./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh --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 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 --- 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-2329fc7 [2022-12-14 07:00:45,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:00:45,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:00:45,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:00:45,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:00:45,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:00:45,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:00:45,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:00:45,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:00:45,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:00:45,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:00:45,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:00:45,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:00:45,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:00:45,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:00:45,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:00:45,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:00:45,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:00:45,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:00:45,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:00:45,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:00:45,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:00:45,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:00:45,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:00:45,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:00:45,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:00:45,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:00:45,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:00:45,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:00:45,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:00:45,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:00:45,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:00:45,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:00:45,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:00:45,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:00:45,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:00:45,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:00:45,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:00:45,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:00:45,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:00:45,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:00:45,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 07:00:45,703 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:00:45,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:00:45,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:00:45,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:00:45,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:00:45,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:00:45,705 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:00:45,705 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:00:45,705 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:00:45,705 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:00:45,705 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:00:45,706 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:00:45,706 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:00:45,706 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:00:45,706 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:00:45,706 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:00:45,706 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:00:45,707 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:00:45,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:00:45,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:00:45,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:00:45,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:00:45,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:00:45,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:00:45,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:00:45,708 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:00:45,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:00:45,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:00:45,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:00:45,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:00:45,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:00:45,709 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:00:45,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:00:45,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:00:45,710 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:00:45,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:00:45,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:00:45,710 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:00:45,710 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_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00eefb20b1e97d60d3c6a842acdb225be14d327e18edfa8146d29fe131145042 [2022-12-14 07:00:45,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:00:45,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:00:45,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:00:45,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:00:45,898 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:00:45,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2022-12-14 07:00:48,458 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:00:48,832 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:00:48,833 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i [2022-12-14 07:00:48,856 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/data/c4980f5d2/9d549dda27e04f61ac7919e23371139d/FLAGadb25b0ee [2022-12-14 07:00:49,007 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/data/c4980f5d2/9d549dda27e04f61ac7919e23371139d [2022-12-14 07:00:49,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:00:49,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:00:49,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:00:49,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:00:49,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:00:49,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:00:49" (1/1) ... [2022-12-14 07:00:49,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3003b678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:49, skipping insertion in model container [2022-12-14 07:00:49,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:00:49" (1/1) ... [2022-12-14 07:00:49,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:00:49,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:00:49,281 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_e7c683da-fd3a-4162-94f9-633f8d8b9851/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2022-12-14 07:00:49,287 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_e7c683da-fd3a-4162-94f9-633f8d8b9851/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2022-12-14 07:00:49,905 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:49,916 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:49,917 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:49,917 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:49,918 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:49,918 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:49,920 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:49,927 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:49,928 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:49,928 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:49,929 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:49,930 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:49,938 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:49,938 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:49,939 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:49,939 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:49,939 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,004 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:00:50,004 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:00:50,005 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:00:50,010 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 07:00:50,012 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 07:00:50,013 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 07:00:50,251 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 07:00:50,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 07:00:50,253 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 07:00:50,254 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 07:00:50,255 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 07:00:50,256 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 07:00:50,257 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 07:00:50,257 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 07:00:50,258 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 07:00:50,259 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 07:00:50,259 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 07:00:50,385 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 07:00:50,409 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,411 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,414 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,415 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,417 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,419 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,423 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,423 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,424 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,424 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,425 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,425 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,464 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 07:00:50,480 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,481 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,482 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,482 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,482 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,483 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,483 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,483 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 07:00:50,484 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,484 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,485 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,485 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,485 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,485 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,488 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,489 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,489 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,490 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,492 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,493 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,499 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,500 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,500 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:00:50,537 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:00:50,549 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_e7c683da-fd3a-4162-94f9-633f8d8b9851/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4501,4514] [2022-12-14 07:00:50,550 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_e7c683da-fd3a-4162-94f9-633f8d8b9851/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_ref_harness.i[4561,4574] [2022-12-14 07:00:50,579 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,581 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,582 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,582 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,582 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,583 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,584 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,588 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,589 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,589 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,590 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,590 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,591 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,592 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,592 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,592 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,592 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,599 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:00:50,599 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:00:50,599 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:00:50,602 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 07:00:50,603 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 07:00:50,604 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 07:00:50,621 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 07:00:50,622 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 07:00:50,623 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 07:00:50,624 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 07:00:50,624 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 07:00:50,625 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 07:00:50,626 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 07:00:50,626 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 07:00:50,626 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 07:00:50,627 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 07:00:50,627 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 07:00:50,645 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 07:00:50,657 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,659 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,661 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,662 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,663 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,664 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,665 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,666 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,666 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,667 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,667 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,667 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:00:50,691 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 07:00:50,695 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,695 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,696 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,696 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,696 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,696 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,697 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,697 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 07:00:50,697 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,697 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,698 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,698 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,698 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,698 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,699 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,699 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,699 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,700 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,702 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,702 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,707 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,708 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,708 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:00:50,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:00:50,897 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:00:50,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50 WrapperNode [2022-12-14 07:00:50,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:00:50,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:00:50,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:00:50,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:00:50,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50" (1/1) ... [2022-12-14 07:00:50,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50" (1/1) ... [2022-12-14 07:00:50,995 INFO L138 Inliner]: procedures = 697, calls = 1879, calls flagged for inlining = 58, calls inlined = 17, statements flattened = 1144 [2022-12-14 07:00:50,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:00:50,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:00:50,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:00:50,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:00:51,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50" (1/1) ... [2022-12-14 07:00:51,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50" (1/1) ... [2022-12-14 07:00:51,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50" (1/1) ... [2022-12-14 07:00:51,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50" (1/1) ... [2022-12-14 07:00:51,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50" (1/1) ... [2022-12-14 07:00:51,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50" (1/1) ... [2022-12-14 07:00:51,047 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50" (1/1) ... [2022-12-14 07:00:51,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50" (1/1) ... [2022-12-14 07:00:51,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:00:51,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:00:51,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:00:51,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:00:51,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50" (1/1) ... [2022-12-14 07:00:51,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:00:51,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:00:51,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:00:51,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:00:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-12-14 07:00:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-12-14 07:00:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2022-12-14 07:00:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2022-12-14 07:00:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-12-14 07:00:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-12-14 07:00:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:00:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 07:00:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 07:00:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 07:00:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 07:00:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 07:00:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 07:00:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-12-14 07:00:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-12-14 07:00:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-12-14 07:00:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-12-14 07:00:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:00:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 07:00:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 07:00:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:00:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:00:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:00:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:00:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:00:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-12-14 07:00:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-12-14 07:00:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 07:00:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 07:00:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:00:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:00:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 07:00:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 07:00:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 07:00:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 07:00:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 07:00:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 07:00:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-12-14 07:00:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-12-14 07:00:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-12-14 07:00:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-12-14 07:00:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 07:00:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 07:00:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:00:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:00:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 07:00:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 07:00:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 07:00:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 07:00:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2022-12-14 07:00:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2022-12-14 07:00:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-12-14 07:00:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-12-14 07:00:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:00:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-12-14 07:00:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-12-14 07:00:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:00:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:00:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_push_ref [2022-12-14 07:00:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_push_ref [2022-12-14 07:00:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-12-14 07:00:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-12-14 07:00:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 07:00:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 07:00:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 07:00:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 07:00:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-12-14 07:00:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-12-14 07:00:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:00:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 07:00:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 07:00:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2022-12-14 07:00:51,127 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2022-12-14 07:00:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-12-14 07:00:51,127 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-12-14 07:00:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 07:00:51,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 07:00:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:00:51,394 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:00:51,396 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:00:52,590 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:00:52,865 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:00:52,865 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 07:00:52,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:00:52 BoogieIcfgContainer [2022-12-14 07:00:52,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:00:52,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:00:52,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:00:52,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:00:52,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:00:49" (1/3) ... [2022-12-14 07:00:52,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41990882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:00:52, skipping insertion in model container [2022-12-14 07:00:52,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:00:50" (2/3) ... [2022-12-14 07:00:52,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41990882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:00:52, skipping insertion in model container [2022-12-14 07:00:52,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:00:52" (3/3) ... [2022-12-14 07:00:52,876 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_ref_harness.i [2022-12-14 07:00:52,892 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:00:52,892 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 07:00:52,936 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:00:52,942 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;@b6ccf51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:00:52,942 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 07:00:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 461 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2022-12-14 07:00:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 07:00:52,963 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:00:52,964 INFO L195 NwaCegarLoop]: trace histogram [11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:00:52,965 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:00:52,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:00:52,968 INFO L85 PathProgramCache]: Analyzing trace with hash 306436275, now seen corresponding path program 1 times [2022-12-14 07:00:52,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:00:52,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999340306] [2022-12-14 07:00:52,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:00:52,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:00:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:00:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-12-14 07:00:53,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:00:53,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999340306] [2022-12-14 07:00:53,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999340306] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:00:53,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494629359] [2022-12-14 07:00:53,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:00:53,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:00:53,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:00:53,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:00:53,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:00:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:00:54,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:00:54,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:00:54,180 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-14 07:00:54,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:00:54,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494629359] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:00:54,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:00:54,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 07:00:54,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491161411] [2022-12-14 07:00:54,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:00:54,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:00:54,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:00:54,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:00:54,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:00:54,223 INFO L87 Difference]: Start difference. First operand has 461 states, 233 states have (on average 1.201716738197425) internal successors, (280), 236 states have internal predecessors, (280), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 07:00:54,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:00:54,818 INFO L93 Difference]: Finished difference Result 895 states and 1358 transitions. [2022-12-14 07:00:54,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:00:54,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 123 [2022-12-14 07:00:54,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:00:54,834 INFO L225 Difference]: With dead ends: 895 [2022-12-14 07:00:54,834 INFO L226 Difference]: Without dead ends: 460 [2022-12-14 07:00:54,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-14 07:00:54,845 INFO L413 NwaCegarLoop]: 600 mSDtfsCounter, 18 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:00:54,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 2341 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 07:00:54,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-12-14 07:00:54,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 460. [2022-12-14 07:00:54,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 232 states have (on average 1.1896551724137931) internal successors, (276), 235 states have internal predecessors, (276), 193 states have call successors, (193), 33 states have call predecessors, (193), 33 states have return successors, (199), 191 states have call predecessors, (199), 191 states have call successors, (199) [2022-12-14 07:00:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 668 transitions. [2022-12-14 07:00:54,927 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 668 transitions. Word has length 123 [2022-12-14 07:00:54,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:00:54,927 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 668 transitions. [2022-12-14 07:00:54,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-12-14 07:00:54,928 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 668 transitions. [2022-12-14 07:00:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 07:00:54,931 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:00:54,931 INFO L195 NwaCegarLoop]: trace histogram [11, 4, 4, 4, 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] [2022-12-14 07:00:54,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:00:55,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 07:00:55,134 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:00:55,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:00:55,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1639957758, now seen corresponding path program 1 times [2022-12-14 07:00:55,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:00:55,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309906538] [2022-12-14 07:00:55,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:00:55,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:00:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:00:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-14 07:00:55,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:00:55,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309906538] [2022-12-14 07:00:55,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309906538] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:00:55,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070235851] [2022-12-14 07:00:55,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:00:55,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:00:55,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:00:55,674 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:00:55,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:00:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:00:56,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 2426 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 07:00:56,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:00:56,185 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-14 07:00:56,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:00:56,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070235851] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:00:56,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:00:56,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-12-14 07:00:56,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860366310] [2022-12-14 07:00:56,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:00:56,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 07:00:56,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:00:56,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 07:00:56,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-12-14 07:00:56,188 INFO L87 Difference]: Start difference. First operand 460 states and 668 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-12-14 07:00:56,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:00:56,871 INFO L93 Difference]: Finished difference Result 905 states and 1354 transitions. [2022-12-14 07:00:56,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:00:56,872 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 131 [2022-12-14 07:00:56,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:00:56,875 INFO L225 Difference]: With dead ends: 905 [2022-12-14 07:00:56,875 INFO L226 Difference]: Without dead ends: 473 [2022-12-14 07:00:56,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-12-14 07:00:56,877 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 36 mSDsluCounter, 2709 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 3277 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:00:56,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 3277 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 07:00:56,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2022-12-14 07:00:56,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 471. [2022-12-14 07:00:56,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-12-14 07:00:56,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-12-14 07:00:56,905 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 131 [2022-12-14 07:00:56,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:00:56,905 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-12-14 07:00:56,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2022-12-14 07:00:56,905 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-12-14 07:00:56,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-14 07:00:56,907 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:00:56,907 INFO L195 NwaCegarLoop]: trace histogram [11, 4, 4, 3, 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] [2022-12-14 07:00:56,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:00:57,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-14 07:00:57,108 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:00:57,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:00:57,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1521789257, now seen corresponding path program 1 times [2022-12-14 07:00:57,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:00:57,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576403321] [2022-12-14 07:00:57,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:00:57,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:00:57,167 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:00:57,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555023629] [2022-12-14 07:00:57,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:00:57,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:00:57,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:00:57,168 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:00:57,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:00:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:00:57,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 2558 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 07:00:57,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:00:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-14 07:00:57,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:00:57,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:00:57,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576403321] [2022-12-14 07:00:57,658 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:00:57,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555023629] [2022-12-14 07:00:57,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555023629] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:00:57,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:00:57,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:00:57,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607475158] [2022-12-14 07:00:57,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:00:57,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:00:57,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:00:57,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:00:57,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:00:57,660 INFO L87 Difference]: Start difference. First operand 471 states and 714 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-12-14 07:00:58,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:00:58,114 INFO L93 Difference]: Finished difference Result 922 states and 1420 transitions. [2022-12-14 07:00:58,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:00:58,114 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 140 [2022-12-14 07:00:58,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:00:58,117 INFO L225 Difference]: With dead ends: 922 [2022-12-14 07:00:58,118 INFO L226 Difference]: Without dead ends: 479 [2022-12-14 07:00:58,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 07:00:58,121 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 29 mSDsluCounter, 2304 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2902 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:00:58,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2902 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 07:00:58,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2022-12-14 07:00:58,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 471. [2022-12-14 07:00:58,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-12-14 07:00:58,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-12-14 07:00:58,155 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 140 [2022-12-14 07:00:58,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:00:58,156 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-12-14 07:00:58,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-12-14 07:00:58,156 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-12-14 07:00:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-14 07:00:58,159 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:00:58,159 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 4, 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, 1, 1] [2022-12-14 07:00:58,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 07:00:58,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:00:58,360 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:00:58,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:00:58,362 INFO L85 PathProgramCache]: Analyzing trace with hash -651730504, now seen corresponding path program 1 times [2022-12-14 07:00:58,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:00:58,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347219422] [2022-12-14 07:00:58,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:00:58,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:00:58,478 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:00:58,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1424330360] [2022-12-14 07:00:58,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:00:58,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:00:58,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:00:58,479 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:00:58,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 07:00:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:00:58,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 2612 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 07:00:58,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:00:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-12-14 07:00:58,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:00:58,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:00:58,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347219422] [2022-12-14 07:00:58,986 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:00:58,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424330360] [2022-12-14 07:00:58,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424330360] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:00:58,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:00:58,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 07:00:58,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534593732] [2022-12-14 07:00:58,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:00:58,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:00:58,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:00:58,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:00:58,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:00:58,989 INFO L87 Difference]: Start difference. First operand 471 states and 714 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2022-12-14 07:00:59,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:00:59,739 INFO L93 Difference]: Finished difference Result 924 states and 1417 transitions. [2022-12-14 07:00:59,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 07:00:59,740 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) Word has length 148 [2022-12-14 07:00:59,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:00:59,743 INFO L225 Difference]: With dead ends: 924 [2022-12-14 07:00:59,743 INFO L226 Difference]: Without dead ends: 481 [2022-12-14 07:00:59,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-14 07:00:59,746 INFO L413 NwaCegarLoop]: 566 mSDtfsCounter, 52 mSDsluCounter, 3236 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 3802 SdHoareTripleChecker+Invalid, 839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:00:59,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 3802 Invalid, 839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 07:00:59,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-12-14 07:00:59,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 471. [2022-12-14 07:00:59,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (233), 194 states have call predecessors, (233), 193 states have call successors, (233) [2022-12-14 07:00:59,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 714 transitions. [2022-12-14 07:00:59,775 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 714 transitions. Word has length 148 [2022-12-14 07:00:59,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:00:59,775 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 714 transitions. [2022-12-14 07:00:59,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2022-12-14 07:00:59,776 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 714 transitions. [2022-12-14 07:00:59,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-12-14 07:00:59,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:00:59,778 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 2, 2, 2, 2, 2, 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] [2022-12-14 07:00:59,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 07:00:59,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:00:59,980 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:00:59,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:00:59,981 INFO L85 PathProgramCache]: Analyzing trace with hash -740363937, now seen corresponding path program 2 times [2022-12-14 07:00:59,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:00:59,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855721817] [2022-12-14 07:00:59,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:00:59,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:00,069 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:01:00,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690904530] [2022-12-14 07:01:00,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 07:01:00,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:01:00,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:01:00,071 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:01:00,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 07:01:00,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 07:01:00,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:01:00,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 07:01:00,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:01:00,676 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-12-14 07:01:00,677 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:01:00,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:00,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855721817] [2022-12-14 07:01:00,677 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:01:00,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690904530] [2022-12-14 07:01:00,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690904530] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:01:00,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:01:00,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:01:00,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462884586] [2022-12-14 07:01:00,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:01:00,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:01:00,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:01:00,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:01:00,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:01:00,678 INFO L87 Difference]: Start difference. First operand 471 states and 714 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, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 07:01:01,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:01:01,383 INFO L93 Difference]: Finished difference Result 894 states and 1373 transitions. [2022-12-14 07:01:01,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:01:01,383 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, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 157 [2022-12-14 07:01:01,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:01:01,388 INFO L225 Difference]: With dead ends: 894 [2022-12-14 07:01:01,388 INFO L226 Difference]: Without dead ends: 471 [2022-12-14 07:01:01,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:01:01,390 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 0 mSDsluCounter, 1639 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2211 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:01:01,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2211 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 07:01:01,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-12-14 07:01:01,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 471. [2022-12-14 07:01:01,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 240 states have (on average 1.1916666666666667) internal successors, (286), 243 states have internal predecessors, (286), 195 states have call successors, (195), 33 states have call predecessors, (195), 34 states have return successors, (232), 194 states have call predecessors, (232), 193 states have call successors, (232) [2022-12-14 07:01:01,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 713 transitions. [2022-12-14 07:01:01,406 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 713 transitions. Word has length 157 [2022-12-14 07:01:01,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:01:01,406 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 713 transitions. [2022-12-14 07:01:01,406 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, (30), 2 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 07:01:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 713 transitions. [2022-12-14 07:01:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-12-14 07:01:01,408 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:01:01,408 INFO L195 NwaCegarLoop]: trace histogram [11, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:01:01,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 07:01:01,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:01:01,610 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:01:01,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:01:01,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1390540006, now seen corresponding path program 3 times [2022-12-14 07:01:01,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:01:01,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19856941] [2022-12-14 07:01:01,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:01,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:01,718 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:01:01,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1281715318] [2022-12-14 07:01:01,719 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 07:01:01,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:01:01,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:01:01,720 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:01:01,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 07:01:02,024 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 07:01:02,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:01:02,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 07:01:02,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:01:02,077 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-12-14 07:01:02,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:01:02,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:02,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19856941] [2022-12-14 07:01:02,078 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:01:02,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281715318] [2022-12-14 07:01:02,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281715318] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:01:02,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:01:02,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 07:01:02,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728415438] [2022-12-14 07:01:02,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:01:02,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:01:02,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:01:02,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:01:02,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:01:02,080 INFO L87 Difference]: Start difference. First operand 471 states and 713 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-12-14 07:01:03,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:01:03,075 INFO L93 Difference]: Finished difference Result 987 states and 1512 transitions. [2022-12-14 07:01:03,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 07:01:03,075 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 166 [2022-12-14 07:01:03,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:01:03,079 INFO L225 Difference]: With dead ends: 987 [2022-12-14 07:01:03,080 INFO L226 Difference]: Without dead ends: 560 [2022-12-14 07:01:03,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-14 07:01:03,082 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 100 mSDsluCounter, 3520 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 4158 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:01:03,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 4158 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 07:01:03,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-12-14 07:01:03,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 544. [2022-12-14 07:01:03,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 282 states have (on average 1.2056737588652482) internal successors, (340), 287 states have internal predecessors, (340), 224 states have call successors, (224), 34 states have call predecessors, (224), 36 states have return successors, (275), 222 states have call predecessors, (275), 222 states have call successors, (275) [2022-12-14 07:01:03,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 839 transitions. [2022-12-14 07:01:03,123 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 839 transitions. Word has length 166 [2022-12-14 07:01:03,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:01:03,124 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 839 transitions. [2022-12-14 07:01:03,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-12-14 07:01:03,124 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 839 transitions. [2022-12-14 07:01:03,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-12-14 07:01:03,126 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:01:03,127 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:01:03,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 07:01:03,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:01:03,327 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:01:03,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:01:03,328 INFO L85 PathProgramCache]: Analyzing trace with hash 245805105, now seen corresponding path program 1 times [2022-12-14 07:01:03,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:01:03,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133617089] [2022-12-14 07:01:03,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:03,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:03,391 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:01:03,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2052767963] [2022-12-14 07:01:03,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:03,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:01:03,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:01:03,392 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:01:03,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 07:01:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:01:03,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 2926 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 07:01:03,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:01:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-14 07:01:03,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:01:03,930 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:03,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133617089] [2022-12-14 07:01:03,930 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:01:03,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052767963] [2022-12-14 07:01:03,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052767963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:01:03,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:01:03,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 07:01:03,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865408131] [2022-12-14 07:01:03,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:01:03,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 07:01:03,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:01:03,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 07:01:03,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-14 07:01:03,932 INFO L87 Difference]: Start difference. First operand 544 states and 839 transitions. Second operand has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-12-14 07:01:04,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:01:04,733 INFO L93 Difference]: Finished difference Result 986 states and 1521 transitions. [2022-12-14 07:01:04,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 07:01:04,733 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 174 [2022-12-14 07:01:04,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:01:04,736 INFO L225 Difference]: With dead ends: 986 [2022-12-14 07:01:04,736 INFO L226 Difference]: Without dead ends: 481 [2022-12-14 07:01:04,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-12-14 07:01:04,738 INFO L413 NwaCegarLoop]: 562 mSDtfsCounter, 103 mSDsluCounter, 3633 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 4195 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:01:04,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 4195 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 07:01:04,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2022-12-14 07:01:04,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2022-12-14 07:01:04,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 246 states have (on average 1.1910569105691058) internal successors, (293), 249 states have internal predecessors, (293), 196 states have call successors, (196), 33 states have call predecessors, (196), 35 states have return successors, (237), 196 states have call predecessors, (237), 194 states have call successors, (237) [2022-12-14 07:01:04,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 726 transitions. [2022-12-14 07:01:04,754 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 726 transitions. Word has length 174 [2022-12-14 07:01:04,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:01:04,755 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 726 transitions. [2022-12-14 07:01:04,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2022-12-14 07:01:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 726 transitions. [2022-12-14 07:01:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-12-14 07:01:04,757 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:01:04,757 INFO L195 NwaCegarLoop]: trace histogram [11, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:01:04,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 07:01:04,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-12-14 07:01:04,959 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:01:04,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:01:04,960 INFO L85 PathProgramCache]: Analyzing trace with hash -494548296, now seen corresponding path program 2 times [2022-12-14 07:01:04,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:01:04,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532961912] [2022-12-14 07:01:04,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:04,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:05,082 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:01:05,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1568476655] [2022-12-14 07:01:05,083 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 07:01:05,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:01:05,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:01:05,084 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:01:05,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7c683da-fd3a-4162-94f9-633f8d8b9851/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 07:01:05,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 07:01:05,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:01:05,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 2013 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 07:01:05,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:01:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-12-14 07:01:05,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:01:05,828 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-12-14 07:01:05,828 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:05,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532961912] [2022-12-14 07:01:05,828 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:01:05,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568476655] [2022-12-14 07:01:05,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568476655] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:01:05,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1185342093] [2022-12-14 07:01:05,847 INFO L159 IcfgInterpreter]: Started Sifa with 90 locations of interest [2022-12-14 07:01:05,847 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:01:05,850 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:01:05,854 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:01:05,854 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:01:08,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:01:09,053 INFO L217 Elim1Store]: Index analysis took 313 ms [2022-12-14 07:01:22,335 WARN L233 SmtUtils]: Spent 13.24s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:01:22,339 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-12-14 07:01:22,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-12-14 07:01:24,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:01:25,271 INFO L217 Elim1Store]: Index analysis took 602 ms [2022-12-14 07:01:42,163 WARN L233 SmtUtils]: Spent 16.86s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 07:01:42,166 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-12-14 07:01:42,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-12-14 07:03:12,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:12,887 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 [2022-12-14 07:03:12,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:12,892 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 [2022-12-14 07:03:12,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:12,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:12,902 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 [2022-12-14 07:03:12,909 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 [2022-12-14 07:03:16,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:16,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 07:03:16,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:16,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:16,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:16,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:16,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:16,676 INFO L217 Elim1Store]: Index analysis took 112 ms [2022-12-14 07:03:16,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 07:03:17,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,099 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 [2022-12-14 07:03:17,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-12-14 07:03:17,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:17,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 07:03:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:25,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:25,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:25,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:25,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 07:03:26,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-12-14 07:03:26,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:26,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 07:03:27,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:27,143 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 [2022-12-14 07:03:27,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:03:27,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 07:03:44,155 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 [2022-12-14 07:03:44,194 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 [2022-12-14 07:03:44,307 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 [2022-12-14 07:03:44,545 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 [2022-12-14 07:03:44,585 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 [2022-12-14 07:03:44,698 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 [2022-12-14 07:04:00,201 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 [2022-12-14 07:04:00,246 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 [2022-12-14 07:04:00,298 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 [2022-12-14 07:04:00,589 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 [2022-12-14 07:04:00,636 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 [2022-12-14 07:04:00,686 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 [2022-12-14 07:04:03,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-12-14 07:04:03,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-12-14 07:04:04,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2175 treesize of output 2154 [2022-12-14 07:04:05,116 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 [2022-12-14 07:04:18,441 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 [2022-12-14 07:04:18,447 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 [2022-12-14 07:04:18,469 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 [2022-12-14 07:04:18,472 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 [2022-12-14 07:04:18,496 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 [2022-12-14 07:04:18,502 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 [2022-12-14 07:04:18,507 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 [2022-12-14 07:04:18,513 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 [2022-12-14 07:04:18,539 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 [2022-12-14 07:04:18,561 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:04:18,561 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 [2022-12-14 07:04:18,569 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 [2022-12-14 07:04:18,603 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 [2022-12-14 07:04:18,624 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:04:18,624 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 [2022-12-14 07:04:18,632 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 [2022-12-14 07:04:18,665 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 [2022-12-14 07:04:18,741 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 [2022-12-14 07:04:18,744 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 [2022-12-14 07:04:18,755 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 [2022-12-14 07:04:18,758 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 [2022-12-14 07:04:20,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-12-14 07:04:20,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2143 treesize of output 2115 [2022-12-14 07:04:20,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2111 treesize of output 2087 [2022-12-14 07:04:37,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-12-14 07:04:37,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2143 treesize of output 2115 [2022-12-14 07:04:37,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2111 treesize of output 2087 [2022-12-14 07:05:35,346 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2895 for LOIs [2022-12-14 07:05:50,025 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 693 for LOIs [2022-12-14 07:05:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:05:55,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:05:55,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:05:55,072 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 07:05:55,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-12-14 07:05:55,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:05:55,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:05:55,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:05:55,276 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 07:05:55,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-12-14 07:05:55,459 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 1855 treesize of output 1831 [2022-12-14 07:06:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:06:00,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:06:00,498 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 07:06:00,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-12-14 07:06:00,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:06:00,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:06:00,702 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 07:06:00,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-12-14 07:06:00,880 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 1855 treesize of output 1831 [2022-12-14 07:06:05,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:06:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:06:05,565 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:06:05,584 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 07:06:05,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1943 treesize of output 1903 [2022-12-14 07:06:05,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:06:05,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:06:05,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:06:05,787 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-14 07:06:05,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1899 treesize of output 1859 [2022-12-14 07:06:05,972 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 1855 treesize of output 1831 [2022-12-14 07:06:08,927 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 743 for LOIs [2022-12-14 07:06:14,560 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-12-14 07:06:14,671 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-12-14 07:06:23,676 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-12-14 07:06:23,795 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-12-14 07:06:31,529 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 [2022-12-14 07:06:33,074 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 1928 treesize of output 1928 [2022-12-14 07:06:33,203 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 1922 treesize of output 1918 [2022-12-14 07:06:37,242 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 726 for LOIs [2022-12-14 07:06:55,726 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 715 for LOIs [2022-12-14 07:06:57,404 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2963 for LOIs [2022-12-14 07:08:28,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:08:28,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 07:08:28,047 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 [2022-12-14 07:08:28,056 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 [2022-12-14 07:08:53,591 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-12-14 07:08:53,594 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-12-14 07:08:53,601 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 91 for LOIs [2022-12-14 07:08:53,983 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 43 for LOIs [2022-12-14 07:08:53,985 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:10:58,651 WARN L233 SmtUtils]: Spent 2.07m on a formula simplification. DAG size of input: 2825 DAG size of output: 2437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:13:56,105 WARN L233 SmtUtils]: Spent 2.95m on a formula simplification. DAG size of input: 2895 DAG size of output: 2433 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)