: 2139 DAG size of output: 1167 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:17:08,295 INFO L321 Elim1Store]: treesize reduction 3492, result has 33.3 percent of original size [2022-11-23 15:17:08,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19309 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 388 case distinctions, treesize of input 997 treesize of output 2361 [2022-11-23 15:22:39,933 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 15:22:39,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:39,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:39,940 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 15:22:39,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:39,949 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 15:22:39,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:39,957 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 15:22:45,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,230 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-11-23 15:22:45,236 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 714 treesize of output 362 [2022-11-23 15:22:45,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:45,890 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 15:22:45,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19306 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 1 case distinctions, treesize of input 986 treesize of output 596 [2022-11-23 15:22:46,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:46,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:46,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:46,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:46,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:46,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:46,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:46,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:46,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:46,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:46,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:46,610 INFO L217 Elim1Store]: Index analysis took 150 ms [2022-11-23 15:22:46,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 198 select indices, 198 select index equivalence classes, 17061 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 1779 treesize of output 595 [2022-11-23 15:22:47,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:47,220 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 15:22:47,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:47,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:47,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:47,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:47,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:47,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:47,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:47,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:47,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:47,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:47,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:22:47,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 198 select indices, 198 select index equivalence classes, 17061 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 1779 treesize of output 595 [2022-11-23 15:23:00,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,670 INFO L217 Elim1Store]: Index analysis took 133 ms [2022-11-23 15:23:00,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:23:00,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:00,791 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-23 15:23:00,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 198 select indices, 198 select index equivalence classes, 17068 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 25 case distinctions, treesize of input 1779 treesize of output 599 [2022-11-23 15:23:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:01,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:01,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:01,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:01,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:01,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:01,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:01,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:01,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:01,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:01,531 INFO L217 Elim1Store]: Index analysis took 128 ms [2022-11-23 15:23:01,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 198 select indices, 198 select index equivalence classes, 17061 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 1779 treesize of output 595 [2022-11-23 15:23:02,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:02,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:02,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19504 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 15:23:02,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:02,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:02,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19308 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 15:23:03,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:23:03,408 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 714 treesize of output 362 [2022-11-23 15:23:28,715 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 15:23:28,799 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 42 treesize of output 30 [2022-11-23 15:23:28,853 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 15:23:29,237 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 15:23:29,326 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 15:23:29,378 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 15:23:50,465 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 15:23:50,513 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 15:23:50,587 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 15:23:50,941 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 15:23:50,998 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 15:23:51,074 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 15:23:55,153 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 2375 treesize of output 2365 [2022-11-23 15:23:55,699 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 2379 treesize of output 2358 [2022-11-23 15:23:55,908 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 2375 treesize of output 2365 [2022-11-23 15:23:57,504 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 15:24:18,037 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 15:24:18,044 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 15:24:18,071 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 15:24:18,075 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 15:24:18,110 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 15:24:18,117 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 15:24:18,128 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 15:24:18,144 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 15:24:18,186 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 15:24:18,193 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 15:24:18,224 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:24:18,224 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 15:24:18,290 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:24:18,291 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 15:24:18,305 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 15:24:18,315 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 15:24:18,475 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 15:24:18,494 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 15:24:18,497 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 15:24:18,511 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 15:24:18,514 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 15:24:20,964 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 2371 treesize of output 2343 [2022-11-23 15:24:21,455 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 2339 treesize of output 2315 [2022-11-23 15:24:21,571 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 2323 treesize of output 2295 [2022-11-23 15:24:44,508 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 2371 treesize of output 2343 [2022-11-23 15:24:45,105 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 2339 treesize of output 2315 [2022-11-23 15:24:45,222 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 2323 treesize of output 2295 [2022-11-23 15:29:44,972 INFO L197 IcfgInterpreter]: Interpreting procedure s_sift_down with input of size 708 for LOIs [2022-11-23 15:29:53,228 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 1785 treesize of output 1773 [2022-11-23 15:29:53,322 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 1773 treesize of output 1761 [2022-11-23 15:29:53,416 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 1761 treesize of output 1749 [2022-11-23 15:29:58,879 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 1785 treesize of output 1773 [2022-11-23 15:29:58,973 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 1773 treesize of output 1761 [2022-11-23 15:29:59,069 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 1761 treesize of output 1749 [2022-11-23 15:30:06,946 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 1785 treesize of output 1773 [2022-11-23 15:30:07,043 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 1773 treesize of output 1761 [2022-11-23 15:30:07,141 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 1761 treesize of output 1749 [2022-11-23 15:30:14,079 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 1785 treesize of output 1773 [2022-11-23 15:30:14,178 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 1773 treesize of output 1761 [2022-11-23 15:30:14,283 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 1761 treesize of output 1749 [2022-11-23 15:30:23,090 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 1841 treesize of output 1829 [2022-11-23 15:30:23,188 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 1829 treesize of output 1817 [2022-11-23 15:30:23,285 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 1817 treesize of output 1805 [2022-11-23 15:30:27,160 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 1785 treesize of output 1773 [2022-11-23 15:30:27,301 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 1773 treesize of output 1761 [2022-11-23 15:30:27,404 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 1761 treesize of output 1749 [2022-11-23 15:30:34,657 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 1785 treesize of output 1773 [2022-11-23 15:30:34,751 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 1773 treesize of output 1761 [2022-11-23 15:30:34,850 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 1761 treesize of output 1749