./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:44:07,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:44:07,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:44:07,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:44:07,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:44:07,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:44:07,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:44:07,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:44:07,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:44:07,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:44:07,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:44:07,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:44:07,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:44:07,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:44:07,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:44:07,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:44:07,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:44:07,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:44:07,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:44:07,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:44:07,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:44:07,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:44:07,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:44:07,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:44:07,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:44:07,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:44:07,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:44:07,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:44:07,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:44:07,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:44:07,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:44:07,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:44:07,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:44:07,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:44:07,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:44:07,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:44:07,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:44:07,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:44:07,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:44:07,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:44:07,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:44:07,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:44:07,965 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:44:07,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:44:07,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:44:07,967 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:44:07,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:44:07,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:44:07,968 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:44:07,968 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:44:07,969 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:44:07,969 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:44:07,970 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:44:07,970 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:44:07,971 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:44:07,971 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:44:07,971 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:44:07,971 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:44:07,972 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:44:07,972 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:44:07,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:44:07,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:44:07,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:44:07,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:44:07,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:44:07,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:44:07,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:44:07,975 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:44:07,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:44:07,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:44:07,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:44:07,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:44:07,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:44:07,977 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:44:07,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:44:07,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:44:07,977 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:44:07,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:44:07,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:44:07,978 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:44:07,978 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_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3eb02e894c2acef7732d0e57c112cc2c197f8f03d7c13822f169fbed4dc5e5 [2022-11-22 01:44:08,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:44:08,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:44:08,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:44:08,391 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:44:08,391 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:44:08,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-11-22 01:44:11,855 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:44:12,590 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:44:12,591 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i [2022-11-22 01:44:12,641 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/data/9131d89c7/ff5756a06f4948b2b11b91188b95b48c/FLAG0f4c6cdaf [2022-11-22 01:44:12,691 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/data/9131d89c7/ff5756a06f4948b2b11b91188b95b48c [2022-11-22 01:44:12,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:44:12,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:44:12,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:44:12,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:44:12,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:44:12,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:44:12" (1/1) ... [2022-11-22 01:44:12,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e7ac93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:12, skipping insertion in model container [2022-11-22 01:44:12,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:44:12" (1/1) ... [2022-11-22 01:44:12,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:44:12,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:44:13,226 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_631f7f25-bc11-448d-822a-f222c296d200/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2022-11-22 01:44:13,245 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_631f7f25-bc11-448d-822a-f222c296d200/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2022-11-22 01:44:14,231 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,232 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,233 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,234 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,236 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,253 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,254 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,256 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,257 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,260 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,261 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,262 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,267 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:14,781 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 01:44:14,783 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 01:44:14,784 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 01:44:14,786 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 01:44:14,788 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 01:44:14,789 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 01:44:14,789 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 01:44:14,790 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 01:44:14,791 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 01:44:14,792 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 01:44:15,032 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 01:44:15,061 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,062 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,068 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,077 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,153 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,153 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,154 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,154 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,155 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,155 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,156 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,157 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,157 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,157 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,158 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,158 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,158 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,162 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,162 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,163 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,163 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,177 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,183 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,192 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,195 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,196 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:44:15,279 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:44:15,306 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_631f7f25-bc11-448d-822a-f222c296d200/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4504,4517] [2022-11-22 01:44:15,307 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_631f7f25-bc11-448d-822a-f222c296d200/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_down_harness.i[4564,4577] [2022-11-22 01:44:15,376 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,376 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,377 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,377 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,378 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,397 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,397 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,398 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,402 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,404 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,407 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,408 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,408 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,469 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 01:44:15,508 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 01:44:15,508 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 01:44:15,509 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 01:44:15,510 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 01:44:15,511 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 01:44:15,511 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 01:44:15,511 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 01:44:15,512 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 01:44:15,512 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 01:44:15,547 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 01:44:15,561 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,562 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,563 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,568 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,596 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,597 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,598 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,598 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,599 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,599 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,600 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,601 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,601 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,601 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,602 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,602 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,603 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,604 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,604 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,604 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,604 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,606 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,607 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,612 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,613 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,613 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 01:44:15,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:44:15,950 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:44:15,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15 WrapperNode [2022-11-22 01:44:15,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:44:15,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:44:15,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:44:15,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:44:15,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15" (1/1) ... [2022-11-22 01:44:16,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15" (1/1) ... [2022-11-22 01:44:16,163 INFO L138 Inliner]: procedures = 697, calls = 1904, calls flagged for inlining = 59, calls inlined = 14, statements flattened = 839 [2022-11-22 01:44:16,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:44:16,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:44:16,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:44:16,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:44:16,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15" (1/1) ... [2022-11-22 01:44:16,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15" (1/1) ... [2022-11-22 01:44:16,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15" (1/1) ... [2022-11-22 01:44:16,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15" (1/1) ... [2022-11-22 01:44:16,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15" (1/1) ... [2022-11-22 01:44:16,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15" (1/1) ... [2022-11-22 01:44:16,326 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15" (1/1) ... [2022-11-22 01:44:16,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15" (1/1) ... [2022-11-22 01:44:16,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:44:16,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:44:16,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:44:16,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:44:16,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15" (1/1) ... [2022-11-22 01:44:16,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:44:16,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:16,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:44:16,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:44:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2022-11-22 01:44:16,479 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2022-11-22 01:44:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-11-22 01:44:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-11-22 01:44:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:44:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-22 01:44:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-22 01:44:16,481 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-22 01:44:16,482 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-22 01:44:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-22 01:44:16,485 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-22 01:44:16,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:44:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-22 01:44:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-22 01:44:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 01:44:16,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 01:44:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:44:16,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:44:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:44:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-22 01:44:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-22 01:44:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:44:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:44:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 01:44:16,487 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 01:44:16,487 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2022-11-22 01:44:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2022-11-22 01:44:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-22 01:44:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-22 01:44:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-22 01:44:16,488 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-22 01:44:16,488 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-11-22 01:44:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-11-22 01:44:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-22 01:44:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-22 01:44:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:44:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:44:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-22 01:44:16,489 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-22 01:44:16,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:44:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:44:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_down [2022-11-22 01:44:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_down [2022-11-22 01:44:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:44:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2022-11-22 01:44:16,490 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2022-11-22 01:44:16,490 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-22 01:44:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-22 01:44:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-22 01:44:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-22 01:44:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:44:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-22 01:44:16,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-22 01:44:16,491 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2022-11-22 01:44:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2022-11-22 01:44:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 01:44:16,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 01:44:16,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:44:16,912 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:44:16,939 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:44:18,625 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:44:18,947 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:44:18,948 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-22 01:44:18,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:44:18 BoogieIcfgContainer [2022-11-22 01:44:18,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:44:18,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:44:18,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:44:18,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:44:18,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:44:12" (1/3) ... [2022-11-22 01:44:18,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e976df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:44:18, skipping insertion in model container [2022-11-22 01:44:18,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:15" (2/3) ... [2022-11-22 01:44:18,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e976df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:44:18, skipping insertion in model container [2022-11-22 01:44:18,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:44:18" (3/3) ... [2022-11-22 01:44:18,967 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_down_harness.i [2022-11-22 01:44:18,990 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:44:18,990 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:44:19,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:44:19,065 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;@a7cffa7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:44:19,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:44:19,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 268 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 140 states have internal predecessors, (166), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2022-11-22 01:44:19,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-22 01:44:19,095 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:19,096 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:19,099 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:19,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:19,106 INFO L85 PathProgramCache]: Analyzing trace with hash 224299216, now seen corresponding path program 1 times [2022-11-22 01:44:19,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:19,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673492160] [2022-11-22 01:44:19,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:19,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:20,509 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-11-22 01:44:20,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:20,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673492160] [2022-11-22 01:44:20,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673492160] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:44:20,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794297267] [2022-11-22 01:44:20,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:20,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:20,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:20,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:44:20,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:44:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:21,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 2299 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:44:21,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-22 01:44:21,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:44:21,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794297267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:21,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:44:21,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-22 01:44:21,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516400672] [2022-11-22 01:44:21,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:21,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:44:21,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:21,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:44:21,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:44:21,523 INFO L87 Difference]: Start difference. First operand has 268 states, 139 states have (on average 1.1942446043165467) internal successors, (166), 140 states have internal predecessors, (166), 104 states have call successors, (104), 23 states have call predecessors, (104), 23 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-22 01:44:22,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:22,365 INFO L93 Difference]: Finished difference Result 496 states and 723 transitions. [2022-11-22 01:44:22,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:44:22,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 121 [2022-11-22 01:44:22,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:22,383 INFO L225 Difference]: With dead ends: 496 [2022-11-22 01:44:22,384 INFO L226 Difference]: Without dead ends: 268 [2022-11-22 01:44:22,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:44:22,394 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 33 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:22,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 1179 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-22 01:44:22,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-11-22 01:44:22,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2022-11-22 01:44:22,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 139 states have (on average 1.1726618705035972) internal successors, (163), 141 states have internal predecessors, (163), 104 states have call successors, (104), 23 states have call predecessors, (104), 24 states have return successors, (107), 103 states have call predecessors, (107), 103 states have call successors, (107) [2022-11-22 01:44:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 374 transitions. [2022-11-22 01:44:22,531 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 374 transitions. Word has length 121 [2022-11-22 01:44:22,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:22,532 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 374 transitions. [2022-11-22 01:44:22,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-22 01:44:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 374 transitions. [2022-11-22 01:44:22,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-22 01:44:22,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:22,537 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:22,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:44:22,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-22 01:44:22,757 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:22,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:22,757 INFO L85 PathProgramCache]: Analyzing trace with hash -725126990, now seen corresponding path program 1 times [2022-11-22 01:44:22,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:22,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154610765] [2022-11-22 01:44:22,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:22,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-22 01:44:23,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:23,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154610765] [2022-11-22 01:44:23,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154610765] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:44:23,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815625395] [2022-11-22 01:44:23,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:23,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:23,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:23,742 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:44:23,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:44:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:24,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 2349 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 01:44:24,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:24,576 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-22 01:44:24,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:44:24,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815625395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:24,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:44:24,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-11-22 01:44:24,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397688112] [2022-11-22 01:44:24,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:24,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-22 01:44:24,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:24,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-22 01:44:24,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:44:24,582 INFO L87 Difference]: Start difference. First operand 268 states and 374 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-22 01:44:25,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:25,586 INFO L93 Difference]: Finished difference Result 507 states and 722 transitions. [2022-11-22 01:44:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:44:25,587 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 129 [2022-11-22 01:44:25,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:25,591 INFO L225 Difference]: With dead ends: 507 [2022-11-22 01:44:25,591 INFO L226 Difference]: Without dead ends: 281 [2022-11-22 01:44:25,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-22 01:44:25,594 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 52 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1703 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:25,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1703 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-22 01:44:25,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2022-11-22 01:44:25,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 279. [2022-11-22 01:44:25,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 147 states have (on average 1.1768707482993197) internal successors, (173), 149 states have internal predecessors, (173), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-11-22 01:44:25,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 399 transitions. [2022-11-22 01:44:25,621 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 399 transitions. Word has length 129 [2022-11-22 01:44:25,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:25,622 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 399 transitions. [2022-11-22 01:44:25,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2022-11-22 01:44:25,623 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2022-11-22 01:44:25,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-22 01:44:25,626 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:25,626 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:25,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:44:25,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:25,851 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:25,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:25,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1832344581, now seen corresponding path program 1 times [2022-11-22 01:44:25,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:25,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144416447] [2022-11-22 01:44:25,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:25,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:25,958 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:44:25,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [616286738] [2022-11-22 01:44:25,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:25,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:25,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:25,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:44:25,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:44:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:26,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 2481 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 01:44:26,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-22 01:44:26,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:44:26,800 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:26,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144416447] [2022-11-22 01:44:26,800 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:44:26,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616286738] [2022-11-22 01:44:26,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616286738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:26,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:26,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 01:44:26,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287365983] [2022-11-22 01:44:26,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:26,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:44:26,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:26,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:44:26,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:44:26,804 INFO L87 Difference]: Start difference. First operand 279 states and 399 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-22 01:44:27,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:27,689 INFO L93 Difference]: Finished difference Result 524 states and 759 transitions. [2022-11-22 01:44:27,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:44:27,690 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 138 [2022-11-22 01:44:27,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:27,694 INFO L225 Difference]: With dead ends: 524 [2022-11-22 01:44:27,694 INFO L226 Difference]: Without dead ends: 287 [2022-11-22 01:44:27,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:44:27,697 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 44 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:27,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 1456 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-22 01:44:27,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2022-11-22 01:44:27,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2022-11-22 01:44:27,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 147 states have (on average 1.1768707482993197) internal successors, (173), 149 states have internal predecessors, (173), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-11-22 01:44:27,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 399 transitions. [2022-11-22 01:44:27,723 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 399 transitions. Word has length 138 [2022-11-22 01:44:27,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:27,724 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 399 transitions. [2022-11-22 01:44:27,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 4 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2022-11-22 01:44:27,724 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2022-11-22 01:44:27,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-22 01:44:27,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:27,727 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:27,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 01:44:27,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-22 01:44:27,940 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:27,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:27,940 INFO L85 PathProgramCache]: Analyzing trace with hash -714253592, now seen corresponding path program 1 times [2022-11-22 01:44:27,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:27,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974946678] [2022-11-22 01:44:27,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:27,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:28,044 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:44:28,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1447968360] [2022-11-22 01:44:28,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:28,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:28,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:28,046 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:44:28,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:44:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:28,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 2535 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:44:28,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-11-22 01:44:28,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:44:28,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:28,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974946678] [2022-11-22 01:44:28,984 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:44:28,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447968360] [2022-11-22 01:44:28,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447968360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:28,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:28,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 01:44:28,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468447932] [2022-11-22 01:44:28,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:28,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 01:44:28,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:28,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 01:44:28,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:44:28,993 INFO L87 Difference]: Start difference. First operand 279 states and 399 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2022-11-22 01:44:30,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:30,265 INFO L93 Difference]: Finished difference Result 526 states and 760 transitions. [2022-11-22 01:44:30,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:44:30,266 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) Word has length 146 [2022-11-22 01:44:30,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:30,269 INFO L225 Difference]: With dead ends: 526 [2022-11-22 01:44:30,270 INFO L226 Difference]: Without dead ends: 289 [2022-11-22 01:44:30,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-22 01:44:30,272 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 67 mSDsluCounter, 1670 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1969 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:30,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1969 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-22 01:44:30,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-11-22 01:44:30,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 279. [2022-11-22 01:44:30,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 147 states have (on average 1.1768707482993197) internal successors, (173), 149 states have internal predecessors, (173), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (120), 106 states have call predecessors, (120), 105 states have call successors, (120) [2022-11-22 01:44:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 399 transitions. [2022-11-22 01:44:30,298 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 399 transitions. Word has length 146 [2022-11-22 01:44:30,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:30,299 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 399 transitions. [2022-11-22 01:44:30,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 5 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 5 states have call predecessors, (28), 5 states have call successors, (28) [2022-11-22 01:44:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 399 transitions. [2022-11-22 01:44:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-22 01:44:30,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:30,303 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:30,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:44:30,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:30,518 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:30,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:30,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1735404133, now seen corresponding path program 2 times [2022-11-22 01:44:30,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:30,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745516655] [2022-11-22 01:44:30,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:30,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:30,643 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:44:30,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433956054] [2022-11-22 01:44:30,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:44:30,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:30,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:30,646 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:44:30,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:44:31,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-22 01:44:31,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:44:31,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1894 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:44:31,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-11-22 01:44:31,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:44:31,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:31,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745516655] [2022-11-22 01:44:31,427 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:44:31,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433956054] [2022-11-22 01:44:31,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433956054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:31,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:31,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:44:31,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064949045] [2022-11-22 01:44:31,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:31,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:44:31,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:31,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:44:31,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:44:31,431 INFO L87 Difference]: Start difference. First operand 279 states and 399 transitions. Second operand has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 01:44:32,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:32,214 INFO L93 Difference]: Finished difference Result 483 states and 705 transitions. [2022-11-22 01:44:32,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:44:32,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 155 [2022-11-22 01:44:32,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:32,219 INFO L225 Difference]: With dead ends: 483 [2022-11-22 01:44:32,219 INFO L226 Difference]: Without dead ends: 279 [2022-11-22 01:44:32,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:44:32,222 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 0 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:32,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1189 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-22 01:44:32,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-11-22 01:44:32,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2022-11-22 01:44:32,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 147 states have (on average 1.1768707482993197) internal successors, (173), 149 states have internal predecessors, (173), 106 states have call successors, (106), 23 states have call predecessors, (106), 25 states have return successors, (119), 106 states have call predecessors, (119), 105 states have call successors, (119) [2022-11-22 01:44:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 398 transitions. [2022-11-22 01:44:32,270 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 398 transitions. Word has length 155 [2022-11-22 01:44:32,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:32,271 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 398 transitions. [2022-11-22 01:44:32,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 01:44:32,272 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 398 transitions. [2022-11-22 01:44:32,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-22 01:44:32,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:32,275 INFO L195 NwaCegarLoop]: trace histogram [9, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:32,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:44:32,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:32,480 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:44:32,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:32,480 INFO L85 PathProgramCache]: Analyzing trace with hash -54764672, now seen corresponding path program 3 times [2022-11-22 01:44:32,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:32,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528360369] [2022-11-22 01:44:32,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:32,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:32,598 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 01:44:32,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1554821225] [2022-11-22 01:44:32,599 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 01:44:32,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:44:32,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:32,601 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:44:32,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_631f7f25-bc11-448d-822a-f222c296d200/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 01:44:33,026 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 01:44:33,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:44:33,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 37 conjunts are in the unsatisfiable core [2022-11-22 01:44:33,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:44:33,229 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 74 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-11-22 01:44:33,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:44:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-11-22 01:44:33,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:33,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528360369] [2022-11-22 01:44:33,730 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 01:44:33,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554821225] [2022-11-22 01:44:33,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554821225] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:44:33,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1946533375] [2022-11-22 01:44:33,757 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2022-11-22 01:44:33,757 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:44:33,763 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:44:33,769 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:44:33,771 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:44:38,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:38,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:44:39,098 INFO L217 Elim1Store]: Index analysis took 541 ms [2022-11-22 01:44:59,598 WARN L233 SmtUtils]: Spent 20.41s on a formula simplification. DAG size of input: 1749 DAG size of output: 1163 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:44:59,606 INFO L321 Elim1Store]: treesize reduction 1948, result has 47.2 percent of original size [2022-11-22 01:44:59,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19113 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 194 case distinctions, treesize of input 987 treesize of output 2342 [2022-11-22 01:45:03,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:03,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:45:04,051 INFO L217 Elim1Store]: Index analysis took 765 ms [2022-11-22 01:45:37,570 WARN L233 SmtUtils]: Spent 33.45s on a formula simplification. DAG size of input: 2139 DAG size of output: 1167 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:45:37,573 INFO L321 Elim1Store]: treesize reduction 3492, result has 33.3 percent of original size [2022-11-22 01:45:37,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19309 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 388 case distinctions, treesize of input 997 treesize of output 2361 [2022-11-22 01:50:22,664 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 [2022-11-22 01:50:22,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:22,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:22,672 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 [2022-11-22 01:50:22,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:22,682 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 [2022-11-22 01:50:22,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:22,691 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 [2022-11-22 01:50:26,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:26,938 INFO L217 Elim1Store]: Index analysis took 136 ms [2022-11-22 01:50:26,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 714 treesize of output 362 [2022-11-22 01:50:27,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:27,555 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-22 01:50:27,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19306 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 1 case distinctions, treesize of input 986 treesize of output 596 [2022-11-22 01:50:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:28,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:28,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:28,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:28,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:28,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:28,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:28,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:28,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:28,271 INFO L217 Elim1Store]: Index analysis took 132 ms [2022-11-22 01:50:28,309 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 198 select indices, 198 select index equivalence classes, 17061 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 1779 treesize of output 595 [2022-11-22 01:50:28,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:28,810 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 [2022-11-22 01:50:29,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:29,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:29,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:29,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:29,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:29,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:29,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:29,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:29,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:29,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:29,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:29,519 INFO L217 Elim1Store]: Index analysis took 131 ms [2022-11-22 01:50:29,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 198 select indices, 198 select index equivalence classes, 17061 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 1779 treesize of output 595 [2022-11-22 01:50:38,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,869 INFO L217 Elim1Store]: Index analysis took 116 ms [2022-11-22 01:50:38,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 01:50:38,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:38,990 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-11-22 01:50:38,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 198 select indices, 198 select index equivalence classes, 17068 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 25 case distinctions, treesize of input 1779 treesize of output 599 [2022-11-22 01:50:39,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:39,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:39,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:39,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:39,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:39,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:39,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:39,750 INFO L217 Elim1Store]: Index analysis took 130 ms [2022-11-22 01:50:39,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 198 select indices, 198 select index equivalence classes, 17061 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 1779 treesize of output 595 [2022-11-22 01:50:40,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:40,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:40,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19504 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-22 01:50:40,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:40,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:40,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19308 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-22 01:50:41,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:50:41,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 714 treesize of output 362 [2022-11-22 01:50:59,519 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 [2022-11-22 01:50:59,603 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 [2022-11-22 01:50:59,661 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 [2022-11-22 01:51:00,027 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 [2022-11-22 01:51:00,106 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 [2022-11-22 01:51:00,160 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 [2022-11-22 01:51:17,100 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 [2022-11-22 01:51:17,154 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 [2022-11-22 01:51:17,232 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 [2022-11-22 01:51:17,553 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 [2022-11-22 01:51:17,602 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 [2022-11-22 01:51:17,671 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 [2022-11-22 01:51:20,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2375 treesize of output 2365 [2022-11-22 01:51:20,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2379 treesize of output 2358 [2022-11-22 01:51:21,099 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2375 treesize of output 2365 [2022-11-22 01:51:22,261 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 [2022-11-22 01:51:37,234 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 [2022-11-22 01:51:37,241 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 [2022-11-22 01:51:37,268 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 [2022-11-22 01:51:37,275 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 [2022-11-22 01:51:37,309 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 [2022-11-22 01:51:37,316 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 [2022-11-22 01:51:37,328 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 [2022-11-22 01:51:37,347 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 [2022-11-22 01:51:37,392 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 [2022-11-22 01:51:37,399 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 [2022-11-22 01:51:37,434 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:51:37,435 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 [2022-11-22 01:51:37,500 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:51:37,501 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 [2022-11-22 01:51:37,514 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 [2022-11-22 01:51:37,525 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 [2022-11-22 01:51:37,662 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 [2022-11-22 01:51:37,678 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 [2022-11-22 01:51:37,682 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 [2022-11-22 01:51:37,695 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 [2022-11-22 01:51:37,699 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 [2022-11-22 01:51:39,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2371 treesize of output 2343 [2022-11-22 01:51:39,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2339 treesize of output 2315 [2022-11-22 01:51:39,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2323 treesize of output 2295 [2022-11-22 01:51:58,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2371 treesize of output 2343 [2022-11-22 01:51:58,561 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2339 treesize of output 2315 [2022-11-22 01:51:58,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2323 treesize of output 2295 [2022-11-22 01:56:28,983 INFO L197 IcfgInterpreter]: Interpreting procedure s_sift_down with input of size 708 for LOIs [2022-11-22 01:56:37,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1785 treesize of output 1773 [2022-11-22 01:56:37,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1773 treesize of output 1761 [2022-11-22 01:56:37,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1761 treesize of output 1749 [2022-11-22 01:56:42,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1785 treesize of output 1773 [2022-11-22 01:56:42,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1773 treesize of output 1761 [2022-11-22 01:56:42,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1761 treesize of output 1749 [2022-11-22 01:56:50,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1785 treesize of output 1773 [2022-11-22 01:56:50,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1773 treesize of output 1761 [2022-11-22 01:56:50,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1761 treesize of output 1749 [2022-11-22 01:56:56,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1785 treesize of output 1773 [2022-11-22 01:56:56,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1773 treesize of output 1761 [2022-11-22 01:56:56,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1761 treesize of output 1749 [2022-11-22 01:57:04,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1841 treesize of output 1829 [2022-11-22 01:57:05,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1829 treesize of output 1817 [2022-11-22 01:57:05,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1817 treesize of output 1805 [2022-11-22 01:57:08,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1785 treesize of output 1773 [2022-11-22 01:57:08,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1773 treesize of output 1761 [2022-11-22 01:57:09,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1761 treesize of output 1749 [2022-11-22 01:57:15,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1785 treesize of output 1773 [2022-11-22 01:57:15,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1773 treesize of output 1761 [2022-11-22 01:57:15,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1761 treesize of output 1749 [2022-11-22 01:57:20,803 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 712 for LOIs [2022-11-22 01:57:47,187 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 [2022-11-22 01:57:47,215 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 [2022-11-22 01:57:58,133 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 47 for LOIs [2022-11-22 01:57:58,143 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_size_t with input of size 43 for LOIs [2022-11-22 01:57:58,148 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2941 for LOIs [2022-11-22 01:58:12,595 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 47 for LOIs [2022-11-22 01:58:12,652 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 [2022-11-22 01:58:12,658 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 [2022-11-22 01:58:12,686 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 [2022-11-22 01:58:12,693 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 [2022-11-22 01:58:13,406 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 50 for LOIs [2022-11-22 01:58:13,435 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 [2022-11-22 01:58:13,449 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 [2022-11-22 01:58:13,518 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 [2022-11-22 01:58:13,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:13,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:13,535 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:58:13,535 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 [2022-11-22 01:58:13,550 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 [2022-11-22 01:58:13,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:13,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:13,607 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 01:58:13,607 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 [2022-11-22 01:58:13,617 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 [2022-11-22 01:58:13,628 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 [2022-11-22 01:58:13,812 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-22 01:58:13,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 191 [2022-11-22 01:58:14,640 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 98 for LOIs [2022-11-22 01:58:14,908 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 84 for LOIs [2022-11-22 01:58:14,930 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 80 for LOIs [2022-11-22 01:58:15,466 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 [2022-11-22 01:58:15,480 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 222 treesize of output 215 [2022-11-22 01:58:15,510 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 230 treesize of output 223 [2022-11-22 01:58:15,525 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 242 treesize of output 221 [2022-11-22 01:58:15,716 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 134 for LOIs [2022-11-22 01:58:15,756 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-11-22 01:58:15,765 INFO L180 IcfgInterpreter]: Interpretation finished