./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur --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 723ac1839b12f7ec2d51e01d6b07ab9cd6a1336eb9a801e97d56c2782f32ef5c --- 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-38b53e6 [2022-11-26 00:49:21,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:49:21,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:49:21,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:49:21,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:49:21,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:49:21,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:49:21,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:49:21,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:49:21,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:49:21,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:49:21,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:49:21,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:49:21,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:49:21,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:49:21,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:49:21,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:49:21,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:49:21,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:49:21,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:49:21,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:49:21,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:49:21,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:49:21,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:49:21,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:49:21,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:49:21,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:49:21,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:49:21,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:49:21,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:49:21,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:49:21,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:49:21,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:49:21,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:49:21,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:49:21,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:49:21,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:49:21,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:49:21,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:49:21,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:49:21,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:49:21,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:49:21,755 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:49:21,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:49:21,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:49:21,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:49:21,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:49:21,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:49:21,758 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:49:21,758 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:49:21,758 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:49:21,759 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:49:21,760 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:49:21,760 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:49:21,760 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:49:21,761 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:49:21,761 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:49:21,761 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:49:21,761 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:49:21,762 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:49:21,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:49:21,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:49:21,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:49:21,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:49:21,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:49:21,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:49:21,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:49:21,764 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:49:21,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:49:21,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:49:21,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:49:21,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:49:21,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:49:21,767 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:49:21,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:49:21,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:49:21,767 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:49:21,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:49:21,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:49:21,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:49:21,769 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_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 723ac1839b12f7ec2d51e01d6b07ab9cd6a1336eb9a801e97d56c2782f32ef5c [2022-11-26 00:49:22,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:49:22,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:49:22,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:49:22,103 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:49:22,103 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:49:22,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2022-11-26 00:49:25,239 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:49:25,816 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:49:25,819 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2022-11-26 00:49:25,858 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/data/b55842cf3/fbf1d05306fc4f4383054e54e0edaa8b/FLAGaefc93d72 [2022-11-26 00:49:25,904 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/data/b55842cf3/fbf1d05306fc4f4383054e54e0edaa8b [2022-11-26 00:49:25,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:49:25,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:49:25,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:49:25,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:49:25,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:49:25,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:49:25" (1/1) ... [2022-11-26 00:49:25,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc8d15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:25, skipping insertion in model container [2022-11-26 00:49:25,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:49:25" (1/1) ... [2022-11-26 00:49:25,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:49:26,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:49:26,357 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_638ae610-5b44-4882-9123-67aef60e4e94/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4502,4515] [2022-11-26 00:49:26,368 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_638ae610-5b44-4882-9123-67aef60e4e94/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4562,4575] [2022-11-26 00:49:27,374 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:27,380 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,381 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,382 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,382 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,384 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,387 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:27,399 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,400 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:27,400 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,402 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,403 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,406 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,407 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:27,407 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,408 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,408 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:27,490 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:49:27,491 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:49:27,492 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:49:27,497 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:49:27,499 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:49:27,500 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:49:27,839 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:49:27,846 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:49:27,849 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:49:27,852 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:49:27,855 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:49:27,857 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:49:27,860 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:49:27,861 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:49:27,862 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:49:27,863 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:49:27,878 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:49:28,065 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:49:28,088 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,089 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,094 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,097 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,099 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,101 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,102 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,104 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,109 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,109 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,110 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,110 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,111 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,111 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,155 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:49:28,171 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,172 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,172 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,172 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,172 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,173 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,173 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,173 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:49:28,174 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,174 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,175 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,175 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,176 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,176 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,179 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,180 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,180 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,180 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,184 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,185 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,194 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,195 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,195 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:49:28,240 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:49:28,256 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_638ae610-5b44-4882-9123-67aef60e4e94/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4502,4515] [2022-11-26 00:49:28,257 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_638ae610-5b44-4882-9123-67aef60e4e94/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i[4562,4575] [2022-11-26 00:49:28,330 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,333 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,334 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,334 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,335 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,335 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,337 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,356 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,356 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,357 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,358 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,358 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,359 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,367 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,369 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,371 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,372 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,380 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:49:28,382 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:49:28,383 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:49:28,388 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:49:28,390 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:49:28,390 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:49:28,440 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:49:28,441 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:49:28,442 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:49:28,442 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:49:28,443 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:49:28,445 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:49:28,445 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:49:28,447 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:49:28,448 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:49:28,448 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:49:28,449 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:49:28,492 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:49:28,520 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,525 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,527 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,529 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,532 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,533 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,535 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,537 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,538 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,539 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,539 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,540 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,541 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,584 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-11-26 00:49:28,611 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:49:28,617 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,619 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,619 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,620 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,621 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,621 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,622 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,622 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:49:28,622 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,623 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,623 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,623 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,624 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,624 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,625 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,626 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,627 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,632 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,636 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,636 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,644 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,645 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,646 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:49:28,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:49:28,958 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:49:28,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28 WrapperNode [2022-11-26 00:49:28,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:49:28,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:49:28,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:49:28,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:49:28,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28" (1/1) ... [2022-11-26 00:49:29,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28" (1/1) ... [2022-11-26 00:49:29,138 INFO L138 Inliner]: procedures = 697, calls = 1886, calls flagged for inlining = 61, calls inlined = 14, statements flattened = 814 [2022-11-26 00:49:29,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:49:29,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:49:29,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:49:29,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:49:29,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28" (1/1) ... [2022-11-26 00:49:29,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28" (1/1) ... [2022-11-26 00:49:29,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28" (1/1) ... [2022-11-26 00:49:29,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28" (1/1) ... [2022-11-26 00:49:29,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28" (1/1) ... [2022-11-26 00:49:29,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28" (1/1) ... [2022-11-26 00:49:29,255 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28" (1/1) ... [2022-11-26 00:49:29,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28" (1/1) ... [2022-11-26 00:49:29,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:49:29,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:49:29,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:49:29,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:49:29,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28" (1/1) ... [2022-11-26 00:49:29,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:49:29,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:49:29,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:49:29,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:49:29,371 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-26 00:49:29,372 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-26 00:49:29,372 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-26 00:49:29,372 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-26 00:49:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:49:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-26 00:49:29,373 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-26 00:49:29,373 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-26 00:49:29,374 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-26 00:49:29,374 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-26 00:49:29,375 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-26 00:49:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2022-11-26 00:49:29,375 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2022-11-26 00:49:29,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:49:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-26 00:49:29,376 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-26 00:49:29,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:49:29,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:49:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:49:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:49:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:49:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2022-11-26 00:49:29,377 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2022-11-26 00:49:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-26 00:49:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-26 00:49:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:49:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:49:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-26 00:49:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-26 00:49:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-26 00:49:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-26 00:49:29,379 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-26 00:49:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-26 00:49:29,379 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-26 00:49:29,379 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-26 00:49:29,379 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-26 00:49:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-26 00:49:29,380 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:49:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:49:29,380 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-26 00:49:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-26 00:49:29,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:49:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:49:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:49:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-26 00:49:29,381 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-26 00:49:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-26 00:49:29,381 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-26 00:49:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-26 00:49:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-26 00:49:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:49:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-26 00:49:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-26 00:49:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-26 00:49:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-26 00:49:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:49:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:49:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:49:29,885 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:49:29,887 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:49:31,350 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:49:31,659 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:49:31,659 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-26 00:49:31,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:49:31 BoogieIcfgContainer [2022-11-26 00:49:31,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:49:31,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:49:31,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:49:31,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:49:31,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:49:25" (1/3) ... [2022-11-26 00:49:31,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2898f538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:49:31, skipping insertion in model container [2022-11-26 00:49:31,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:49:28" (2/3) ... [2022-11-26 00:49:31,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2898f538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:49:31, skipping insertion in model container [2022-11-26 00:49:31,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:49:31" (3/3) ... [2022-11-26 00:49:31,676 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_up_harness.i [2022-11-26 00:49:31,697 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:49:31,698 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 00:49:31,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:49:31,781 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;@593320c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:49:31,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 00:49:31,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 252 states, 131 states have (on average 1.2213740458015268) internal successors, (160), 134 states have internal predecessors, (160), 95 states have call successors, (95), 23 states have call predecessors, (95), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2022-11-26 00:49:31,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-26 00:49:31,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:31,800 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:49:31,800 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:49:31,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:31,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1656000423, now seen corresponding path program 1 times [2022-11-26 00:49:31,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:31,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178599051] [2022-11-26 00:49:31,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:31,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:49:32,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:32,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178599051] [2022-11-26 00:49:32,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178599051] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:49:32,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210735097] [2022-11-26 00:49:32,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:32,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:32,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:49:32,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:49:32,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:49:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:33,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 2163 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:49:33,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:49:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-26 00:49:33,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:49:33,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210735097] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:33,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:49:33,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-26 00:49:33,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102910839] [2022-11-26 00:49:33,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:33,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:49:33,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:33,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:49:33,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:49:33,767 INFO L87 Difference]: Start difference. First operand has 252 states, 131 states have (on average 1.2213740458015268) internal successors, (160), 134 states have internal predecessors, (160), 95 states have call successors, (95), 23 states have call predecessors, (95), 23 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 00:49:34,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:49:34,564 INFO L93 Difference]: Finished difference Result 475 states and 690 transitions. [2022-11-26 00:49:34,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:49:34,569 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 79 [2022-11-26 00:49:34,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:49:34,584 INFO L225 Difference]: With dead ends: 475 [2022-11-26 00:49:34,585 INFO L226 Difference]: Without dead ends: 251 [2022-11-26 00:49:34,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:49:34,607 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 32 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:49:34,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 1123 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:49:34,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-11-26 00:49:34,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2022-11-26 00:49:34,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 131 states have (on average 1.1908396946564885) internal successors, (156), 134 states have internal predecessors, (156), 95 states have call successors, (95), 23 states have call predecessors, (95), 23 states have return successors, (97), 93 states have call predecessors, (97), 93 states have call successors, (97) [2022-11-26 00:49:34,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 348 transitions. [2022-11-26 00:49:34,715 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 348 transitions. Word has length 79 [2022-11-26 00:49:34,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:49:34,717 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 348 transitions. [2022-11-26 00:49:34,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-26 00:49:34,717 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 348 transitions. [2022-11-26 00:49:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-26 00:49:34,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:34,722 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:49:34,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:49:34,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-26 00:49:34,934 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:49:34,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:34,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1931480043, now seen corresponding path program 1 times [2022-11-26 00:49:34,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:34,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877021364] [2022-11-26 00:49:34,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:34,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-26 00:49:35,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:35,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877021364] [2022-11-26 00:49:35,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877021364] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:49:35,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078681611] [2022-11-26 00:49:35,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:35,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:35,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:49:35,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:49:35,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:49:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:36,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 2213 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:49:36,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:49:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-26 00:49:36,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:49:36,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078681611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:36,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:49:36,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-26 00:49:36,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685204822] [2022-11-26 00:49:36,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:36,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 00:49:36,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:36,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 00:49:36,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-26 00:49:36,509 INFO L87 Difference]: Start difference. First operand 251 states and 348 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 4 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-26 00:49:37,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:49:37,507 INFO L93 Difference]: Finished difference Result 485 states and 688 transitions. [2022-11-26 00:49:37,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:49:37,508 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 4 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 87 [2022-11-26 00:49:37,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:49:37,512 INFO L225 Difference]: With dead ends: 485 [2022-11-26 00:49:37,512 INFO L226 Difference]: Without dead ends: 264 [2022-11-26 00:49:37,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:49:37,515 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 47 mSDsluCounter, 1345 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:49:37,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1633 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:49:37,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-11-26 00:49:37,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 262. [2022-11-26 00:49:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 142 states have internal predecessors, (166), 97 states have call successors, (97), 23 states have call predecessors, (97), 24 states have return successors, (110), 96 states have call predecessors, (110), 95 states have call successors, (110) [2022-11-26 00:49:37,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2022-11-26 00:49:37,571 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 87 [2022-11-26 00:49:37,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:49:37,573 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2022-11-26 00:49:37,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 4 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2022-11-26 00:49:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2022-11-26 00:49:37,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-26 00:49:37,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:37,580 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:49:37,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:49:37,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-26 00:49:37,781 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:49:37,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:37,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1655956311, now seen corresponding path program 1 times [2022-11-26 00:49:37,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:37,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180898743] [2022-11-26 00:49:37,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:37,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:37,893 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:49:37,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021785311] [2022-11-26 00:49:37,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:37,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:37,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:49:37,895 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:49:37,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:49:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:38,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 2345 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:49:38,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:49:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-26 00:49:38,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:49:38,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:38,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180898743] [2022-11-26 00:49:38,508 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:49:38,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021785311] [2022-11-26 00:49:38,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021785311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:38,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:49:38,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:49:38,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804671166] [2022-11-26 00:49:38,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:38,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:49:38,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:38,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:49:38,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:49:38,510 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 4 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-26 00:49:39,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:49:39,263 INFO L93 Difference]: Finished difference Result 502 states and 725 transitions. [2022-11-26 00:49:39,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:49:39,264 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 4 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 96 [2022-11-26 00:49:39,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:49:39,266 INFO L225 Difference]: With dead ends: 502 [2022-11-26 00:49:39,267 INFO L226 Difference]: Without dead ends: 270 [2022-11-26 00:49:39,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:49:39,269 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 43 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1384 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:49:39,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 1384 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 00:49:39,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-11-26 00:49:39,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 262. [2022-11-26 00:49:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 142 states have internal predecessors, (166), 97 states have call successors, (97), 23 states have call predecessors, (97), 24 states have return successors, (110), 96 states have call predecessors, (110), 95 states have call successors, (110) [2022-11-26 00:49:39,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2022-11-26 00:49:39,291 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 96 [2022-11-26 00:49:39,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:49:39,292 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2022-11-26 00:49:39,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 4 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-26 00:49:39,292 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2022-11-26 00:49:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-26 00:49:39,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:39,294 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:49:39,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:49:39,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:39,505 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:49:39,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:39,505 INFO L85 PathProgramCache]: Analyzing trace with hash -805280807, now seen corresponding path program 1 times [2022-11-26 00:49:39,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:39,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229098353] [2022-11-26 00:49:39,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:39,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:39,600 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:49:39,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752939117] [2022-11-26 00:49:39,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:39,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:39,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:49:39,602 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:49:39,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:49:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:40,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 2399 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:49:40,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:49:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-26 00:49:40,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:49:40,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:40,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229098353] [2022-11-26 00:49:40,314 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:49:40,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752939117] [2022-11-26 00:49:40,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752939117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:40,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:49:40,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:49:40,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653870194] [2022-11-26 00:49:40,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:40,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:49:40,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:40,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:49:40,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:49:40,317 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 5 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2022-11-26 00:49:41,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:49:41,472 INFO L93 Difference]: Finished difference Result 504 states and 726 transitions. [2022-11-26 00:49:41,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:49:41,473 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 5 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 104 [2022-11-26 00:49:41,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:49:41,476 INFO L225 Difference]: With dead ends: 504 [2022-11-26 00:49:41,476 INFO L226 Difference]: Without dead ends: 272 [2022-11-26 00:49:41,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:49:41,478 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 66 mSDsluCounter, 1582 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:49:41,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1865 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 00:49:41,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-11-26 00:49:41,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 262. [2022-11-26 00:49:41,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 142 states have internal predecessors, (166), 97 states have call successors, (97), 23 states have call predecessors, (97), 24 states have return successors, (110), 96 states have call predecessors, (110), 95 states have call successors, (110) [2022-11-26 00:49:41,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2022-11-26 00:49:41,521 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 104 [2022-11-26 00:49:41,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:49:41,521 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2022-11-26 00:49:41,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 5 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2022-11-26 00:49:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2022-11-26 00:49:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-26 00:49:41,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:41,524 INFO L195 NwaCegarLoop]: trace histogram [7, 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] [2022-11-26 00:49:41,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:49:41,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:41,737 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:49:41,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:41,738 INFO L85 PathProgramCache]: Analyzing trace with hash -921198593, now seen corresponding path program 1 times [2022-11-26 00:49:41,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:41,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131209243] [2022-11-26 00:49:41,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:41,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:41,856 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:49:41,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1992027123] [2022-11-26 00:49:41,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:41,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:41,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:49:41,858 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:49:41,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:49:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:42,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 2531 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:49:42,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:49:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-26 00:49:42,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:49:42,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:42,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131209243] [2022-11-26 00:49:42,635 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:49:42,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992027123] [2022-11-26 00:49:42,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992027123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:42,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:49:42,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-26 00:49:42,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023930545] [2022-11-26 00:49:42,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:42,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 00:49:42,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:42,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 00:49:42,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:49:42,639 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-26 00:49:43,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:49:43,359 INFO L93 Difference]: Finished difference Result 471 states and 678 transitions. [2022-11-26 00:49:43,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:49:43,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 113 [2022-11-26 00:49:43,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:49:43,362 INFO L225 Difference]: With dead ends: 471 [2022-11-26 00:49:43,362 INFO L226 Difference]: Without dead ends: 264 [2022-11-26 00:49:43,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:49:43,365 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 62 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 1620 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:49:43,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 1620 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 00:49:43,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-11-26 00:49:43,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2022-11-26 00:49:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 140 states have (on average 1.1928571428571428) internal successors, (167), 144 states have internal predecessors, (167), 97 states have call successors, (97), 23 states have call predecessors, (97), 25 states have return successors, (112), 96 states have call predecessors, (112), 95 states have call successors, (112) [2022-11-26 00:49:43,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 376 transitions. [2022-11-26 00:49:43,382 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 376 transitions. Word has length 113 [2022-11-26 00:49:43,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:49:43,383 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 376 transitions. [2022-11-26 00:49:43,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-26 00:49:43,383 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 376 transitions. [2022-11-26 00:49:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-26 00:49:43,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:43,385 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:49:43,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:49:43,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:43,602 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:49:43,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:43,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1462310819, now seen corresponding path program 1 times [2022-11-26 00:49:43,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:43,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691284843] [2022-11-26 00:49:43,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:43,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:43,685 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:49:43,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [516797086] [2022-11-26 00:49:43,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:43,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:43,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:49:43,687 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:49:43,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:49:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:44,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 2631 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:49:44,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:49:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-26 00:49:44,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:49:44,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:44,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691284843] [2022-11-26 00:49:44,530 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:49:44,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516797086] [2022-11-26 00:49:44,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516797086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:44,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:49:44,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-26 00:49:44,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044391331] [2022-11-26 00:49:44,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:44,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-26 00:49:44,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:44,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-26 00:49:44,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:49:44,533 INFO L87 Difference]: Start difference. First operand 264 states and 376 transitions. Second operand has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 5 states have call successors, (20) [2022-11-26 00:49:45,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:49:45,689 INFO L93 Difference]: Finished difference Result 481 states and 692 transitions. [2022-11-26 00:49:45,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:49:45,690 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 5 states have call successors, (20) Word has length 129 [2022-11-26 00:49:45,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:49:45,692 INFO L225 Difference]: With dead ends: 481 [2022-11-26 00:49:45,692 INFO L226 Difference]: Without dead ends: 272 [2022-11-26 00:49:45,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:49:45,694 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 81 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 2075 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:49:45,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 2075 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 00:49:45,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-11-26 00:49:45,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 270. [2022-11-26 00:49:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 145 states have (on average 1.193103448275862) internal successors, (173), 148 states have internal predecessors, (173), 98 states have call successors, (98), 23 states have call predecessors, (98), 25 states have return successors, (113), 98 states have call predecessors, (113), 96 states have call successors, (113) [2022-11-26 00:49:45,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 384 transitions. [2022-11-26 00:49:45,712 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 384 transitions. Word has length 129 [2022-11-26 00:49:45,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:49:45,713 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 384 transitions. [2022-11-26 00:49:45,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 5 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (20), 4 states have call predecessors, (20), 5 states have call successors, (20) [2022-11-26 00:49:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 384 transitions. [2022-11-26 00:49:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-26 00:49:45,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:45,716 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:49:45,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:49:45,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-26 00:49:45,926 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:49:45,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:45,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1271578795, now seen corresponding path program 1 times [2022-11-26 00:49:45,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:45,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748312990] [2022-11-26 00:49:45,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:45,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:46,030 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:49:46,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1726933252] [2022-11-26 00:49:46,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:46,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:46,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:49:46,032 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:49:46,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 00:49:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:46,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 2895 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:49:46,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:49:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-26 00:49:46,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:49:46,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:46,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748312990] [2022-11-26 00:49:46,914 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:49:46,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726933252] [2022-11-26 00:49:46,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726933252] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:46,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:49:46,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-26 00:49:46,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779392779] [2022-11-26 00:49:46,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:46,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:49:46,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:46,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:49:46,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:49:46,917 INFO L87 Difference]: Start difference. First operand 270 states and 384 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-26 00:49:47,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:49:47,804 INFO L93 Difference]: Finished difference Result 493 states and 708 transitions. [2022-11-26 00:49:47,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:49:47,806 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) Word has length 147 [2022-11-26 00:49:47,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:49:47,808 INFO L225 Difference]: With dead ends: 493 [2022-11-26 00:49:47,808 INFO L226 Difference]: Without dead ends: 278 [2022-11-26 00:49:47,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:49:47,810 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 73 mSDsluCounter, 1581 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1871 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:49:47,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1871 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:49:47,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2022-11-26 00:49:47,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 270. [2022-11-26 00:49:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 145 states have (on average 1.193103448275862) internal successors, (173), 148 states have internal predecessors, (173), 98 states have call successors, (98), 23 states have call predecessors, (98), 25 states have return successors, (113), 98 states have call predecessors, (113), 96 states have call successors, (113) [2022-11-26 00:49:47,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 384 transitions. [2022-11-26 00:49:47,828 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 384 transitions. Word has length 147 [2022-11-26 00:49:47,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:49:47,828 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 384 transitions. [2022-11-26 00:49:47,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-26 00:49:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 384 transitions. [2022-11-26 00:49:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-26 00:49:47,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:47,831 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:49:47,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-26 00:49:48,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-26 00:49:48,043 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:49:48,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:48,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1967051755, now seen corresponding path program 1 times [2022-11-26 00:49:48,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:48,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136043730] [2022-11-26 00:49:48,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:48,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:48,158 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:49:48,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1910122926] [2022-11-26 00:49:48,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:48,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:48,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:49:48,160 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:49:48,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-26 00:49:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:48,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 3003 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-26 00:49:48,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:49:49,130 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-26 00:49:49,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:49:49,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:49,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136043730] [2022-11-26 00:49:49,131 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:49:49,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910122926] [2022-11-26 00:49:49,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910122926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:49,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:49:49,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:49:49,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383046984] [2022-11-26 00:49:49,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:49,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:49:49,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:49,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:49:49,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:49:49,134 INFO L87 Difference]: Start difference. First operand 270 states and 384 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 6 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 6 states have call successors, (24) [2022-11-26 00:49:50,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:49:50,707 INFO L93 Difference]: Finished difference Result 487 states and 698 transitions. [2022-11-26 00:49:50,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:49:50,708 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 6 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 6 states have call successors, (24) Word has length 163 [2022-11-26 00:49:50,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:49:50,711 INFO L225 Difference]: With dead ends: 487 [2022-11-26 00:49:50,711 INFO L226 Difference]: Without dead ends: 272 [2022-11-26 00:49:50,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:49:50,713 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 96 mSDsluCounter, 2033 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 2312 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:49:50,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 2312 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:49:50,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2022-11-26 00:49:50,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 262. [2022-11-26 00:49:50,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 142 states have internal predecessors, (166), 97 states have call successors, (97), 23 states have call predecessors, (97), 24 states have return successors, (108), 96 states have call predecessors, (108), 95 states have call successors, (108) [2022-11-26 00:49:50,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 371 transitions. [2022-11-26 00:49:50,730 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 371 transitions. Word has length 163 [2022-11-26 00:49:50,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:49:50,730 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 371 transitions. [2022-11-26 00:49:50,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 6 states have call successors, (26), 3 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 6 states have call successors, (24) [2022-11-26 00:49:50,731 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 371 transitions. [2022-11-26 00:49:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-26 00:49:50,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:49:50,733 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:49:50,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-26 00:49:50,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:50,946 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:49:50,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:49:50,946 INFO L85 PathProgramCache]: Analyzing trace with hash 349213963, now seen corresponding path program 1 times [2022-11-26 00:49:50,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:49:50,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949374276] [2022-11-26 00:49:50,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:50,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:49:51,059 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:49:51,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2074685134] [2022-11-26 00:49:51,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:49:51,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:49:51,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:49:51,061 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:49:51,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-26 00:49:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:49:52,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 3267 conjuncts, 99 conjunts are in the unsatisfiable core [2022-11-26 00:49:52,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:49:52,684 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-11-26 00:49:52,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:49:52,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:49:52,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949374276] [2022-11-26 00:49:52,685 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:49:52,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074685134] [2022-11-26 00:49:52,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074685134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:49:52,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:49:52,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-26 00:49:52,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110118214] [2022-11-26 00:49:52,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:49:52,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:49:52,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:49:52,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:49:52,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:49:52,687 INFO L87 Difference]: Start difference. First operand 262 states and 371 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 6 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-11-26 00:49:54,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:49:57,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:49:59,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:50:01,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:50:03,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:50:05,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:50:07,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:50:09,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:50:11,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:50:13,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:50:15,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:50:18,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:50:20,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:50:22,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-26 00:50:24,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:50:26,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:50:29,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:50:31,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:50:31,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:50:31,258 INFO L93 Difference]: Finished difference Result 681 states and 1000 transitions. [2022-11-26 00:50:31,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:50:31,258 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 6 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 181 [2022-11-26 00:50:31,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:50:31,260 INFO L225 Difference]: With dead ends: 681 [2022-11-26 00:50:31,260 INFO L226 Difference]: Without dead ends: 471 [2022-11-26 00:50:31,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 169 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:50:31,262 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 286 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 29 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 2321 SdHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:50:31,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 2321 Invalid, 904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 857 Invalid, 18 Unknown, 0 Unchecked, 38.2s Time] [2022-11-26 00:50:31,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2022-11-26 00:50:31,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 448. [2022-11-26 00:50:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 241 states have (on average 1.2033195020746887) internal successors, (290), 249 states have internal predecessors, (290), 162 states have call successors, (162), 40 states have call predecessors, (162), 43 states have return successors, (215), 158 states have call predecessors, (215), 159 states have call successors, (215) [2022-11-26 00:50:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 667 transitions. [2022-11-26 00:50:31,305 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 667 transitions. Word has length 181 [2022-11-26 00:50:31,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:50:31,305 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 667 transitions. [2022-11-26 00:50:31,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 6 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-11-26 00:50:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 667 transitions. [2022-11-26 00:50:31,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-26 00:50:31,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:50:31,309 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:50:31,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-26 00:50:31,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:50:31,524 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:50:31,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:50:31,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1686477109, now seen corresponding path program 1 times [2022-11-26 00:50:31,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:50:31,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525398590] [2022-11-26 00:50:31,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:50:31,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:50:31,632 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:50:31,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [82129411] [2022-11-26 00:50:31,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:50:31,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:50:31,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:50:31,634 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:50:31,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638ae610-5b44-4882-9123-67aef60e4e94/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-26 00:50:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:50:32,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 3294 conjuncts, 152 conjunts are in the unsatisfiable core [2022-11-26 00:50:32,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:50:32,987 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1297 Int) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_1298 Int)) (and (= (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_1297)) |c_#memory_$Pointer$.base|) (= (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_1298)) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-26 00:50:33,007 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1297 Int) (|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_1298 Int)) (and (= (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) 0 v_ArrVal_1298)) |c_#memory_$Pointer$.offset|) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) 0 v_ArrVal_1297))))) is different from true [2022-11-26 00:50:33,325 WARN L859 $PredicateComparison]: unable to prove that (exists ((|aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| Int) (v_ArrVal_1303 Int) (v_ArrVal_1302 Int)) (and (= (store |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_1303)) |c_#memory_$Pointer$.offset|) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base| (store (select |c_old(#memory_$Pointer$.base)| |aws_mul_size_checked_aws_mul_u64_checked_~r#1.base|) |c_aws_mul_size_checked_#in~r#1.offset| v_ArrVal_1302))))) is different from true [2022-11-26 00:50:36,464 INFO L321 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2022-11-26 00:50:36,465 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 1 case distinctions, treesize of input 35 treesize of output 18 [2022-11-26 00:50:36,483 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:50:36,483 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 1 case distinctions, treesize of input 35 treesize of output 29 [2022-11-26 00:50:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 5 not checked. [2022-11-26 00:50:36,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:50:42,947 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 11 treesize of output 5 [2022-11-26 00:50:43,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:50:43,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525398590] [2022-11-26 00:50:43,140 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:50:43,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82129411] [2022-11-26 00:50:43,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82129411] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:50:43,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1513865477] [2022-11-26 00:50:43,164 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2022-11-26 00:50:43,165 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:50:43,169 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:50:43,175 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:50:43,176 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:50:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:50:46,944 INFO L217 Elim1Store]: Index analysis took 459 ms [2022-11-26 00:51:17,573 WARN L233 SmtUtils]: Spent 30.56s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:51:17,577 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-11-26 00:51:17,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-11-26 00:51:20,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:51:20,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19307 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 987 treesize of output 1574 [2022-11-26 00:52:41,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:41,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:41,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-26 00:52:41,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:52:41,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:41,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-26 00:52:41,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:41,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-11-26 00:52:45,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:45,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:45,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:45,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:45,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:45,465 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-26 00:52:45,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-26 00:52:46,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:46,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:46,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:46,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:46,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:46,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:46,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:46,151 INFO L217 Elim1Store]: Index analysis took 128 ms [2022-11-26 00:52:46,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-26 00:52:46,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:46,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-26 00:52:47,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-26 00:52:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:47,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-26 00:52:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:55,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-26 00:52:55,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:55,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-26 00:52:56,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,245 INFO L217 Elim1Store]: Index analysis took 123 ms [2022-11-26 00:52:56,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-26 00:52:56,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:56,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-11-26 00:52:57,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:52:57,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-11-26 00:53:13,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-26 00:53:13,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-26 00:53:14,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-26 00:53:14,307 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 [2022-11-26 00:53:14,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-26 00:53:14,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-26 00:53:29,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-26 00:53:29,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-26 00:53:30,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-26 00:53:30,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-26 00:53:30,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-11-26 00:53:30,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-26 00:53:33,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-11-26 00:53:33,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2175 treesize of output 2154 [2022-11-26 00:53:34,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-11-26 00:53:35,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:53:53,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:53:53,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:53:53,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:53:53,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:53:53,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:53:53,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:53:53,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:53:53,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:53:53,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:53:53,352 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:53:53,352 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-26 00:53:53,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:53:53,420 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:53:53,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-26 00:53:53,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:53:53,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:53:53,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:53:53,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-26 00:53:53,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-26 00:53:53,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-26 00:53:53,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-26 00:53:56,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-11-26 00:53:56,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-11-26 00:53:56,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-11-26 00:54:15,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-11-26 00:54:15,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2143 treesize of output 2115 [2022-11-26 00:54:16,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2111 treesize of output 2087 [2022-11-26 00:55:21,001 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2895 for LOIs [2022-11-26 00:55:37,642 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2966 for LOIs [2022-11-26 00:57:13,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:57:13,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-26 00:57:13,429 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:57:13,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:57:37,081 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-11-26 00:57:37,085 INFO L197 IcfgInterpreter]: Interpreting procedure s_sift_up with input of size 93 for LOIs [2022-11-26 00:57:37,261 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 255 treesize of output 243 [2022-11-26 00:57:37,275 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 243 treesize of output 231 [2022-11-26 00:57:37,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 219 [2022-11-26 00:57:37,441 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 255 treesize of output 243 [2022-11-26 00:57:37,456 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 243 treesize of output 231 [2022-11-26 00:57:37,467 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 231 treesize of output 219 [2022-11-26 00:57:37,687 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 7 treesize of output 3 [2022-11-26 00:57:37,696 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 24 treesize of output 20 [2022-11-26 00:57:37,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-26 00:57:37,738 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 7 treesize of output 3 [2022-11-26 00:57:37,747 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 24 treesize of output 20 [2022-11-26 00:57:37,756 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 7 treesize of output 3 [2022-11-26 00:57:37,830 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-26 00:57:37,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-26 00:57:37,871 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-26 00:57:37,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-26 00:57:37,925 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 7 treesize of output 3 [2022-11-26 00:57:37,938 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 22 treesize of output 18 [2022-11-26 00:57:37,948 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 7 treesize of output 3 [2022-11-26 00:57:38,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-11-26 00:57:38,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-11-26 00:57:38,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2022-11-26 00:57:38,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-26 00:57:38,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-26 00:57:38,100 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 24 treesize of output 18 [2022-11-26 00:57:38,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-11-26 00:57:38,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 11 treesize of output 7 [2022-11-26 00:57:38,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2022-11-26 00:57:38,270 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 427 treesize of output 415 [2022-11-26 00:57:38,288 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 415 treesize of output 403 [2022-11-26 00:57:38,304 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 403 treesize of output 391 [2022-11-26 00:57:38,528 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 7 treesize of output 3 [2022-11-26 00:57:38,536 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 7 treesize of output 3 [2022-11-26 00:57:38,550 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 22 treesize of output 18 [2022-11-26 00:57:38,722 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 24 treesize of output 20 [2022-11-26 00:57:38,734 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 7 treesize of output 3 [2022-11-26 00:57:38,745 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 7 treesize of output 3 [2022-11-26 00:57:38,795 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 255 treesize of output 243 [2022-11-26 00:57:38,807 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 243 treesize of output 231 [2022-11-26 00:57:38,829 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 231 treesize of output 219 [2022-11-26 00:57:39,019 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 113 for LOIs [2022-11-26 00:57:39,115 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-11-26 00:57:39,119 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 47 for LOIs [2022-11-26 00:57:39,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-26 00:57:39,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-26 00:57:39,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2022-11-26 00:57:39,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2022-11-26 00:57:40,107 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 81 for LOIs [2022-11-26 00:57:40,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:57:40,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-26 00:57:40,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:40,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:40,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:40,396 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:57:40,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-26 00:57:40,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:40,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:40,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:57:40,610 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-26 00:57:40,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-26 00:57:40,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:40,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-26 00:57:40,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:57:41,092 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 128 for LOIs [2022-11-26 00:57:41,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:57:41,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:57:41,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-26 00:57:41,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:57:41,820 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 114 for LOIs [2022-11-26 00:57:41,898 INFO L197 IcfgInterpreter]: Interpreting procedure aws_is_mem_zeroed with input of size 52 for LOIs [2022-11-26 00:57:41,910 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:59:49,378 WARN L233 SmtUtils]: Spent 2.09m on a formula simplification. DAG size of input: 2824 DAG size of output: 2436 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 01:03:37,235 WARN L233 SmtUtils]: Spent 3.75m on a formula simplification. DAG size of input: 2895 DAG size of output: 2451 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)